AudioCodes Mediant 800B Manual de usuario

User’s Manual

AudioCodes Mediant™ Family of Media Gateways & Session Border Controllers

Mediant 800B

Gateway & E-SBC

Version 7.2

Version 7.2 3 Mediant 800B Gateway & E-SBC

User's Manual Contents

Table of Contents

1Introduction .......................................................................................................25

1.1 Product Overview...................................................................................................25

1.2 Typographical Conventions....................................................................................26

1.3 Getting Familiar with Configuration Concepts and Terminology............................26

1.3.1 SBC Application.......................................................................................................27

1.3.2 Gateway Application................................................................................................31

Getting Started with Initial Connectivity................................................................33

2Introduction .......................................................................................................35

3Default OAMP IP Address.................................................................................37

4Configuring VoIP LAN Interface for OAMP .....................................................39

4.1 Web Interface.........................................................................................................39

4.2 CLI..........................................................................................................................41

Management Tools..................................................................................................43

5Introduction .......................................................................................................45

6Web-Based Management..................................................................................47

6.1 Getting Acquainted with the Web Interface............................................................47

6.1.1 Computer Requirements..........................................................................................47

6.1.2 Accessing the Web Interface...................................................................................48

6.1.3 Areas of the GUI......................................................................................................49

6.1.4 Accessing Configuration Pages from Navigation Tree............................................51

6.1.5 Configuring Stand-alone Parameters......................................................................53

6.1.6 Configuring Table Parameters.................................................................................54

6.1.6.1 Adding Table Rows..................................................................................55

6.1.6.2 Modifying Table Rows..............................................................................56

6.1.6.3 Deleting Table Rows................................................................................57

6.1.6.4 Invalid Value Indications ..........................................................................57

6.1.6.5 Viewing Table Rows.................................................................................59

6.1.6.6 Sorting Tables by Column........................................................................59

6.1.6.7 Changing Index Position of Table Rows..................................................60

6.1.6.8 Searching Table Entries...........................................................................61

6.1.7 Searching for Configuration Parameters.................................................................61

6.1.8 Creating a Login Welcome Message.......................................................................63

6.1.9 Getting Help.............................................................................................................63

6.1.10 Logging Off the Web Interface.................................................................................64

6.2 Configuring Management User Accounts ..............................................................65

6.3 Displaying Login Information upon Login...............................................................69

6.4 Viewing Logged-In User Information......................................................................70

6.5 Configuring Web Session and Access Settings.....................................................70

6.6 Changing Login Password for Administrator and Monitor Users ...........................71

6.7 Configuring Secured (HTTPS) Web.......................................................................72

6.8 Web Login Authentication using Smart Cards .......................................................73

6.9 Configuring Web and Telnet Access List...............................................................73

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7CLI-Based Management....................................................................................75

7.1 Getting Familiar with CLI........................................................................................75

7.1.1 Understanding Configuration Modes.......................................................................75

7.1.2 Using CLI Shortcuts.................................................................................................76

7.1.3 Common CLI Commands........................................................................................78

7.1.4 Configuring Tables through CLI...............................................................................79

7.1.5 Understanding CLI Error Messages........................................................................79

7.2 Enabling CLI...........................................................................................................80

7.2.1 Enabling Telnet for CLI............................................................................................80

7.2.2 Enabling SSH with RSA Public Key for CLI.............................................................81

7.3 Configuring Maximum Telnet/SSH Sessions.........................................................83

7.4 Establishing a CLI Session ....................................................................................83

7.5 Viewing Current CLI Sessions ...............................................................................84

7.6 Terminating a User's CLI Session..........................................................................84

7.7 Configuring Displayed Output Lines in CLI Terminal Window ...............................85

8SNMP-Based Management...............................................................................87

8.1 Enabling SNMP......................................................................................................87

8.2 Configuring SNMP Community Strings..................................................................87

8.3 Configuring SNMP Trap Destinations with IP Addresses ......................................89

8.4 Configuring an SNMP Trap Destination with FQDN ..............................................91

8.5 Configuring SNMP Trusted Managers...................................................................91

8.6 Enabling SNMP Traps for Web Activity..................................................................92

8.7 Configuring SNMP V3 Users..................................................................................92

9INI File-Based Management..............................................................................95

9.1 INI File Format .......................................................................................................95

9.1.1 Configuring Individual ini File Parameters...............................................................95

9.1.2 Configuring Table ini File Parameters.....................................................................95

9.1.3 General ini File Formatting Rules............................................................................97

9.2 Configuring an ini File ............................................................................................97

9.3 Loading an ini File to the Device............................................................................98

9.4 Secured Encoded ini File.......................................................................................98

9.5 Configuring Password Display in ini File................................................................98

9.6 INI Viewer and Editor Utility .................................................................................100

General System Settings ......................................................................................101

10 Configuring SSL/TLS Certificates..................................................................103

10.1 Configuring TLS Certificate Contexts...................................................................103

10.2 Assigning CSR-based Certificates to TLS Contexts............................................107

10.3 Viewing Certificate Information ............................................................................110

10.4 Assigning Externally Created Private Keys to TLS Contexts...............................111

10.5 Generating Private Keys for TLS Contexts..........................................................112

10.6 Creating Self-Signed Certificates for TLS Contexts.............................................113

10.7 Importing Certificates and Certificate Chain into Trusted Certificate Store..........114

10.8 Configuring Mutual TLS Authentication................................................................116

10.8.1 TLS for SIP Clients................................................................................................116

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10.8.2 TLS for Remote Device Management...................................................................116

10.9 Configuring TLS Server Certificate Expiry Check................................................117

11 Date and Time..................................................................................................119

11.1 Configuring Automatic Date and Time using SNTP.............................................119

11.2 Configuring Date and Time Manually...................................................................120

11.3 Configuring the Time Zone...................................................................................120

11.4 Configuring Daylight Saving Time........................................................................121

General VoIP Configuration..................................................................................123

12 Network............................................................................................................125

12.1 Building and Viewing your Network Topology......................................................125

12.2 Configuring Physical Ethernet Ports ....................................................................128

12.3 Configuring Ethernet Port Groups........................................................................130

12.4 Configuring Underlying Ethernet Devices............................................................132

12.5 Configuring IP Network Interfaces .......................................................................135

12.5.1 Assigning NTP Services to Application Types ......................................................139

12.5.2 IP Interfaces Table Configuration Guidelines........................................................139

12.5.3 Networking Configuration Examples .....................................................................140

12.5.3.1 One VoIP Interface for All Applications................................................. 140

12.5.3.2 VoIP Interface per Application Type...................................................... 140

12.5.3.3 VoIP Interfaces for Combined Application Types ................................. 141

12.5.3.4 VoIP Interfaces with Multiple Default Gateways................................... 142

12.6 Configuring Static IP Routes................................................................................142

12.6.1 Configuration Example of Static IP Routes ...........................................................144

12.6.2 Troubleshooting the Static Routes Table ..............................................................145

12.7 Network Address Translation Support .................................................................146

12.7.1 Device Located behind NAT..................................................................................146

12.7.1.1 Configuring a Static NAT IP Address for All Interfaces......................... 147

12.7.1.2 Configuring NAT Translation per IP Interface....................................... 148

12.7.2 Remote UA behind NAT........................................................................................149

12.7.2.1 SIP Signaling Messages....................................................................... 149

12.7.2.2 Media (RTP/RTCP/T.38)....................................................................... 150

12.8 Robust Receipt of Media Streams by Media Latching.........................................154

12.9 Configuring Quality of Service..............................................................................155

12.9.1 Configuring Class-of-Service QoS.........................................................................155

12.9.2 Configuring DiffServ-to-VLAN Priority Mapping.....................................................157

12.10Configuring ICMP Messages ...............................................................................158

12.11DNS......................................................................................................................159

12.11.1Configuring the Internal DNS Table.......................................................................159

12.11.2Configuring the Internal SRV Table.......................................................................160

12.12Open Solution Network (OSN) Server .................................................................162

12.12.1Configuring Native VLAN for OSN Server.............................................................162

12.12.2Disabling Internal Switch Port for OSN..................................................................163

12.13Multiple Routers Support......................................................................................163

13 Security............................................................................................................165

13.1 Configuring Firewall Settings ...............................................................................165

13.2 Configuring General Security Settings.................................................................169

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13.3 Intrusion Detection System..................................................................................170

13.3.1 Enabling IDS..........................................................................................................170

13.3.2 Configuring IDS Policies........................................................................................171

13.3.3 Assigning IDS Policies...........................................................................................175

13.3.4 Viewing IDS Alarms...............................................................................................177

14 Media................................................................................................................179

14.1 Configuring Voice Settings...................................................................................179

14.1.1 Configuring Voice Gain (Volume) Control .............................................................179

14.1.2 Silence Suppression (Compression).....................................................................179

14.1.3 Configuring Echo Cancellation..............................................................................180

14.2 Fax and Modem Capabilities................................................................................181

14.2.1 Fax/Modem Operating Modes...............................................................................182

14.2.2 Fax/Modem Transport Modes ...............................................................................182

14.2.2.1 T.38 Fax Relay Mode............................................................................ 183

14.2.2.2 G.711 Fax / Modem Transport Mode.................................................... 185

14.2.2.3 Fax Fallback.......................................................................................... 186

14.2.2.4 Fax/Modem Bypass Mode .................................................................... 186

14.2.2.5 Fax / Modem NSE Mode....................................................................... 188

14.2.2.6 Fax / Modem Transparent with Events Mode....................................... 188

14.2.2.7 Fax / Modem Transparent Mode........................................................... 189

14.2.2.8 RFC 2833 ANS Report upon Fax/Modem Detection............................ 190

14.2.3 V.34 Fax Support...................................................................................................190

14.2.3.1 Bypass Mechanism for V.34 Fax Transmission.................................... 191

14.2.3.2 Relay Mode for T.30 and V.34 Faxes................................................... 191

14.2.3.3 V.34 Fax Relay for SG3 Fax Machines................................................. 192

14.2.4 V.150.1 Modem Relay...........................................................................................193

14.2.5 Simultaneous Negotiation of Fax (T.38) and Modem (V.150.1) Relay..................194

14.2.6 V.152 Support........................................................................................................194

14.3 Configuring RTP/RTCP Settings..........................................................................195

14.3.1 Configuring the Dynamic Jitter Buffer....................................................................195

14.3.2 Comfort Noise Generation.....................................................................................196

14.3.3 Configuring DTMF Transport Types......................................................................197

14.3.4 Configuring RFC 2833 Payload.............................................................................199

14.3.5 Configuring RTP Base UDP Port...........................................................................199

14.4 Event Detection and Notification using X-Detect Header.....................................200

14.4.1 SIT Event Detection...............................................................................................202

14.4.2 Detecting Answering Machine Beeps....................................................................203

14.4.3 SIP Call Flow Examples of Event Detection and Notification................................203

14.5 Answering Machine Detection (AMD)..................................................................205

14.5.1 Configuring AMD ...................................................................................................208

14.5.2 Enabling IP-to-Tel Call Disconnection upon Detection of Answering Machine.....209

14.6 Automatic Gain Control (AGC).............................................................................209

14.7 Configuring Media (SRTP) Security.....................................................................210

14.7.1 SRTP using DTLS Protocol...................................................................................212

15 Services ...........................................................................................................215

15.1 DHCP Server Functionality..................................................................................215

15.1.1 Configuring the DHCP Server ...............................................................................215

15.1.2 Configuring the Vendor Class Identifier.................................................................220

15.1.3 Configuring Additional DHCP Options...................................................................221

15.1.4 Configuring Static IP Addresses for DHCP Clients...............................................223

15.1.5 Viewing and Deleting DHCP Clients......................................................................224

15.2 SIP-based Media Recording................................................................................225

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15.2.1 Enabling SIP-based Media Recording...................................................................228

15.2.2 Configuring SIP Recording Rules..........................................................................229

15.2.3 Configuring SIP User Part for SRS........................................................................230

15.2.4 Interworking SIP-based Media Recording with Third-Party Vendors....................231

15.2.4.1 Genesys................................................................................................ 231

15.2.4.2 Avaya UCID........................................................................................... 231

15.3 RADIUS-based Services......................................................................................232

15.3.1 Enabling RADIUS Services ...................................................................................232

15.3.2 Configuring RADIUS Servers................................................................................232

15.3.3 Configuring Interface for RADIUS Communication...............................................235

15.3.4 Configuring RADIUS Packet Retransmission........................................................235

15.3.5 Configuring the RADIUS Vendor ID ......................................................................235

15.3.6 RADIUS-based Management User Authentication ...............................................236

15.3.6.1 Setting Up a Third-Party RADIUS Server ............................................. 237

15.3.6.2 Configuring RADIUS-based User Authentication.................................. 238

15.3.6.3 Securing RADIUS Communication ....................................................... 239

15.3.6.4 RADIUS-based User Authentication in URL......................................... 239

15.3.7 RADIUS-based CDR Accounting ..........................................................................240

15.4 LDAP-based Management and SIP Services......................................................240

15.4.1 Enabling the LDAP Service...................................................................................241

15.4.2 Enabling LDAP-based Web/CLI User Login Authentication and Authorization.....242

15.4.3 Configuring LDAP Server Groups .........................................................................242

15.4.4 Configuring LDAP Servers.....................................................................................244

15.4.5 Configuring LDAP DNs (Base Paths) per LDAP Server........................................248

15.4.6 Configuring the LDAP Search Filter Attribute........................................................249

15.4.7 Configuring Access Level per Management Groups Attributes ............................250

15.4.8 Configuring the Device's LDAP Cache..................................................................252

15.4.8.1 Refreshing the LDAP Cache................................................................. 254

15.4.8.2 Clearing the LDAP Cache..................................................................... 256

15.4.9 Configuring Local Database for Management User Authentication......................257

15.4.10LDAP-based Login Authentication Example..........................................................257

15.4.11Enabling LDAP Searches for Numbers with Characters.......................................261

15.4.12AD-based Routing for Microsoft Skype for Business ............................................262

15.4.12.1Querying the AD and Routing Priority................................................... 262

15.4.12.2Configuring AD-Based Routing Rules................................................... 266

15.4.12.3Querying the AD for Calling Name........................................................ 268

15.5 Least Cost Routing...............................................................................................269

15.5.1 Overview................................................................................................................269

15.5.2 Configuring LCR....................................................................................................271

15.5.2.1 Configuring Cost Groups....................................................................... 271

15.5.2.2 Assigning Cost Groups to Routing Rules.............................................. 274

15.6 Remote Web Services .........................................................................................274

15.6.1 Configuring Remote Web Services .......................................................................274

15.6.1.1 Configuring Remote HTTP Hosts.......................................................... 278

15.6.2 Enabling Topology Status Services.......................................................................280

15.6.3 Centralized Third-Party Routing Server.................................................................280

15.7 HTTP-based Proxy Services................................................................................283

15.7.1 Enabling the HTTP Proxy Application ...................................................................284

15.7.2 Configuring HTTP Interfaces.................................................................................284

15.7.3 Configuring HTTP Proxy Services.........................................................................286

15.7.3.1 Configuring HTTP Proxy Hosts............................................................. 287

15.7.4 Configuring an HTTP-based EMS Service............................................................289

15.8 E9-1-1 Support for Microsoft Skype for Business................................................291

15.8.1 About E9-1-1 Services...........................................................................................291

15.8.2 Microsoft Skype for Business and E9-1-1 .............................................................292

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15.8.2.1 Gathering Location Information of Skype for Business Clients for 911

Calls 292

15.8.2.2 Adding ELINs to the Location Information Server................................. 294

15.8.2.3 Passing Location Information to the PSTN Emergency Provider......... 295

15.8.3 AudioCodes ELIN Device for Skype for Business E9-1-1 Calls to PSTN.............296

15.8.3.1 Detecting and Handling E9-1-1 Calls.................................................... 296

15.8.3.2 Pre-empting Existing Calls for E9-1-1 Calls.......................................... 298

15.8.3.3 PSAP Callback to Skype for Business Clients for Dropped E9-1-1 Calls

299

15.8.3.4 Selecting ELIN for Multiple Calls within Same ERL.............................. 299

15.8.3.5 Location Based Emergency Routing..................................................... 300

15.8.4 Configuring AudioCodes ELIN Device...................................................................300

15.8.4.1 Enabling the E9-1-1 Feature................................................................. 300

15.8.4.2 Configuring the E9-1-1 Callback Timeout............................................. 301

15.8.4.3 Configuring the SIP Release Cause Code for Failed E9-1-1 Calls....... 301

15.8.4.4 Configuring SBC IP-to-IP Routing Rule for E9-1-1............................... 301

15.8.4.5 Configuring Location-Based Emergency Routing................................. 302

15.8.4.6 Viewing the ELIN Table......................................................................... 304

16 Quality of Experience......................................................................................305

16.1 Reporting Voice Quality of Experience to SEM....................................................305

16.1.1 Configuring the SEM Server..................................................................................305

16.1.2 Configuring Clock Synchronization between Device and SEM.............................306

16.1.3 Enabling RTCP XR Reporting to SEM ..................................................................306

16.2 Configuring Quality of Experience Profiles...........................................................307

16.3 Configuring Bandwidth Profiles............................................................................312

16.4 Configuring Quality of Service Rules ...................................................................315

17 Control Network ..............................................................................................319

17.1 Configuring Media Realms...................................................................................319

17.1.1 Configuring Remote Media Subnets......................................................................322

17.1.2 Configuring Media Realm Extensions ...................................................................325

17.2 Configuring SRDs ................................................................................................327

17.2.1 Filtering Tables in Web Interface by SRD .............................................................332

17.2.2 Multiple SRDs for Multi-tenant Deployments.........................................................333

17.2.3 Cloning SRDs........................................................................................................334

17.2.4 Color-Coding of SRDs in Web Interface................................................................335

17.2.5 Automatic Configuration based on SRD................................................................336

17.3 Configuring SIP Interfaces...................................................................................336

17.4 Configuring IP Groups..........................................................................................344

17.5 Configuring Proxy Sets ........................................................................................357

17.6 Building and Viewing SIP Entities in Topology View............................................365

18 SIP Definitions.................................................................................................371

18.1 Configuring Registration Accounts.......................................................................371

18.1.1 Regular Registration Mode....................................................................................374

18.1.2 Single Registration for Multiple Phone Numbers using GIN..................................374

18.2 Configuring Proxy and Registration Parameters..................................................375

18.2.1 SIP Message Authentication Example ..................................................................376

18.3 Configuring SIP Message Manipulation...............................................................378

18.4 Configuring SIP Message Policy Rules................................................................384

18.5 Configuring Call Setup Rules...............................................................................387

18.5.1 Call Setup Rule Examples.....................................................................................392

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19 Coders and Profiles ........................................................................................395

19.1 Configuring Coder Groups...................................................................................395

19.1.1 Supported Audio Coders .......................................................................................398

19.1.2 Configuring Various Codec Attributes ...................................................................400

19.2 Configuring Allowed Audio Coder Groups ...........................................................400

19.3 Configuring Allowed Video Coder Groups ...........................................................403

19.4 Configuring IP Profiles .........................................................................................405

19.5 Configuring Tel Profile..........................................................................................439

Gateway Application .............................................................................................453

20 Introduction .....................................................................................................455

20.1 Call Processing Summary....................................................................................455

21 Digital PSTN.....................................................................................................459

21.1 Configuring Trunk Settings...................................................................................459

21.2 TDM and Timing...................................................................................................461

21.2.1 TDM Bus Clock Settings........................................................................................461

21.2.1.1 Recovering Clock from PSTN Line Interface........................................ 461

21.2.1.2 Configuring Internal Clock as Clock Source ......................................... 462

21.3 Configuring CAS State Machines.........................................................................463

21.4 Configuring Digital Gateway Parameters.............................................................465

21.5 Tunneling Applications.........................................................................................466

21.5.1 TDM Tunneling......................................................................................................466

21.5.1.1 DSP Pattern Detector............................................................................ 469

21.5.2 QSIG Tunneling.....................................................................................................469

21.6 ISDN Non-Facility Associated Signaling (NFAS).................................................471

21.6.1 NFAS Interface ID..................................................................................................471

21.6.2 Working with DMS-100 Switches ..........................................................................472

21.6.3 Creating an NFAS-Related Trunk Configuration...................................................473

21.6.4 Performing Manual D-Channel Switchover in NFAS Group..................................473

21.7 ISDN Overlap Dialing...........................................................................................473

21.7.1 Collecting ISDN Digits and Sending Complete Number in SIP.............................474

21.7.2 Interworking ISDN Overlap Dialing with SIP According to RFC 3578...................475

21.8 Redirect Number and Calling Name (Display).....................................................476

22 Trunk Groups ..................................................................................................477

22.1 Configuring Trunk Groups....................................................................................477

22.2 Configuring Trunk Group Settings Table..............................................................479

23 Routing.............................................................................................................485

23.1 Configuring Tel-to-IP Routing Rules ....................................................................485

23.2 Configuring IP-to-Tel Routing Rules ....................................................................494

23.3 Configuring a Gateway Routing Policy Rule........................................................499

23.4 Alternative Routing for Tel-to-IP Calls..................................................................501

23.4.1 IP Destinations Connectivity Feature ....................................................................501

23.4.2 Alternative Routing Based on IP Connectivity.......................................................502

23.4.3 Alternative Routing Based on SIP Responses......................................................504

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23.4.4 Alternative Routing upon SIP 3xx with Multiple Contacts......................................507

23.4.5 PSTN Fallback.......................................................................................................508

23.5 Alternative Routing for IP-to-Tel Calls..................................................................508

23.5.1 Alternative Routing to Trunk upon Q.931 Call Release Cause Code ...................508

23.5.2 Alternative Routing to an IP Destination upon a Busy Trunk ................................510

23.5.3 Alternative Routing upon ISDN Disconnect...........................................................512

23.5.4 Alternative Routing from FXO to IP.......................................................................512

24 Manipulation....................................................................................................513

24.1 Configuring Redirect Reasons.............................................................................513

24.2 Configuring Source/Destination Number Manipulation Rules..............................513

24.3 Manipulating Number Prefix.................................................................................519

24.4 SIP Calling Name Manipulations..........................................................................520

24.5 Configuring Redirect Number IP to Tel................................................................523

24.6 Manipulating Redirected and Diverted Numbers for Call Diversion.....................528

24.7 Mapping NPI/TON to SIP Phone-Context............................................................529

24.8 Configuring Release Cause Mapping ..................................................................531

24.8.1 SIP-to-ISDN Release Cause Mapping ..................................................................531

24.8.1.1 Configuring SIP-to-ISDN Release Cause Mapping .............................. 531

24.8.1.2 Fixed Mapping of SIP Response to ISDN Release Reason................. 532

24.8.2 ISDN-to-SIP Release Cause Mapping ..................................................................533

24.8.2.1 Configuring ISDN-to-SIP Release Cause Mapping .............................. 533

24.8.2.2 Fixed Mapping of ISDN Release Reason to SIP Response................. 535

24.8.3 Configuring ISDN-to-ISDN Release Cause Mapping............................................536

24.8.4 Reason Header......................................................................................................538

24.9 Numbering Plans and Type of Number................................................................538

25 Configuring DTMF and Dialing.......................................................................541

25.1 Dialing Plan Features...........................................................................................541

25.1.1 Digit Mapping.........................................................................................................541

25.1.2 External Dial Plan File ...........................................................................................542

25.2 Interworking Keypad DTMFs for SIP-to-ISDN Calls.............................................542

25.3 Configuring Hook Flash........................................................................................543

26 Configuring Supplementary Services ...........................................................545

26.1 Call Hold and Retrieve.........................................................................................545

26.2 Call Pickup...........................................................................................................547

26.3 BRI Suspend and Resume...................................................................................547

26.4 Consultation Feature............................................................................................548

26.5 Call Transfer.........................................................................................................548

26.5.1 Consultation Call Transfer.....................................................................................548

26.5.2 Consultation Transfer for QSIG Path Replacement..............................................549

26.5.3 Blind Call Transfer.................................................................................................550

26.6 Call Forward.........................................................................................................550

26.6.1 Enabling Call Forwarding.......................................................................................551

26.6.2 Call Forward Reminder Ring.................................................................................551

26.6.3 Call Forward Reminder (Off-Hook) Special Dial Tone ..........................................553

26.6.4 Call Forward Reminder Dial Tone (Off-Hook) upon Spanish SIP Alert-Info..........553

26.6.5 BRI Call Forwarding...............................................................................................554

26.7 Enabling Call Waiting...........................................................................................556

26.8 Message Waiting Indication.................................................................................557

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