User's Manual 6 Document #: LTRT-10466
Mediant 500L MSBR
17.1.2 Silence Suppression (Compression) .....................................................................179
17.1.3 Configuring Echo Cancellation ..............................................................................180
17.2 Fax and Modem Capabilities ..............................................................................181
17.2.1 Fax/Modem Operating Modes...............................................................................181
17.2.2 Fax/Modem Transport Modes ...............................................................................182
17.2.2.1 T.38 Fax Relay Mode.............................................................................182
17.2.2.2 G.711 Fax / Modem Transport Mode.....................................................184
17.2.2.3 Fax Fallback...........................................................................................185
17.2.2.4 Fax/Modem Bypass Mode......................................................................185
17.2.2.5 Fax / Modem NSE Mode........................................................................187
17.2.2.6 Fax / Modem Transparent with Events Mode ........................................187
17.2.2.7 Fax / Modem Transparent Mode............................................................188
17.2.2.8 RFC 2833 ANS Report upon Fax/Modem Detection .............................189
17.2.3 V.34 Fax Support...................................................................................................189
17.2.3.1 Bypass Mechanism for V.34 Fax Transmission.....................................190
17.2.3.2 Relay Mode for T.30 and V.34 Faxes ....................................................190
17.2.3.3 V.34 Fax Relay for SG3 Fax Machines..................................................191
17.2.4 V.150.1 Modem Relay...........................................................................................192
17.2.5 Simultaneous Negotiation of Fax (T.38) and Modem (V.150.1) Relay..................193
17.2.6 V.152 Support........................................................................................................193
17.2.7 Fax Transmission behind NAT ..............................................................................194
17.3 Configuring RTP/RTCP Settings.........................................................................195
17.3.1 Configuring the Dynamic Jitter Buffer....................................................................195
17.3.2 Comfort Noise Generation.....................................................................................196
17.3.3 Dual-Tone Multi-Frequency Signaling...................................................................197
17.3.3.1 Configuring DTMF Transport Types.......................................................197
17.3.3.2 Configuring RFC 2833 Payload .............................................................198
17.3.4 Configuring RTP Base UDP Port...........................................................................199
17.4 Configuring IP Media Settings............................................................................200
17.4.1 Automatic Gain Control (AGC) ..............................................................................200
17.5 Configuring Various Codec Attributes.................................................................201
17.6 Configuring Analog Settings...............................................................................202
17.7 Configuring Media (SRTP) Security....................................................................202
18 Services ...........................................................................................................205
18.1 DHCP Server Functionality.................................................................................205
18.1.1 Configuring the DHCP Server ...............................................................................205
18.1.2 Configuring the Vendor Class Identifier.................................................................209
18.1.3 Configuring Additional DHCP Options...................................................................210
18.1.4 Configuring Static IP Addresses for DHCP Clients ...............................................211
18.1.5 Viewing and Deleting DHCP Clients......................................................................212
18.2 SIP-based Media Recording...............................................................................214
18.2.1 Enabling SIP-based Media Recording...................................................................217
18.2.2 Configuring SIP Recording Routing Rules ............................................................217
18.2.3 Configuring SIP User Part for SRS........................................................................219
18.2.4 Interworking SIP-based Media Recording with Third-Party Vendors....................219
18.2.4.1 Genesys .................................................................................................219
18.2.4.2 Avaya UCID............................................................................................219
18.3 RADIUS Authentication ......................................................................................221
18.3.1 Setting Up a Third-Party RADIUS Server..............................................................222
18.3.2 Configuring RADIUS Authentication......................................................................223
18.3.3 Securing RADIUS Communication........................................................................224
18.3.4 Authenticating RADIUS in the URL.......................................................................225
18.4 LDAP-based Management and SIP Services .....................................................226
18.4.1 Enabling the LDAP Service ...................................................................................227
18.4.2 Enabling LDAP-based Web/CLI User Login Authentication and Authorization.....228
