Contents
Mar-14 5
6Functions........................................................................................................... 43
6.1 Access Control...................................................................................................................43
6.1.1 Password Protection....................................................................................................... 43
6.1.2 Selective Call Answer ..................................................................................................... 44
6.2 Establishing a Connection by Callback.............................................................................46
6.3 Defined Termination of GPRS Connections for Incoming CSD Calls ("CSDPRIO")...........50
6.3.1 CSD Priority with Caller Authentication.................................................................... 51
6.3.2 CSD Priority without Caller Authentication............................................................. 52
6.4 Automatic Logout and Login or Restart of the Device ....................................................53
6.4.1 Automatic Login at Restart........................................................................................... 53
6.4.2 Periodic Logout and Login or Restart of the Device ............................................... 53
6.5 Automatic SMS Processing ...............................................................................................55
6.5.1 Activation .......................................................................................................................... 55
6.5.2 Reading Interval............................................................................................................... 56
6.5.3 Syntax................................................................................................................................. 56
6.5.4 Access Protection ............................................................................................................ 57
6.5.5 SMS Storage Locations................................................................................................... 58
6.6 Manually Dispatching SMS...............................................................................................58
6.7 Digital Inputs and Potential-Free Outputs.......................................................................59
6.7.1 Automatic SMS Dispatch Via Switch Input .............................................................. 59
6.7.2 Connection Setup via Switch Input............................................................................ 62
6.7.3 Transmitting Input States to Another INSYS GPRS 5.1 serial (IO Tunnelling). 63
6.8 Remote Configuration ......................................................................................................68
6.9 Firmware Update ..............................................................................................................69
6.10 Virtual COM Port...............................................................................................................70
7Short Description INSYS AT Commands ........................................................... 71
7.1 Overview...........................................................................................................................71
7.2 Availability/Storage..........................................................................................................74
8GSM, GPRS, and EDGE General ......................................................................... 75
8.1 Application Notes .............................................................................................................75
8.1.1 GSM..................................................................................................................................... 75
8.1.2 GPRS and EDGE ................................................................................................................ 75
8.2 Network Design ................................................................................................................76
8.3 TCP Transparent................................................................................................................77
8.4 IP Addresses/Accessibility ................................................................................................78
8.4.1 Fixed IP address and VPN connection........................................................................ 79
8.5 Data Rates.........................................................................................................................79
8.6 Quality of Service (QoS)....................................................................................................81
8.7 Delay Times.......................................................................................................................81
8.8 Calculation Examples for Data Transmission via GPRS ...................................................82
8.8.1 Application description.................................................................................................. 82
8.8.2 General data amount..................................................................................................... 83
8.8.3 Calculation example....................................................................................................... 85
9Sending SMS as Fax or E-Mail........................................................................... 87
9.1 SMS as Fax.........................................................................................................................87
9.2 SMS as E-Mail....................................................................................................................87
