TD 92326GB
2009-03-10 / Ver. E
Installation and Operation Manual
VoIP Gateway
22.1 Setting the IP-interface parameters via DHCP ............................................... 151
22.2 Setting the IP-interface parameters without DHCP ....................................... 152
22.3 The TE and NT modes .................................................................................. 154
22.4 The Signalling Protocols ............................................................................... 155
22.5 The Assignment of B Channel Numbers for PRI Connections ........................ 156
22.6 Single Digit Dialling on Terminals on Point-to-Multipoint Connections .......... 156
22.7 Suppression of specific Protocol Elements ..................................................... 156
22.8 Dial tones .................................................................................................... 157
22.9 Define Source for Time and Date ................................................................ 157
22.10 Call Pickup ................................................................................................. 159
23 The Virtual Interfaces TONE, TEST and HTTP .................................................. 160
23.1 The Public Dial Tone Interface “TONE” ......................................................... 160
23.2 The TEST Interface ....................................................................................... 160
23.3 The HTTP Interface ....................................................................................... 160
24 Document History ............................................................................................. 161
Appendix A: Safety Instructions for the VoIP Gateway ...................................... 162
A.1 Power Supply ................................................................................................ 162
A.2 Installation and Connection ........................................................................... 162
A.3 Cleaning ........................................................................................................ 163
A.4 Malfunctions ................................................................................................. 163
A.5 Disposal ......................................................................................................... 163
Appendix B: Troubleshooting................................................................................ 164
B.1 NAT and Firewalls .......................................................................................... 165
B.2 VoIP and heavily loaded WAN Links ............................................................... 166
B.3 If Technical Support is required ...................................................................... 167
Appendix C: ISDN Error Codes .............................................................................. 168
Appendix D: Call Routing depending on Device Management.......................... 170
D.1 Calls to and from gateway groups ................................................................. 170
D.2 Calls to and from devices managed by RAS ................................................... 170
D.3 Calls to gatekeeper clients via H.323 name .................................................... 171
D.4 Mapping call numbers onto H.323 names ..................................................... 171
Appendix E: How to add a Large Number of Users to the VoIP Gateway......... 172
E.1 Set up a Database for Mail Merge .................................................................. 172
E.2 Add Database Fields to a Mail Merge Document ............................................ 172
E.3 Complete the Mail Merge .............................................................................. 173