System information
4.10.5. Automatic software upgrades ........................................................................................................................................................... 161
4.11. PBX / IPCentrex functionality ................................................................................................................................................................. 161
4.11.1. Call Rerouting ................................................................................................................................................................................... 162
4.11.2. Ring Groups ...................................................................................................................................................................................... 162
4.11.3. Caller ID............................................................................................................................................................................................ 162
4.11.4. DTMF ............................................................................................................................................................................................... 162
4.11.5. Call Hold ........................................................................................................................................................................................... 163
4.11.6. Call Forward ..................................................................................................................................................................................... 163
4.11.7. Call Transfer ..................................................................................................................................................................................... 164
4.11.8. Three-Way Calling............................................................................................................................................................................ 164
4.11.9. Call Waiting and queuing ................................................................................................................................................................. 165
4.11.10. Call Take-Over................................................................................................................................................................................ 165
4.11.11. Conference Calls ............................................................................................................................................................................. 165
4.11.12. Voice Mail ...................................................................................................................................................................................... 165
4.11.13. Voice Recording ............................................................................................................................................................................. 165
4.11.14. IVR .................................................................................................................................................................................................. 166
4.11.15. Callback number ............................................................................................................................................................................. 168
4.11.16. Callback services ............................................................................................................................................................................ 168
4.11.17. Calling Card services ...................................................................................................................................................................... 169
4.11.18. Phone to Phone (P2P) calls ............................................................................................................................................................. 170
4.11.19. Virtual Servers ................................................................................................................................................................................ 171
4.11.20. Other features .................................................................................................................................................................................. 171
4.12. Additional modules .................................................................................................................................................................................. 171
4.12.1. Calling-Card ...................................................................................................................................................................................... 171
4.12.2. SMS................................................................................................................................................................................................... 171
4.12.3. SMS callback .................................................................................................................................................................................... 172
4.12.4. Web portal ......................................................................................................................................................................................... 174
4.12.5. Resellers ............................................................................................................................................................................................ 175
4.12.6. Call-shops ......................................................................................................................................................................................... 178
4.12.7. Softphone .......................................................................................................................................................................................... 178
4.12.8. Webphone ......................................................................................................................................................................................... 178
4.12.9. Mobile dialers ................................................................................................................................................................................... 179
4.12.10. SIM-Bank ........................................................................................................................................................................................ 179
4.12.11. H.323 ............................................................................................................................................................................................... 181










