System information

4.12.12. Encryption and tunneling ................................................................................................................................................................ 183
5. FAQ................................................................................................................................................................................................................... 186
5.1. How to make a H323 call directly to a GW (without the gatekeeper) ................................................................................................... 186
5.2. Sometimes the voice channel is breaking down. How can I improve the voice quality? ...................................................................... 186
5.3. Using Netmeeting .................................................................................................................................................................................. 186
5.4. How can I make test calls?..................................................................................................................................................................... 187
5.5. How to check the call quality on a specific channel? ............................................................................................................................ 187
5.6. Typical Cisco Config ............................................................................................................................................................................. 187
5.7. Server Recovery (in a separate app and db server configuration) ......................................................................................................... 187
5.8. No incoming calls (no new calls in current call list in peak time) ......................................................................................................... 187
5.9. Calls in „routing” status ......................................................................................................................................................................... 188
5.10. SIP caller cannot call ........................................................................................................................................................................... 188
5.11. SIP called cannot be called .................................................................................................................................................................. 188
5.12. No call on Gateway .............................................................................................................................................................................. 188
5.13. No call on SIM ..................................................................................................................................................................................... 188
5.14. No voice (caller and called cannot hear each-other) ............................................................................................................................ 188
5.15. Too many wrong calls on a simpacket (low ASR/ACL) ..................................................................................................................... 189
5.16. Not enough or too many calls on a sim or simpacket .......................................................................................................................... 189
5.17. Calls are routed to wrong simcards ...................................................................................................................................................... 189
5.18. Too low ASR ....................................................................................................................................................................................... 189
5.19. Too low ACL ....................................................................................................................................................................................... 189
5.20. SIM cards with low credit .................................................................................................................................................................... 189
5.21. GSM Gateway not working ................................................................................................................................................................. 189
5.22. GSM Gateway malfunctions ................................................................................................................................................................ 189
5.23. Wrong disconnect reasons ................................................................................................................................................................... 190
5.24. MManage cannot connect to the server ............................................................................................................................................... 190
5.25. Too slow MManage ............................................................................................................................................................................. 190
5.26. Server software problem (service unavailable).................................................................................................................................... 190
5.27. Server OS, Database or Hardware problem (server unavailable) ........................................................................................................ 190
5.28. How to restart the server service ......................................................................................................................................................... 191
5.29. How to restart the server box .............................................................................................................................................................. 191
5.30. How to restart a GSM gateway ........................................................................................................................................................... 191
5.31. How are the incoming calls from the gsm network handled? .............................................................................................................. 191
5.32. Routing test calls to a dedicated gateway ............................................................................................................................................ 191