iii
2.4.1 Dialing............................................................................................................................................................................... 35
2.4.2 Routing Table .................................................................................................................................................................... 37
2.4.3 Application Examples of Routing Table ........................................................................................................................... 41
2.4.4 IP Table ............................................................................................................................................................................. 43
2.5 Line ............................................................................................................................................................................................... 44
2.5.1 FXS Phone number ........................................................................................................................................................... 44
2.5.2 Feature............................................................................................................................................................................... 44
2.5.3 Advanced .......................................................................................................................................................................... 47
2.6 Trunk ............................................................................................................................................................................................. 49
2.6.1 FXO Phone number ........................................................................................................................................................... 49
2.6.2 Feature............................................................................................................................................................................... 50
2.6.3 Advanced .......................................................................................................................................................................... 51
2.7 Advanced Configuration ............................................................................................................................................................... 53
2.7.1 System ............................................................................................................................................................................... 53
2.7.2 Security ............................................................................................................................................................................. 55
2.7.3 White list ........................................................................................................................................................................... 55
2.7.4 Media stream ..................................................................................................................................................................... 56
2.7.5 SIP-related configuration .................................................................................................................................................. 57
2.7.6 Encryption ......................................................................................................................................................................... 59
2.7.7 Greeting ............................................................................................................................................................................. 61
2.7.8 Tones ................................................................................................................................................................................. 61
2.7.9 Service Feature Codes ....................................................................................................................................................... 62
2.7.10 System time ..................................................................................................................................................................... 65
2.8 Status ............................................................................................................................................................................................. 67
2.8.1 Call status .......................................................................................................................................................................... 67
2.8.2 Call history on Phone ........................................................................................................................................................ 67
2.8.3 Call history on Line ........................................................................................................................................................... 68
2.8.4 SIP message count ............................................................................................................................................................. 68
2.9 Logs ............................................................................................................................................................................................... 69
2.9.1 System status ..................................................................................................................................................................... 69
2.9.2 Call messages .................................................................................................................................................................... 70
2.9.3 System startup ................................................................................................................................................................... 71
2.9.4 Log management ............................................................................................................................................................... 71
2.10 Tools ............................................................................................................................................................................................ 72
2.10.1 Change password ............................................................................................................................................................ 72
2.10.2 Configuration maintenance ............................................................................................................................................. 72
2.10.3 Software upgrade ............................................................................................................................................................ 72
2.10.4 Restore factory settings ................................................................................................................................................... 74
2.10.5 TDM capture ................................................................................................................................................................... 74
2.10.6 Ethereal/Wireshark Capture ............................................................................................................................................ 75
2.10.7 Network diagnosis ........................................................................................................................................................... 76
2.11 Version information .................................................................................................................................................................... 77
2.12 Logout ......................................................................................................................................................................................... 77
3 Appendix .............................................................................................................................................................. 78
3.1 Voice and G.711 Fax Works but T.38 Fax Does Not .................................................................................................................... 78
3.1.1 Problem Description .......................................................................................................................................................... 78
3.1.2 Solution ............................................................................................................................................................................. 78