5
Update Firmware ...................................................................................................... 39
Advanced Settings .................................................................................................... 40
Password Setting ...................................................................................................... 42
Tone Settings ............................................................................................................ 43
Restore Default Setting............................................................................................. 43
Language Setting ...................................................................................................... 43
Save & Reboot.......................................................................................................... 44
Logout....................................................................................................................... 44
Appendix A Voice communications ............................................................................... 45
Case 1: Voice communication via SIP IP PBX _IPX-300 ........................................ 45
Case 2: Call Forward Feature_IP to IP Forward....................................................... 46
Case 3: Call Forward Feature_All to PSTN ............................................................. 48
Case 4: Call Forward Feature_PSTN to IP Forward ................................................ 49
Case 5: Call Forward Feature_Peer to Peer mode.................................................... 50
Case 6: Auto Answer Feature_IP to PSTN ............................................................... 50
Case 7: Auto Answer Feature_PSTN to IP............................................................... 52
Appendix B The method of operation guide ................................................................ 55
Call Transfer ............................................................................................................. 55
3-Way Conference .................................................................................................... 55
Call Waiting .............................................................................................................. 55
Switch the Realm (Registration Proxy Server) ........................................................ 55
Appendix C VIP-254NT Specifications ........................................................................ 57
