8.3.2.6 TIME&DATE ................................................................................................................... 42
8.3.3 VOIP............................................................................................................................ 44
8.3.3.1 SIP .................................................................................................................................... 44
8.3.3.2 IAX2 ................................................................................................................................. 52
8.3.3.3 STUN................................................................................................................................ 53
8.3.3.4 DIAL PEER ...................................................................................................................... 55
8.3.4 PHONE ........................................................................................................................ 58
8.3.4.1 AUDIO ............................................................................................................................. 58
8.3.4.2 FEATURE......................................................................................................................... 59
8.3.4.3 DIAL PLAN...................................................................................................................... 63
8.3.4.4 CONTACT ........................................................................................................................ 65
8.3.4.5 REMOTE CONTACT........................................................................................................ 68
8.3.4.6 WEB DIAL ....................................................................................................................... 68
8.3.5 FUNCTION KEY......................................................................................................... 69
8.3.5.1 FUNCTION KEY.............................................................................................................. 69
8.3.5.2 SOFTKEY......................................................................................................................... 71
8.3.6 Maintenance ................................................................................................................. 72
8.3.6.1 Auto Provision................................................................................................................... 72
8.3.6.2 SYSLOG ........................................................................................................................... 74
8.3.6.3 CONFIG............................................................................................................................ 76
8.3.6.4 UPDATE........................................................................................................................... 76
8.3.6.5 ACCESS ........................................................................................................................... 78
8.3.6.6 REBOOT........................................................................................................................... 80
8.3.7 SECURITY .................................................................................................................. 80
8.3.7.1 WEB FILTER.................................................................................................................... 80
8.3.7.2 FIREWALL....................................................................................................................... 81
8.3.7.3 NAT .................................................................................................................................. 82
8.3.7.4 VPN.................................................................................................................................. 85
8.3.7.5 SECURITY ....................................................................................................................... 86
8.3.8 LOGOUT ..................................................................................................................... 87
9 APPENDIX............................................................................................................................. 88
9.1 SPECIFICATION .................................................................................................................. 88
9.1.1 Hardware...................................................................................................................... 88
9.1.2 Voice features............................................................................................................... 88
9.1.3 Network features .......................................................................................................... 89
9.1.4 Maintenance and management ...................................................................................... 90
9.2 DIGIT-CHARACTER MAP TABLE .......................................................................................... 90
