72
Appendix B Speciļ¬cations
Chapter contents
Protocol.................................................................................................................................................................73
Network Interface..................................................................................................................................................73
Call Features..........................................................................................................................................................73
Voice Codec..........................................................................................................................................................73
SIP Server Support ................................................................................................................................................73
IP Assignment .......................................................................................................................................................73
Security .................................................................................................................................................................74
QoS.......................................................................................................................................................................74
Dial Methods ........................................................................................................................................................74
Voice Quality........................................................................................................................................................74
Firmware Upgrade.................................................................................................................................................74
NAT Traversal.......................................................................................................................................................74
TCP/IP .................................................................................................................................................................75
Configuration........................................................................................................................................................75
