Administrator’s Guide for SIP-T3xG IP Phones
6
- Advanced Features: BLF/BLF list, shared call appearance, distinctive ring
tones, remote phonebook, LDAP, 802.1x authentication.
Codecs and Voice Features
- Wideband codec: G.722
- Narrowband codec: G.711, G.723.1, G.726, G.729AB
- VAD, CNG, AEC, PLC, AJB, AGC
- Full-duplex speakerphone with AEC
Network Features
- SIP v1 (RFC2543), v2 (RFC3261)
- NAT Traversal: STUN mode
- DTMF: INBAND, RFC2833, SIP INFO
- Proxy mode and peer-to-peer SIP link mode
- IP assignment: Static/DHCP/PPPoE
- Bridge/Router mode for PC port
- TFTP/DHCP/PPPoE client
- HTTP/HTTPS server
- DNS client
- NAT/DHCP server
Management
- FTP/TFTP/HTTP/PnP auto-provision
- Configuration: browser/phone/auto-provision
- Direct IP call without SIP proxy
- Dial number via SIP server
- Dial URL via SIP server
Security
- HTTPS (server/client)
- SRTP (RFC3711)
- Transport Layer Security (TLS)
- VLAN (802.1q), QoS
- Digest authentication using MD5/MD5-sess
- Secure configuration file via AES encryption
- Phone lock for personal privacy protection
- Admin/User configuration mode
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