Administrator’s Guide for SIP-T5 Series Smart Media Phones
4
Key Features of IP Phones
In addition to physical features introduced above, IP phones also support the following key
features when running the latest firmware:
Phone Features
- Call Options: emergency call, call waiting, call hold, call mute, call forward, call
transfer, call pickup, five-way audio-only conference, five-way audio-only and video
mixed conference (up to three-way video conference, not applicable to SIP-T56A IP
phones).
- Basic Features: DND, auto redial, live dialpad, dial plan, hotline, caller identity, auto
answer.
- Advanced Features: BLF, server redundancy, distinctive ring tones, remote phone
book, LDAP.
Codecs and Voice Features
- Wideband codec: G.722, Opus
- Narrowband codec: G.711, G.726, G.729, iLBC, G.723
- VAD, CNG, AEC, PLC, AJB, AGC
- Full-duplex speakerphone with AEC
Video Features (not applicable to SIP-T56A IP phones)
- Video codec: H264HP, H264, VP8
- Image codec: JPEG, PNG, BMP
- Adaptive bandwidth adjustment
Network Features
- SIP v1 (RFC 2543), v2 (RFC 3261)
- NAT Traversal: STUN mode
- DTMF: INBAND, RFC 2833, SIP INFO
- Proxy mode and peer-to-peer SIP link mode
- IP assignment: Static/DHCP/PPPoE
- VLAN assignment: LLDP/Static/DHCP/CDP
- Bridge mode for PC port
- HTTP/HTTPS server
- DNS client
- NAT/DHCP server
- IPv6 support
- Wi-Fi
Management
- FTP/TFTP/HTTP/PnP auto-provision
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