Yealink Skype for Business HD IP Phones Administrator Guide
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- Basic Features: live dialpad, dial plan, caller identity, auto answer.
Codecs and Voice Features
- Wideband codec: G.722
- Narrowband codec: G.711, G.726, G.729, iLBC, G723 (G723 is not applicable
to T40P Skype for Business phones)
- VAD, CNG, AEC, PLC, AJB, AGC
- Full-duplex speakerphone with AEC
Network Features
- SIP v1 (RFC2543), v2 (RFC3261)
- Proxy mode and peer-to-peer SIP link mode
- IP assignment: Static/DHCP/PPPoE (PPPoE is not applicable to
T42G/T41P/T40P Skype for Business phones)
- VLAN assignment: LLDP/Static/DHCP/CDP
- Bridge mode for PC port
- HTTP/HTTPS server
- DNS client
- DHCP server
- IPv6 support
Management
- FTP/TFTP/HTTP auto-provision
- Configuration: browser/phone/auto-provision
- Dial number via SIP server
- Dial URL via SIP server
Security
- HTTPS (server/client)
- 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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