Administrator’s Guide for SIP-T2xP and SIP-T19P IP Phones
10
In addition to physical features introduced above, IP phones also support the following
key features when running the latest firmware:
Phone Features
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Call Options: emergency call, call waiting, call hold, call mute, call forward,
call transfer, call pickup, conference.
-
Basic Features: DND, phone lock, auto redial, live dialpad, dial plan, hotline,
caller identity, auto answer.
-
Advanced Features: BLF, server redundancy, distinctive ring tones, remote
phone book (not applicable to SIP-T20P IP phones), LDAP (not applicable to
SIP-T19P and SIP-T20P IP phones), 802.1X authentication.
Codecs and Voice Features
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Wideband codec: G.722
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Narrowband codec: G.711, G.723, G.726, G.729AB, iLBC
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VAD, CNG, AEC, PLC, AJB, AGC
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Full-duplex speakerphone with AEC
Network Features
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SIP v1 (RFC2543), v2 (RFC3261)
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NAT Traversal: STUN mode
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DTMF: INBAND, RFC2833, SIP INFO
-
Proxy mode and peer-to-peer SIP link mode
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IP assignment: Static/DHCP/PPPoE
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VLAN assignment: LLDP/Static/DHCP
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Bridge/Router mode for PC port (Router mode is not applicable to SIP-T19P and
SIP-T21P IP phones)
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TFTP/DHCP/PPPoE client
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HTTP/HTTPS server
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DNS client
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NAT/DHCP server
-
IPv6 support
Management
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FTP/TFTP/HTTP/PnP auto-provision
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Configuration: browser/phone/auto-provision
-
Direct IP call without SIP proxy
-
Dial number via SIP server
Содержание Yealink SIP-T28P
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