Yealink SIP-T20 SIP VoiP 2-Line Business Phone HD Voice WITH Power Adapter For Sale
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Yealink SIP-T20 SIP VoiP 2-Line Business Phone HD Voice WITH Power Adapter:
$15.00
PHONE FEATURES- Supports 2 VoIP accounts, Hotline, Emergency call
- Call style=\"\">Intercom, Paging, Voicemail, MWI, Dial plan
- 3-way conference, DND, Mute, Speed dial, Auto answer
- Phonebook (300 entries), Black list, Call history (100 calls)
- Volume control, Ringtone selection, Tone scheme, Distinctive ringtone
- Localized language, System log export, Admin/User configuration mode
VOICE FEATURES
- HD Voice: HD codec, HD speaker, HD handset
- Supports wideband codec: G.722
- Narrowband codec: G.711, G.726, G.729AB, G.723.1
- Supports VAD, CNG, AEC, PLC, AJB, AGC
- Supports SRTP voice encryption
NETWORK FEATURES
- SIP 2.0 (RFC3261) protocol, NAT transverse: STUN mode
- IP assignment: DHCP/Static, IP/PPPoE, TR069 optional
- Auto provision: firmware, configuration, ringtone etc.
- QoS: IEEE802.1p/q tagging (VLAN), Layer 3ToS
- In-band, out-of-band (RFC2833) and SIP INFO DTMF
- Proxy mode and peer-to-peer SIP link mode
- Supports TLS/HTTPS/AES/MD5 for system security
PHYSICAL FEATURES
- T1 TITAN chipset and T1 voice engine
- 3-line LCD with an icon line and 2x15 characters lines
- 31 keys including 2 line keys and 9 fixed feature keys
- 2xRJ-45 Ethernet 10/100M ports, 1xRJ-9 headset port
- 4 LEDs for power/message/line/status and Handset
- Power Adapter
- Box
- User Guide
- CD
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