Jedan od najprodavanijih modela Yealink IP telefona opremljen je TI TITAN chipsetom i LCD zaslonom sa 2x15 znakova, nudi mogućnost 2 VoIP korisnička računa, zvuk visokog kvaliteta, širok raspon mogućnosti kodiranja zvuka, sigurnosnu zaštitu privatnosti, bogate funkcije kao što su XML telefonski imenik, priključenje naglavnih slušalica, PoE, PnP Auto-provision, te kompatibilnost sa vodećim platformama IP telefonskih centrala i soft switcheva. Omogućava korisnicima jednostavno, ugodno i pouzdano telefoniranje potpuno zadovoljavajući osnovne zahteve poslovne okoline. Dodatno, SIP-T20P je lako instalirati, predstavlja povoljno rešenje za firme i kućne korisnike.

• Dva 10/100 Ethernet porta, PoE
• LCD ekran 2x15 znakova
• TI TITAN chipset, TI voice engine
• HD zvuk: HD codec, HD zvučnik, HD slušalica
• 2 VoIP računa
• Podrška za naglavne slušalice
• Mogućnost montaže na zid

Network Features

SIP v1 (RFC2543), v2 (RFC3261)

DNS SRV (RFC3263)

Redundant server support

NAT Traversal: STUN mode

DTMF: In-Band, 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

Telnet/HTTP/HTTPS server

DNS client

NAT/DHCP server

Phone Features

2 VoIP accounts, Hotline, Emergency call

Call hold, Call waiting, Call forward, Call return

Call transfer (blind/semi-attended/attended)

Caller ID display, Redial, Mute, DND

Auto-answer, 3-way conferencing

Speed dial, Voicemail

Message Waiting Indication (MWI) LED

Tone scheme, Volume control

Direct IP call without SIP proxy

Ring tone selection/import/delete

Phonebook (300 entries), Black list

Call history: dialed/received/missed/forwarded

Menu-driven user interface

Localized language and input method

Soft keys programmable

IP PBX System Integration

Busy lamp field (BLF), BLF list

Bridged line appearance (BLA)

DND and Forward synchronization

Intercom, Paging, Music on hold

Call park, Call pickup

Call recording, Call completion

Group listening, Group pickup

Anonymous call, Anonymous call rejection

Network conference

Distinctive ringtone

Dial Plan, Dial-now

Codecs and Voice Features

Wideband codec: G.722

Narrowband codec: G.711µ/A, G.723.1, G.726, G.729AB

VAD, CNG, AEC, PLC, AJB, AGC

Full-duplex speakerphone with AEC

Management

Auto-provision via FTP/TFTP/HTTP/HTTPS

Auto-provision with PnP

SNMP V1/2 optional

TR069 optional

Configuration: browser/phone/auto-provision

Factory configuration customized

Trace package and system log export

Security

802.1x, VLAN QoS (802.1pq)

Transport Layer Security (TLS)

HTTPS (server/client)

SRTP (RFC3711)

Digest authentication using MD5/MD5-sess

Secure configuration file via AES encryption

Phone lock for personal privacy protection

Admin/VAR/User 3-level configuration mode

Physical Features

TI TITAN chipset

3-line LCD with an icon line and 2x15 characters lines

31 keys including 9 function keys

4 LEDs: 1xpower, 2xline, 1xmessage

1xRJ9 handset port

1xRJ9 headset port

2xRJ45 10/100M Ethernet ports

Wall-mountable

Power adapter: AC 100~240V input and DC 5V/1.2A Output

Power over Ethernet (IEEE 802.3af )

Power consumption: 1.4-2.6W

Net weight: 0.77kg

Dimension: 185 x 200 x 90mm

Operating humidity: 10~95%

Storage temperature: up to 60°C