Yealink Optima HD voice

Codecs: Opus, G.722, G.711(A/u), G.723, G.729AB, G.726, iLBC

Dual-port Gigabit Ethernet

Display: 4.3" 480 x 272 pixel color with backlight

Dual-color LEDs

4 Soft Keys

10 Line keys can be programmed with up to 27 features on 3 page view

Built-in USB port allows support for Bluetooth headset with BT40 dongle

Up to 16 SIP accounts

Paper label-free design

Local phonebook with up to 1,000 entries

RJ9 headset port with EHS support (see EHS36 wireless headset adapter)

Supports up to 6 EXP40 expansion modules

Stand with 2 adjustable angles

Wall mountable (with kit WMB-T46)

PoE 802.3af

Power supply not included (PS5V2000US)

Upgrades from T46G

Device performance enhancement with faster response on the phone's user interface

Opus support

Enhanced speaker performance

United firmware

Hearing aid compatible handset 

Specifications

Features

Caller ID (CID):  Yes

LCD Backlit Display:  Yes

Speakerphone:  Yes

Voicemail:  Yes

Color:  Black

Other features

Country of Origin:  China

Type of Packaging:  Retail Box

Warranty:  1 Year

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