Yealink SIP-T12

Yealink SIP-T12 – IP phone for two lines with independent configuration, 3 network modes: DHCP / static IP address / PPPoE, support for SIP 2.0 protocol (RFC3261).

The Yealink SIP-T12 dual-line phone with independent configuration is a functional model at an affordable price, which is suitable for a wide range of tasks and mass use. -T12 has gained well-deserved popularity among modern buyers. The SIP-T12 has a built-in voice "engine" and a Titan chipset from the leader in the world of chipset production, Texas Instruments. It is the Titan chipset that provides a high-quality level of voice signal transmission (supports the G.722 codec).

Phone specifications

Support for 2 SIP lines with independent configuration.

Fully Russified: has a Russian menu, web interface, input of text messages and contacts in Russian.

Phone book (300 entries), phone book export/import, remote phone book (XML, LDAP), black list, call history (100 entries), speed and accelerated dialing, dialing rules.

Keypad lock, changeable logo on the phone screen, volume control, ringtone selection.

Call hold and waiting, call forwarding and transfer, DND mode, conference calling, call pickup, intercom calls (including group intercom call: Paging), hotline, auto answer, emergency call, auto call mode.

Voicemail, SIP SMS.

Control and configure your phone from the keyboard via a web interface or remotely.

Centralized installation, setup, configuration and software update via Autoprovision function (TFTP/FTP/HTTP/HTTPS/PNP/DHCP).

Support for SNMP v1/2, TR069 protocol (optional).

Support for Yealink RPS (Redirection and Provisioning Service).

Special features for BroadSoft, Genesys, etc. platforms.

Network characteristics

Support for SIP 2.0 protocol (RFC3261).

Transport: UDP, TCP, TLS, DNS SRV.

NAT transverse support: STUN mode.

Call modes: Peer-to-Peer, SIP Proxy.

3 network modes: DHCP / static IP / PPPoE.

Support 802.1x, LLDP.

Support VLAN (IEEE 802.1p/q tagging); TOS (layer 3).

Supports in-band DTMF, out-of band RFC2833 DTMF and SIP INFO.

Support for encryption and identification standards (MD5 and MD5-sess).

SRTP support.

HTTPS client/server.

Voice capabilities

High-quality voice transmission thanks to the TI Titan chipset and voice engine

Sound range from 50Hz to 7kHz

Support for wideband codec G.722. Support for standard codecs G.711, G.726, G.729AB, G.723.1

Support VAD (Voice Activity Detection), CNG (Comfort Noise Generator), AEC (Acoustic Echo Cancellation), NLP (Noise Suppression), AGC (Automatic Gain Control)

High quality speakerphone (IEEE 1329 compliant)

Physical characteristics

Graphic LCD screen 132x64 with blue backlight.

Power: DC 5V, 1.2A.

2 RJ-45 ports (NAT and Bridge modes)

Variable phone tilt angle