Yealink SIP-T31P HD Voice PoE IP Phone (2 SIP Accounts)

Yealink SIP-T31P – Specifications

General

• Model: SIP-T31P

• Type: Entry-level IP Phone

• Operating System: Linux-based

• Display: 2.3-inch graphical LCD (132 × 64 pixels)

• Backlight: Yes

• Lines: Supports up to 2 SIP accounts

• PoE: Yes (Power over Ethernet, Class 1)

• Power Adapter: Optional (5V/600mA)

Audio Features

• HD Voice (Wideband Codec)

• Supported Codecs: G.722, G.711(A/µ), G.729, G.723, G.726, iLBC

• Full-duplex speakerphone

• Acoustic Shield technology

• DTMF (In-band, RFC 2833, SIP INFO)

Network & Security

• Dual-port 10/100 Mbps Ethernet

• IPv4/IPv6

• SIP v1 & v2

• VLAN, QoS

• HTTPS, SRTP, TLS, 802.1X

• Open VPN and L2TP support

Call Features

• Call hold, mute, transfer, forward

• Call waiting, call ID, call park, call pickup

• 3-way local conferencing

• Redial, speed dial

• Busy Lamp Field (BLF)

• Message Waiting Indicator (MWI)

Phone Features

• Local phonebook: up to 1000 entries

• Phonebook search & import/export

• Call history: placed, received, missed

• XML and LDAP remote phonebook

• Ringtone selection

• LED indicators for call and message status

• Intuitive UI with 5 navigation keys

Interfaces

• 2 × RJ45 Ethernet ports (10/100 Mbps)

• 1 × RJ9 handset port

• 1 × RJ9 headset port

• Wall-mountable

Dimensions & Weight

• Dimensions: 188 × 213 × 127 mm

• Weight: Approx. 0.77 kg (phone + stand)

Environmental

• Operating temperature: -10°C to +50°C

• Humidity: 10–95% (non-condensing)