Description
The Yealink SIP-T31 is a grey IP phone with a wired connection terminal, designed for daily office communication. It features two VoIP accounts and supports conference calling, call waiting and call transfer. It includes caller ID, anonymous call rejection and anonymous calling to manage each notification as appropriate. It also facilitates daily work with functions such as redial, call return, speed dialling and answering machine. Its connection to the SIP registration server allows it to be integrated into the existing telephone infrastructure. Communication is fully bidirectional, so both parties can speak at once clearly. It stores up to 1000 entries in the address book to locate contacts quickly. The phone measures 188 x 162 x 189 mm (width x height x depth), compact dimensions for placing it on the desk.
Specifications
Design
- Product type: IP Phone
- Handset type: Wired handset
- Product colour: Grey
Phone features
- Answering machine: Yes
- Conference call: Yes
- Caller ID: Yes
- Phonebook capacity: 1000 entries
- Call waiting: Yes
- Speed dialling: Yes
- Call hold: Yes
- Call forwarding: Yes
- Redialing: Yes
- Anonymous call: Yes
- Anonymous call rejection: Yes
- Full duplex: Yes
- Number of VoIP accounts: 2
- Call return: Yes
- Call transfer: Yes
- Call history: Yes
- SIP registrar server: Yes
Management features
- Plug and Play: Yes
Display
- Display: LCD
- Display diagonal: 5.84 cm (2.3")
- Display resolution: 132 x 64 pixels
- Touchscreen: No
- Backlight display: Yes
Audio
- Speakerphone: Yes
- Microphone mute: Yes
- Voice codecs: AGC, AJB, CNG, G.711Mu, G.711a, G.722, G.723.1, G.726, G.729, G.729A, OPUS, PLC, VAD, iLBC
- Comfort noise generation (CNG): Yes
- Packet loss concealment (PLC): Yes
Network
- Ethernet LAN: Yes
- Ethernet LAN interface type: Fast Ethernet
- Ethernet LAN data rates: 10,100 Mbit/s
- Wi-Fi: No
- Bluetooth: No
- Quality of Service (QoS) support: Yes
- DHCP client: Yes
- Networking standards: IEEE 802.1Q, IEEE 802.1p, IEEE 802.1x, IEEE 802.3af
Ports & interfaces
- Ethernet LAN (RJ-45) ports: 2
- RJ-9 ports quantity: 2
- DC-in jack: Yes
Certificates
- Sustainability compliance: Yes
- Compliance certificates: RoHS, REACH
Power
- Power over Ethernet (PoE): No
- AC adapter input voltage: 100 - 240 V
- AC adapter output voltage: 5 V
- AC adapter output current: 0.6 A
- Power consumption (typical): 3 W
Operational conditions
- Operating temperature (T-T): -10 - 50 °C
- Operating relative humidity (H-H): 10 - 95%
Weight & dimensions
- Width: 188 mm
- Depth: 189 mm
- Height: 162 mm
- Package width: 213 mm
- Package depth: 210 mm
- Package height: 103 mm
Packaging content
- Mounting kit: Yes
- Ethernet cable: Yes
- Handset: Yes
- Quick start guide: Yes
- Number of handles included: 1 pc(s)
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