design
Product type: IP phone
Product color: Gray
Headset type: wired headset

phone features
Caller ID: Yes
Phonebook capacity: 1000 entries
Number of VoIP accounts: 2
Responder: Yes
Knocking: Yes
Shortcuts: Yes
Call Hold: Yes
Call forwarding: Yes
Conference call: Yes
Redial: Yes
Anonymous call: Yes
Anonymous call rejection: Yes
Full Duplex: Yes
Callback: Yes
Call transfer: Yes
Call log: Yes
SIP Registry Server: Yes

management functions
Plug & Play: Yes

screen
Touch screen: No
Display: LCD
Screen diagonal: 5.84 cm (2.3 inches)
Screen resolution: 132 x 64 pixels
Screen backlight: Yes

Audio
Hands-free: Yes
Microphone mute: Yes
Speech codec: G.722, G.729, AGC, G.729A, AJB, PLC, G.711Mu, VAD, G.711a, G.723.1, G.726, iLBC, CNG, OPUS
Comfort noise production (CNG): Yes
Packet Loss Concealment (PLC): Yes

network
Built-in Ethernet port: Yes
WiFi: No
Bluetooth: No
Ethernet LAN interface type: Fast Ethernet
Ethernet LAN data transfer rate: 10,100 Mbit/s
Quality of Service (QoS) support: Yes
DHCP Client: Yes
Network standard: IEEE 802.3af, IEEE 802.1p, IEEE 802.1Q, IEEE 802.1x

connections and interfaces
Number of Ethernet LAN ports (RJ-45): 2
Number of RJ9 connectors: 2
Direct current (DC) connection: Yes

certificates
Sustainability compliance: Yes
Sustainability certificates: RoHS, REACH

Execution
Power over Ethernet (PoE): Yes
Power input voltage: 100 - 240 V
Power supply output voltage: 5V
Power supply output current: 0.6 A
Power consumption (standard operation): 3 W

operating conditions
Operating temperature: -10 - 50 °C
Operating relative humidity: 10 - 95%

weight and dimensions
Width: 188 mm
Depth: 189 mm
Height: 162mm
Package width: 213 mm
Packaging depth: 210 mm
Package height: 103 mm

scope of delivery
Number of handles included: 1 piece
Mounting kit: Yes
Ethernet cable: Yes
Listener: Yes
Quick Start Overview: Yes



The text is machine translated.

Same summary

The Yealink SIP-T31P is an IP phone that is primarily suitable for home use, small offices, or users who value easy management and reliable basic functionalities for Internet telephony. Due to support for multiple VoIP accounts and call clarity, it is also useful for those who want to separate private and work conversations or need the ability to transfer and conference calls. For environments with a larger number of users or for demanding business use, where more extensive connectivity or more advanced options are important, this model may not be sufficient. In case of a need for mobility or wireless use, we recommend checking whether the environment supports the appropriate connectivity.

Recommendation source: Enaa guides and team experiences.

User view

This IP phone is often chosen by users who want to upgrade their Internet telephony experience at home or in a small office, where connection stability and ease of use are important. It is practical for everyday conversations, as it allows quick access to call management functions and greater transparency when using multiple accounts. It is most appreciated by those who want to avoid complex configuration and are looking for a breakthrough from the limitations of traditional analog telephony.

Many people choose Yealink products because they are convinced by their reliability and good reputation in the IP telephony segment.

Why buy at Enaa

At Enaa, you can choose from a wide range of IP phones in different price and functional classes, making it easy for you to find the model that suits your actual usage. In addition, the descriptions are carefully designed to better understand the capabilities and usability of each phone.

Answers to frequently asked questions

Who is the most suitable user for the Yealink SIP-T31P?

The phone is best suited for individuals who want an easy introduction of IP telephony at home or in a small business environment where numerous advanced features and complex integration are not required.

Does it support multiple VoIP accounts?

Yes, this phone allows the use of multiple VoIP accounts, which is practical for separating private and work conversations on one device.

How to choose the right IP phone based on the method of use?

When choosing, it is important to consider the number of users, the need for additional equipment, and the type of connectivity the environment supports. Larger offices or groups require more advanced models with more features, while basic models are sufficient for home use.

Is the Yealink SIP-T31P compatible with all VoIP services?

Most common VoIP services are based on the SIP standard, which is also supported by this phone, but we always recommend checking compatibility with your service provider before purchasing.

What if I need advanced call management or additional equipment?

If you need advanced features, the ability to connect additional equipment, or connection to multiple systems, check out the wide range of more advanced Yealink models in our store.

Description updated: April 2026