- Basic Specifications - Body Colour
- Classic gray
- Basic Specifications - Call Services
- Voice Mail, Caller ID, Call Waiting, Call Forwarding, Call Transfer, Call Hold, Message Waiting Capability
- Basic Specifications - Display
- LCD display - monochrome - Yes
- Basic Specifications - EAN
- 0841885104816
- Basic Specifications - Lines Supported
- 2 lines
- Basic Specifications - Main Features
- Multiple VoIP protocol support, integrated Ethernet switch
- Basic Specifications - Manufacturer's Part Number
- SIP-T31P
- Basic Specifications - Model
- Yealink SIP-T31P
- Basic Specifications - Network Ports Qty
- 2 x Ethernet 10Base-T/100Base-TX
- Basic Specifications - Product Description
- Yealink SIP-T31P - VoIP phone - 5-way call capability
- Basic Specifications - Product Type
- VoIP phone
- Basic Specifications - Speakerphone
- Yes
- Basic Specifications - Voice Codecs
- G.722, G.723.1, G.729ab, G.726, iLBC, G.711A/µ
- Basic Specifications - VoIP Protocols
- SIP, SIP v2, SRTP
- Dimensions & Weight (Base) - Depth
- 18.9 cm
- Dimensions & Weight (Base) - Height
- 16.2 cm
- Dimensions & Weight (Base) - Width
- 18.8 cm
- Display - Backlit
- Yes
- Display - Diagonal Size
- 2.3"
- Display - Display Location
- Base
- Display - Display Resolution
- 132 x 64 pixels
- Display - Type
- LCD display - monochrome
- General - Body Colour
- Classic gray
- General - Product Type
- VoIP phone
- IP Telephony - IP Address Assignment
- DHCP, static, PPPoE
- IP Telephony - Lines Supported
- 2 lines
- IP Telephony - Main Features
- Multiple VoIP protocol support, integrated Ethernet switch
- IP Telephony - Network Features
- Network Address Translation (NAT), Lightweight Directory Access Protocol (LDAP)
- IP Telephony - Network Ports Qty
- 2 x Ethernet 10Base-T/100Base-TX
- IP Telephony - Network Protocols
- IP, TFTP, HTTP, DNS, SNMP, HTTPS, Link Layer Discovery Protocol (LLDP), SRTP, STUN
- IP Telephony - Power Over Ethernet (PoE) Support
- Yes
- IP Telephony - Quality of Service
- IEEE 802.1Q (VLAN), IEEE 802.1p
- IP Telephony - Security
- TLS
- IP Telephony - Voice Codecs
- G.722, G.723.1, G.729ab, G.726, iLBC, G.711A/µ
- IP Telephony - Voice Features
- Comfort noise generation (CNG), voice activity detection (VAD), HD Voice, acoustic echo cancellation (AEC), packet loss concealment (PLC), adaptive jitter buffer (AJB), automatic gain control (AGC)
- IP Telephony - VoIP
- Yes
- IP Telephony - VoIP Protocols
- SIP, SIP v2, SRTP
- Miscellaneous - Cables Included
- Network cable
- Miscellaneous - Connections
- Headset jack / RJ-9 ¦ Handset jack / RJ-9
- Miscellaneous - Included Accessories
- Stand
- Miscellaneous - Placing / Mounting
- Wall-mountable, table-top
- Phone Features - Additional Functions
- Call recording, Intercom
- Phone Features - Call Services
- Voice Mail, Caller ID, Call Waiting, Call Forwarding, Call Transfer, Call Hold, Message Waiting Capability
- Phone Features - Conference Call Capability
- 5-way
- Phone Features - Dialer Location
- Base
- Phone Features - Indicators
- Voice message waiting indicator
- Phone Features - Speakerphone
- Yes
- Phone Features - Volume Control
- Yes
- Phone Memory - Phone Directory Capacity
- 1000 names & numbers