VoIP phone - SIP, SIP v2, SRTP - 3 lines
| Main Specifications | |
|---|---|
| Product Description | Yealink SIP-T40G - VoIP phone - 3-way call capability |
| Product Type | VoIP phone |
| Main Features | Multiple VoIP protocol support, integrated Ethernet switch |
| VoIP Protocols | SIP, SIP v2, SRTP |
| Voice Codecs | G.722, G.723, G.729ab, G.711u, G.711a, G.726 |
| Lines Supported | 3 lines |
| Speakerphone | Yes |
| Call Services | Voice Mail, Caller ID, Call Waiting, Call Forwarding, Call Transfer, Call Hold |
| Display | LCD display - monochrome - Yes |
| Network Ports Qty | 2 x Ethernet 10Base-T/100Base-TX/1000Base-T |
| General | |
| Product Type | VoIP phone |
| Miscellaneous | |
| Connections | 2 x headset jack / RJ-9 ¦ 2 x network / RJ-45 ¦ EHS port / RJ-12 |
| Placing / Mounting | Wall-mountable, table-top |
| Included Accessories | Stand, network cable |
| Display | |
| Type | LCD display - monochrome |
| Display Location | Base |
| Diagonal Size | 2.3" |
| Display Resolution | 132 x 64 pixels |
| Backlit | Yes |
| Phone Features | |
| Call Services | Voice Mail, Caller ID, Call Waiting, Call Forwarding, Call Transfer, Call Hold |
| Dialer Location | Base |
| Conference Call Capability | 3-way |
| Speakerphone | Yes |
| Programmable Buttons Qty | 6 |
| Indicators | Visual ringer light, voice message waiting indicator, speakerphone indicator, headset, mute indicator |
| Additional Functions | Built-in clock, call recording, Intercom |
| Dimensions & Weight (Base) | |
| Width | 8.3 in |
| Depth | 7.4 in |
| Height | 6.9 in |
| Phone Memory | |
| Phone Directory Capacity | 1000 names & numbers |
| IP Telephony | |
| Main Features | Multiple VoIP protocol support, integrated Ethernet switch |
| VoIP | Yes |
| VoIP Protocols | SIP, SIP v2, SRTP |
| Voice Codecs | G.722, G.723, G.729ab, G.711u, G.711a, G.726 |
| Lines Supported | 3 lines |
| Quality of Service | IEEE 802.1Q (VLAN), Differentiated Services (DiffServ), IEEE 802.1p, Type of Service (ToS) |
| IP Address Assignment | DHCP, static |
| Security | IEEE 802.1X |
| Power Over Ethernet (PoE) Support | Yes |
| Network Protocols | IP, TCP, TFTP, UDP, HTTP, DNS, HTTPS, SRTP, SNTP |
| Network Ports Qty | 2 x Ethernet 10Base-T/100Base-TX/1000Base-T |
| 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) |
| Network Features | Network Address Translation (NAT), Class 2 PoE, Lightweight Directory Access Protocol (LDAP) |