VoIP phone with caller ID/call waiting - 5-way call capability - SIP, SIP v2, ICE
| Main Specifications | |
|---|---|
| Product Description | Yealink SIP-T73U - VoIP phone with caller ID/call waiting - 5-way call capability |
| Product Type | VoIP phone with caller ID/call waiting |
| Compatible Platforms | Broadsoft Broadworks, 3CX, Metaswitch, Asterisk |
| Main Features | Integrated Ethernet switch, multiple VoIP protocol support |
| VoIP Protocols | SIP, SIP v2, ICE |
| Voice Codecs | G.722, PCMU, G.711?, PCMA, G.711a, G.723.1, G.729, G.729a, G.729b, G.729A/B, G.726, iLBC |
| Speakerphone | Yes |
| Call Services | Caller ID, Call Hold, Call Forwarding, Call Waiting, Call Transfer, Voice Mail, Call park/pickup |
| Display | LCD display - color - Yes |
| Display Features | Screensaver, Dark mode |
| Network Ports Qty | 2 x Ethernet 10Base-T/100Base-TX/1000Base-T |
| Compatible Software | Yealink Device Management Platform(YMDP / YMCS) |
| General | |
| Product Type | VoIP phone |
| Compatible Platforms | Broadsoft Broadworks, 3CX, Metaswitch, Asterisk |
| Miscellaneous | |
| Connections | Headset jack / RJ-9 ¦ Handset jack / RJ-9 ¦ USB / 4 pin USB Type A ¦ 2 x network / RJ-45 |
| Hearing Aid Compatible | Yes |
| Placing / Mounting | Wall-mountable / table-top |
| Cables Included | Ethernet cable - 6.6 ft ¦ Handset cord |
| Included Accessories | Stand |
| Power | |
| Power Consumption | 1.3-1.48 W (PSU), 1.368-1.832 W (PoE) |
| Display | |
| Type | LCD display - color |
| Display Location | Base |
| Diagonal Size | 2.8" |
| Display Resolution | 320 x 240 pixels |
| Backlit | Yes |
| Display Languages | Multilingual |
| Features | Screensaver, Dark mode |
| Phone Features | |
| Operating System | Linux 6.1 |
| Call Services | Caller ID, Call Hold, Call Forwarding, Call Waiting, Call Transfer, Voice Mail, Call park/pickup |
| Caller ID Type | Caller ID/call waiting |
| Key Expansion Module Max Qty | 3 |
| Dialer Location | Base |
| Conference Call Capability | 5-way |
| Speakerphone | Yes |
| Programmable Buttons Qty | 40 |
| Volume Control | Yes |
| Indicators | Message waiting indicator, call waiting indicator, busy lamp field (BLF) |
| Additional Functions | HD audio, Acoustic Shield Technology, Smart Noise Filtering, one-touch speed dial / redial, hotline, mute, Do Not Disturb (DND), emergency call, redial, call return, auto answer, blacklist, Google contacts, phonebook transfer, Bridged Line Appearance (BLA), anonymous call, anonymous call rejection, Intercom, multicast paging, Music on hold, call recording, power saving mode, Security lock port, keyboard lock |
| Dimensions & Weight (Shipping) | |
| Shipping Width | 9.1 in |
| Shipping Depth | 9.3 in |
| Shipping Height | 4 in |
| Dimensions & Weight (Base) | |
| Width | 8.2 in |
| Depth | 6.6 in |
| Height | 8.5 in |
| IP Telephony | |
| Main Features | Integrated Ethernet switch, multiple VoIP protocol support |
| VoIP | Yes |
| VoIP Protocols | SIP, SIP v2, ICE |
| Voice Codecs | G.722, PCMU, G.711?, PCMA, G.711a, G.723.1, G.729, G.729a, G.729b, G.729A/B, G.726, iLBC |
| Quality of Service | IEEE 802.1p, IEEE 802.1Q (VLAN), Layer 3 TOS |
| IP Address Assignment | DHCP, static |
| Security | TLS 1.3, 256-bit AES, IEEE 802.1X, WPA2, WPA3 |
| Power Over Ethernet (PoE) Support | Yes |
| Network Protocols | RTCP-XR, FTP, TFTP, HTTP, HTTPS, TR-069, IPv4, IPv6, STUN, SNTP, UDP, TCP, DNS SRV, DSCP, SRTP, Link Layer Discovery Protocol (LLDP), CDP, DHCP, VLAN, GARP |
| Network Ports Qty | 2 x Ethernet 10Base-T/100Base-TX/1000Base-T |
| Compatible Software | Yealink Device Management Platform(YMDP / YMCS) |
| Voice Features | Yealink Optima HD voice technology, dual tone multi-frequency (DTMF), acoustic echo cancellation (AEC), voice activity detection (VAD), comfort noise generation (CNG), packet loss concealment (PLC), adaptive jitter buffer (AJB), automatic gain control (AGC), Zero-sp-touch |
| Network Features | 12 SIP identities / accounts, Lightweight Directory Access Protocol (LDAP), Network Address Translation (NAT) Traversal, open VPN, IEEE 802.3af, Class 2 PoE |