Yealink SIP-T44U
VoIP phone with caller ID | 5-way call capability | SIP, SRTP, RTCP-XR, VQ-RTCPXR | 12 lines | classic gray
Main Specification
| Product Description | Yealink SIP-T44U - VoIP phone with caller ID - 5-way call capability |
|---|---|
| Product Type | VoIP phone with caller ID |
| Main Features | Multiple VoIP protocol support, integrated Ethernet switch |
| VoIP Protocols | SIP, SRTP, RTCP-XR, VQ-RTCPXR |
| Voice Codecs | G.722, G.723.1, G.729, G.711u, G.711a, G.726, iLBC, G.729A/B |
| Lines Supported | 12 lines |
| Speakerphone | Yes |
| Call Services | Voice Mail, Caller ID, Call Waiting, Call Forwarding, Call Transfer, Call Hold, Call park/pickup |
| Display | LCD display - colour - Yes |
| Network Ports Qty | 2 x Ethernet 10Base-T/100Base-TX/1000Base-T |
| Compatible Software | Yealink Redirection and Provisioning Service (RPS) |
| Body Colour | Classic gray |
General
| Product Type | VoIP phone |
|---|---|
| Body Colour | Classic gray |
Phone Features
| Call Services | Voice Mail, Caller ID, Call Waiting, Call Forwarding, Call Transfer, Call Hold, Call park/pickup |
|---|---|
| Caller ID Type | Caller ID |
| Dialer Location | Base |
| Conference Call Capability | 5-way |
| Speakerphone | Yes |
| Volume Control | Yes |
| Indicators | Voice message waiting indicator, call waiting indicator, busy lamp field (BLF) |
| Additional Functions | Call recording, speed dial memory, redial, mute, emergency call, HD Voice, auto answer, Do Not Disturb (DND), Acoustic Shield Technology, blacklist, anonymous call, anonymous call rejection, Bridged Line Appearance (BLA) |
IP Telephony
| Main Features | Multiple VoIP protocol support, integrated Ethernet switch |
|---|---|
| VoIP | Yes |
| VoIP Protocols | SIP, SRTP, RTCP-XR, VQ-RTCPXR |
| Voice Codecs | G.722, G.723.1, G.729, G.711u, G.711a, G.726, iLBC, G.729A/B |
| Lines Supported | 12 lines |
| Quality of Service | IEEE 802.1Q (VLAN), IEEE 802.1p, Layer 3 TOS |
| IP Address Assignment | DHCP, static |
| Security | IEEE 802.1X, TLS, SRTP, AES, SSL |
| Power Over Ethernet (PoE) Support | Yes |
| Network Protocols | IP, TCP, TFTP, UDP, Cisco Discovery Protocol (CDP), HTTP, HTTPS, Link Layer Discovery Protocol (LLDP), SRTP, TR-069, SNTP, DNS SRV, STUN, Lightweight Directory Access Protocol (LDAP), FTP, DSCP, IPv6, DHCP, VLAN |
| Network Ports Qty | 2 x Ethernet 10Base-T/100Base-TX/1000Base-T |
| Compatible Software | Yealink Redirection and Provisioning Service (RPS) |
| 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), Yealink Optima HD voice technology, HD audio |
| Network Features | Class 2 PoE, Lightweight Directory Access Protocol (LDAP), STUN, Network Address Translation (NAT) Traversal, 12 SIP identities / accounts, ICE, IEEE 802.3af |
Phone Memory
| Phone Directory Capacity | 1000 names & numbers |
|---|
Display
| Type | LCD display - colour |
|---|---|
| Display Location | Base |
| Diagonal Size | 2.8" |
| Display Resolution | 320 x 240 pixels |
| Backlit | Yes |
| Display Languages | Multilingual |
Miscellaneous
| Connections | Headset jack / RJ-9 Handset jack / RJ-9 2 x USB |
|---|---|
| Hearing Aid Compatible | Yes |
| Placing / Mounting | Wall-mountable, table-top |
| Cables Included | Ethernet cable - 2 m |
| Included Accessories | Stand |
Power
| Power Consumption | 1.7-4.1 W (PSU), 2.0-4.9 W (PoE) |
|---|
Dimensions & Weight (Base)
| Width | 22.49 cm |
|---|---|
| Depth | 20.62 cm |
| Height | 17.49 cm |
Dimensions & Weight (Handset)
| Width | 24.6 cm |
|---|---|
| Depth | 22.3 cm |
| Height | 12 cm |
Product features
Enhanced audio quality
Equipped with Yealink Optima HD voice technology, HD Voice, and Acoustic Shield Technology, this device ensures every conversation is crystal clear, minimizing background noise and maximizing voice clarity.Robust connectivity options
Offers dual Ethernet ports supporting 10Base-T/100Base-TX/1000Base-T networks, alongside Power over Ethernet (PoE) support, ensuring flexible and reliable connectivity options for any office setup.Comprehensive call management
Features like call forwarding, call hold, call transfer, and a 5-way conference call capability streamline communication, making it easier to manage calls efficiently.Advanced security features
With AES, SRTP, SSL, and TLS security protocols, the device ensures your communications are protected against potential threats, providing peace of mind.Extensive phone directory
Able to store up to 1000 names and numbers, this VoIP phone makes managing contacts simple and efficient, ensuring you're always just a few clicks away from connecting with colleagues and clients.Key selling points
- 12 lines support with multiple VoIP protocol support for versatile communication
- 2.8-inch color LCD display with backlight for easy navigation and clear visibility
- Integrated Ethernet switch and Class 2 PoE for streamlined installation and power management
- HD audio and Yealink Optima HD voice technology for superior sound quality
- 5-way conference call capability for efficient team meetings
References
MPN: SIP-T44U
What our Customers think about us!
Page generated at:
04/06/2026 10:10:44