Created on: Thursday 24 September, 2020
Yealink T53W Business IP Phone (SIP-T53W)
• HD voice: HD handset, HD speaker
• Hearing aid compatible (HAC) handset
• Acoustic Shield
• Audio codec: Opus, G.722, PCMA, PCMU, G.729A/B, G.726, G.723.1, iLBC
• DTMF: In-band, Out-of-band (RFC 2833) and SIP INFO
• Full-duplex hands-free speakerphone with AEC
• VAD, CNG, AEC, PLC, AJB, AGC
Phone Features
• 12 VoIP accounts
• Call hold, mute, DND, redial, call return, auto answer
• One-touch speed dial, call forward, call waiting, call transfer
• Group listening, hotline, SMS, emergency call
• 3-way conferencing
• Direct IP call without SIP proxy
• Ring tone selection/import/delete
• Set date time manually or automatically
• Dial plan, XML Browser, Action URL/URI
• RTCP-XR (RFC3611), VQ-RTCPXR (RFC6035)
• Built-in dual band Wi-Fi:
• Network standard: IEEE802.11a/b/g/n/ac
• Transmission Rate: Up to 433Mbps (dynamic)
• Frequency range: 2.4GHz/5.0GHz
• Built-in Bluetooth 4.2 for:
• Bluetooth headset
• Mobile contacts synchronisation
• Bluetooth call
• USB port (2.0 compliant) for:
• Wired/wireless USB headset
• USB call recording through USB flash drive
• Colour-screen expansion modules EXP50 (up to 3)
• Content Sharing (via Yealink VCD)
• Enhanced DSS key
Directory
• Local phonebook up to 1000 entries
• Blacklist
• XML/LDAP remote phonebook
• Smart dialling
• Phonebook search/import/export
• Call history: dialed/received/missed/forwarded
Corded-Cordless Phone (via DECT Dongle DD10K)
