The Yealink SIP-T53 corded IP phone supports up to 12 VoIP accounts and offers call management features such as one-touch speed dial, call forwarding and transfer, hold, and mute. Its adjustable 3.7-inch color LCD has a resolution of 360 × 160 pixels and a backlight. Optima HD Voice technology, Acoustic Shield, and hearing aid compatibility support clear communication.

It features two Gigabit Ethernet ports with PoE, a USB 2.0 port for recording calls to a USB drive and connecting a USB headset, as well as Bluetooth and Wi-Fi support. The USB port also supports up to three Yealink EXP50 expansion modules, with up to 180 programmable DSS keys.

• Color: Gray
• Type: Corded IP phone
• Display: 3.7-inch color LCD, 360 × 160 pixels, with backlight
• Adjustable display: Yes
• Touchscreen: No
• VoIP accounts: Up to 12
• SIP lines: 12
• Memory positions: 1000
• Audio: HD Voice, Optima HD Voice, Acoustic Shield, and Smart Noise Filtering
• Hearing aid compatibility: Yes
• Wideband codecs: Opus, G.722, PCMU (G.711A), PCMA (G.711µ), G.729, G.729A, G.729B, G.729AB, G.726, G.723.1, iLBC
• Call features: One-touch speed dial, call forwarding, transfer, hold, and mute
• Speakerphone: Yes
• Caller ID: Yes
• Network ports: 2 Gigabit Ethernet
• PoE: Yes
• Connectivity: Ethernet, RJ9, USB 2.0, Bluetooth, and Wi-Fi
• Bluetooth connection: Via BT40
• Wi-Fi connection: Via WF40 or WF50
• Headset support: Wired headsets and EHS wireless headsets
• Expansion module support: Up to 3 Yealink EXP50 modules via USB
• DSS keys: Up to 180
• Use: Reception / Call Center