Yealink SIP-T54W Manual

Volume Adjustment
Press during a call to adjust the receiver volume of the handset/speakerphone/headset.
Press when the phone is idle or ringing to adjust the ringer volume.
Press to adjust the media volume in the corresponding screen.
Ring Tones
1. Press the Menu soft key when the phone is idle, and then select Basic Sound Ring Tones.
2. Press or to select Common or the desired account and then press the Enter soft key.
3. Press or to select the desired ring tone.
4. Press the Save soft key to accept the change.
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Yealink SIP-T54W Specifications

General

Connectivity	Dual-port Gigabit Ethernet
SIP Accounts	16
Opus Codec Support	Yes
Audio Features	HD voice with Yealink Acoustic Shield technology
Expansion Module	Supports up to 3 EXP50 expansion modules
Power over Ethernet (PoE)	Yes
Headset Support	Yes, RJ9 headset port, USB headset support, Bluetooth headset support
Resolution	480 x 272 pixels
Bluetooth	Yes, Bluetooth 4.2
USB Ports	2 (USB 2.0)