Yealink SIP-T42S - Overview; Hardware Component Instructions

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Quick Start Guide
Ultra-elegant Gigabit IP Phone – SIP-T42S
RING TONES
1. Press the Menu soft key when the phone is idle, and then select Settings->Basic Settings->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.