Changing Your Phone Unlock Pin - Yealink SIP-T48S User Manual

T4 series; t4x series;
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Changing Your Phone Unlock PIN

The default unlock PIN is 123. You can change your unlock PIN at any time for security reasons.
Procedure
1. Navigate to Menu->Basic->Change PIN.
For the SIP-T42S/T42G/T41S/T41P/T40P/T40G IP phone, navigate to Menu->Settings->Basic Settings->Change
PIN.
2. Enter the desired value in the Old PIN, New PIN and Confirm PIN field respectively.
The unlock PIN length must be within 15 digits.
3. Press Save.
Customizing Your Phone
49

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Questions and answers

Brett
March 25, 2025

How do I change the number of rings? as of now the phone rings once and then goes straight to voicemail.

Eric Burabod
April 18, 2025

Touch Panel won't work

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