ntp

[anonymous1712222627012]

Hello true,

Could you pls make a screen shot of 'Phone->Preference' for us?
If it's OK, you can ping the NTP server to have a try to see whether phone accessed to the NTP server.
And may I know your firmware of base? If the firmware isn't the latest one, you can upgrade the base by downloading the following link:
>>25.50.0.20<<

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Supplement:
The latest firmware link of W52P can be seen as below:
http://www.yealink.com/Upload/W52P/V50/25.50.0.20.zip