Yealink SIP-T2XP Administrator's Manual page 220

Administrator's Guide for SIP-T2xP and SIP-T19P IP Phones
7. To adjust the priority of codecs, select the desired codec and then click
or .
8. Click Confirm to accept the change.
To configure the ptime on a per-line basis via web user interface:
1. Click on Account.
2. Select the desired account from the pull-down list of Account.
3. Click on Advanced.
4. Select the desired value from the pull-down list of PTime (ms).
5. Click Confirm to accept the change.
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