Yealink SIP-T2 SERIES Administrator's Manual page 830

Administrator's Guide for SIP-T2 Series/T19(P) E2/T4 Series/CP860 IP Phones
To configure sample rate for the Opus codec via web user interface:
1. Click on Account->Codec.
2. Select the desired account from the pull-down list of Account.
3. Select the desired value from the pull-down list of Opus Sample Rate.
4. Click Confirm to accept the change.
To configure the ptime for the account via web user interface:
1. Click on Account->Advanced.
2. Select the desired account from the pull-down list of Account.
3. Select the desired value from the pull-down list of PTime(ms).
4. Click Confirm to accept the change.
808