Administrator’s Guide for SIP-T2 Series/T19(P) E2/T4 Series IP Phones
820
account.1.ptime = 20
Web User Interface:
Account->Advanced->PTime(ms)
Phone User Interface:
None
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.
Acoustic Clarity Technology
Acoustic Echo Cancellation (AEC) is used to reduce acoustic echo from a voice call to provide
natural full-duplex communication patterns. It also increases the capacity achieved through
silence suppression by preventing echo from traveling across a network. IP phones employ
advanced AEC for hands-free operation. AEC is not normally required for calls via the handset. In
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