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Chapter 6: Using the Web-based Utility
The Voice Tab
IP Telephony System
Release Unused Codec. This feature allows the release of codecs not used after codec negotiation on the first
call, so that other codecs can be used for the second line. To use this feature, select yes. Otherwise, select no.
The default is yes.
FAX Enable T38. To enable the use of the ITU-T T.38 standard for faxing, select yes. Otherwise, select no. The
default is yes.
FXS Port Polarity Configuration
Idle Polarity. Select the polarity before a call is connected, Forward or Reverse. The default is Forward.
Caller Conn Polarity. Select the polarity after an outbound call is connected, Forward or Reverse. The default is
Forward.
Callee Conn Polarity. Select the polarity after an inbound call is connected, Forward or Reverse. The default is
Forward.
When you have finished making changes, click the Submit All Changes button to save the changes, or click the
Undo All Changes button to undo your changes.
Figure 6-43: Voice - FXS 1 Screen - FXS Port Polarity
Configuration
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