User Guide

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On/off Code: The code used to turn on/off forward feature on
server’s side, if configured, IT83X will send a sip message to server
to turn on/off forward feature on server side if users press forward
when forward feature is off/on.
On the web portal, go to Phone - Call Featureˈusers can also
setup it.
4.2.2. Intercom
Intercom: To allow users establishing a call directly with the callee.
Active: To enable or disable Intercom function.
Intercom Mute: To eliminate the voice of the callee if enabled.
Intercom Preview: To enable preview function.
4.2.3. Subscribe
On the web portal, go to Account - Advanced - Subscribe.
Subscribe:To display and configure MWI, subscription settings.
Figure 4.2.2-1 Intercom
Figure 4.2.3-1 Subscribe