User Guide

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R27A/V
Admin Guide
4.2.3. Intercom
Go to Phone - Call Feature to configure.
Intercom:Intercom allows users to establish a call directly with the
callee.
Active: To enable or disable Intercom feature.
Intercom Mute: If enabled, once the call established, the callee will
be muted.
4.2.4. Return Code When Refuse
Go to Phone - Call Feature to configure.
Return Code When Refuse: Allows users to assign specific code
as return code to SIP server when an incoming call is rejected.
4.2.5. SIP Call Related
Go to Account - Advanced to configure the SIP call related.
MaxLocal SIP Port:To configure maximum local SIP port for
Figure 4.2.3 Intercom
Figure 4.2.4 Return code when refuse