User Guide

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Note: By default, DTMF type is RFC2833 which is the standard. Type
Inband uses inband frequency to indicate DTMF tone which is most
used to be compatible to traditional telephone server. Type Info uses SIP
Info message to indicate DTMF message.
Call
To display and configure call-related features.
Max Local SIP Port: To configure maximum local sip port for designated
account.
Min Local SIP Port: To configure minimum local sip port for designated
account.
Caller ID Header: To configure which Caller ID format to fetch for
displaying on Phone UI.
Auto Answer: If enabled, IP phone will be auto-answered when there is
an incoming call for designated account.