ICX 500 Gateway
Doc.no.A100K12202
Page 118
To set the maximum VoIP channels that should be available for a SIP Trunk,
select Exchange &
System -> NetRouting
in AlphaPro. Press the
Change
button, and select the
Advanced
Settings
tab. In the field
Max Trunks
(or
Max VoIP Channels
), enter the number of VoIP
channels this trunk should have access to.
Maximum three simultaneous calls can be made via SIP Trunk node 100
7.4.3.1. Priority mechanism for dedicated stations
When "Max Trunks" are specified, and a call is made and there are no more free VoIP
channels, you will get a busy tone. It is possible to Camp On and wait for the SIP trunk to
become free.
Stations with Call Setup Priority = Alarm will get a forced connection to the SIP trunk. This is
sufficient to disconnect the ongoing conversation on the SIP trunk line.
Two more setting must be done if you want the user with alarm call setup to take over the SIP
trunk line.
In the Audiocodes gateway, set "Guard time between calls" to zero. Default is 1:
