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Step 1 :
Create a sip trunk between Sark and Vega 50 box. To do that go to :
End Points >> Trunks and click on New Object icon as shown below.
Choose GeneralSIP from Trunk Type drop down menu. Some extra fields will appear on
the screen.
Set a name for the trunk (Without Space) and insert the IP address of the Vega gateway.
Leave everything else as default and press save and then the commit button.
Step 2 :
Next step is to create an inbound route for calls coming from Vega gateway to Sark. This is
where you define the numbers assigned to your by ISDN provider generally called MSN`s
or DID/DNID. The UK default for BT-supplied lines is 6 presentation digits but older CPE
equipment often could only handle 3 or 4 digits so you will regularly come across circuits in
the field which present differing numbers of digits. VoIP carriers usually provide the entire
10 or 11 digits in the DNID (although sometimes without the leading zero) when they
deliver calls over SIP or IAX2.
The default route in Sark (_XXXX.) match any DID number coming in to Sark and forward
the call to the system operator. It is good practice to specify the ISDN line number which
gives more control on inbound call routing.
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