[asterisk-users] Is it possible to have two trunks between two Asterisk boxes ?

[Olivier]

2016-04-05 17:12 GMT+02:00 Joshua Colp <jcolp at digium.com>:

> Olivier wrote:
>
>> Hello,
>>
>> For lab testing, I'm trying to build two differents PJSIP trunks between
>> two  Asterisk 13.8.0enabled boxes.
>> I thought I could set up both trunks like this:
>> Box A/port 5060 <------ Trunk1 -----> Box B/port 5060
>> Box A/port 5062 <------ Trunk2 -----> Box B/port 5062
>>
>> and declare trunks like this:
>>
>> [foobar1]
>> type=endpoint
>> transport=simpletrans
>> context=from-customer
>> aors=foobar1
>> allow=!all,alaw
>>
>> [foobar1]
>> type=identify
>> endpoint=foobar1
>> match=100.66.1.104:5060 <http://100.66.1.104:5060>
>>
>> [foobar1]
>> type=aor
>> contact=sip:100.66.1.104:5060 <http://100.66.1.104:5060>
>>
>
> You would need to use From user based matching to differentiate the two
> trunks. This can be accomplished by specifying the remote endpoint name to
> match using the from_user parameter on an endpoint. Example:
>
> [trunk1]
> type=endpoint
> from_user=trunk2
>
> When an outbound call is initiated using the trunk1 endpoint then the From
> user will be 'trunk2'. If this is received by another chan_pjsip it will
> attempt to look for an endpoint named 'trunk2'.
>
> This will allow you to differentiate.
>

So basically, I then must use an other header (than From header) to pass
Caller IDs between the two boxes, no ?
Which header is then recommanded ? P-Asserted-Identity ?
Is this commonly supported and configurable by non-Asterisk PBX ?


> --
> Joshua Colp
> Digium, Inc. | Senior Software Developer
> 445 Jan Davis Drive NW - Huntsville, AL 35806 - US
> Check us out at: www.digium.com & www.asterisk.org
>
>
> --
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