[asterisk-users] Use different local IP for each SIP trunk

[José Pablo Méndez Soto]

May I ask why do you need different IP addresses to source calls? I mean,
its not a common practice, would like to understand the idea behind it.

 *José Pablo Méndez
*********


On Mon, Dec 19, 2011 at 11:07 PM, Anton Kvashenkin
<anton.jugatsu at gmail.com>wrote:

> AFAIK you can add exterin= in sip.conf for each trunk, correct me if i'm
> wrong.
>
> 2011/12/20 Douglas Mortensen <doug at impalanetworks.com>
>
>> Hello,****
>>
>> ** **
>>
>> I have a SIP provider whom I may want to have multiple trunks with,
>> rather than just adding more channels to the individual trunk. I have
>> discussed the matter with them & they have told me that the only way that
>> they identify which trunk should be used for each call is simply by the
>> source IP address that the SIP calls are originating from. They do not use
>> sip username/password or any other means to authenticate the remote caller.
>> ****
>>
>> ** **
>>
>> With that said, then it appears that the only way that I can have
>> multiple trunks setup with them is to have asterisk use a different IP for
>> all of the SIP & RTP traffic for each given trunk. Essentially I would
>> setup multiple IP addresses on my eth0 interface. Is there a way in
>> asterisk that I could configure it to use one local IP for the source in
>> all SIP/RTP traffic for 1 SIP trunk & then a different local IP for the
>> other SIP trunk?****
>>
>> ** **
>>
>> Thanks,****
>>
>> -****
>>
>> Doug Mortensen****
>>
>> Network Consultant****
>>
>> *Impala Networks Inc*
>>
>> CCNA, MCSA, Security+, A+****
>>
>> Linux+, Network+, Server+****
>>
>> A.A.S. Information Technology****
>>
>> .****
>>
>> www.impalanetworks.com****
>>
>> P: (505) 327-7300****
>>
>> F: (505) 327-7545****
>>
>> ** **
>>
>> --
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>
>
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