[Serusers] ser on linksys router

[Jiri Kuthan]

Just some terminological clarifications:

Harpinning is a valid case: PSTN caller calls a SIP user who is currently
off-line and redirects incoming calls back to PSTN. Using Asterisk may be
a gateway choice for some. Failing to process hairpinned call by Asterisk
is a problem in Asterisk's SIP stack and ought to be fixed there.

-jiri

At 02:03 AM 1/18/2005, Matt Schulte wrote:
>Yes this is a big no no, forgive my ignorance I understand using SER as
>a proxy but if you are dealing with one server why run both SER and Ast?
>It's most likely confused because of the callid being the same. If you
>*really* wanted to you could media proxy via SER and potentially
>generate a second callid.. I tried doing this myself in a similar
>situation and realized it's more a pain than it's worth..
>
>-----Original Message-----
>From: Alexander Hoffmann [mailto:alexander.hoffmann at netgenius.de] 
>On Friday 14 January 2005 12:53, Klaus Darilion wrote:
>> What does hairpin in asterisk terminology mean?
>>
> Thus it is absolutely ok if there is an INV 
>from ISDN card1 -> going to SER -> returning to * -> terminated at ISDN 
>card2.
>You can easily configure * to route calls like this, but it will
>complain 
>about loops. If you comment out the loop detection in the source code 
>(because this is not a loop here) then Asterisk will run into a
>deadlock. I googled for a solution and saw people discussing similar
>issues and talking 
>about hairpins. IMHO: What ever you call this, it stays a bug in
>ASTERISK. 
>If you have any suggestions what to do, please let me know !
>
>Thanks,
>Alex
>
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--
Jiri Kuthan            http://iptel.org/~jiri/