[Asterisk-Users] open letter

[janvb at caselaboratories.com]

Sounds to me as what you want to do require 'a few' code changes to 
Asterisk. Maybe I am wrong, but this might take some work to get right.

Jan
harry gaillac wrote:

>Hello open(ser) asterisk users
>
>Here is what i expect to do :
>
>Asterisk: registrar with public ip port=5050
>open(ser): outbound proxy with public ip port=5060
>
>
>Asterisk don't support IM and presence so i want to
>use SER because of it's a good proxy:
>
>I want user agents behind nat send registration to
>asterisk because of it's an ipbx :-)
>
>Look at this diagram when user agent behind nat send
>REGISTER to ser 
>the contact field in sip header has a private address
>which one is forward to asterisk for registration.
>
>When user agent are registered in asterisk AOR is
>sip:user at private ip so asterisk query 
>"sip:user at private" behind nat (not possible).
>
>How a session between two user agents behind nat could
>keep in the path
>
>        |register |            | register   |  agent1 
>asterisk|         |ser/nat box |            |
>        | 200 OK  |            |    200 OK  |  agent2 
>
>
>              One box
>     ---------------------------
>     |  ----------------       |
>     |  | asterisk pbx |       | 
>     |  ----------------       |
>     |        ||               |
>     |  ----------    ----------
>     |  |   SER  |====|NAT box |==== private network
>     |  ----------    ----------
>     ---------------------------
>
>Send me your questions if you don't understand what i
>expect to do .
>
>Harry
>
>
>
>
>	
>
>	
>		
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