[Asterisk-Dev] nat

[harry gaillac]

Hello

What do you think of this mail to make it possible?
If an asterisk developper could advise me .


I don't know this part of Asterisk code sufficiently,
but you would need 
to hire a programmer for this anyway. Maybe you should
post a bounty 
into the Asterisk-Dev list I am sure one of these guys
would not mind 
picking it up if you place a bounty.

Another option that is obvious (I don't know SER) is
for SER to connect 
to Asterisk a if it was standard SIP phones - just
thinking loud...

jan

harry gaillac wrote:

>Could you tell me more please ?
>
>You understand than with host=dynamic in sip.conf
>asterisk use contact field in SIP  HF
>
>Regards
>Harry
>
>--- "janvb at caselaboratories.com"
><janvb at caselaboratories.com> a écrit :
>
>  
>
>>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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