[Asterisk-Users] A solution for SIP and NAT

John Todd jtodd at loligo.com
Tue Jul 1 17:43:46 MST 2003


Yes, I have one location where there are a dozen or so behind the 
same NAT.  Things work fine for inbound and outbound.  I'm sure there 
is a theoretical limit based on what an 8 or 16 bit integer can hold, 
but I'm not worried about hitting that problem any time soon.

JT



>John,
>
>When you say you have SIP clients working behind NAT is this with ports
>mapped from a public ip to the phone? I.e. can many phones sit behind 1
>public ip and recieve incomming calls, and make outgoing calls?
>
>- Justin
>
>On Tue, 1 Jul 2003, John Todd wrote:
>
>>  Sorry, I still don't know what you're talking about.
>>
>>  Clients behind NAT can talk to Asterisk without difficulty, and I use
>>  that functionality all the time.  If that is not the case for you,
>>  I'm afraid you'll have to be much more specific about your problems
>>  for anyone to help you.  Despite many claims that SIP can't run
>>  behind a NAT without special configuration, I have proof that they're
>>  wrong.
>>
>  > JT
[snip]



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