[Kamailio-Users] Kamailio 1.5.1 on Amazon EC2

[Alex Balashov]

Raúl Alexis Betancor Santana wrote:
> On Monday 08 June 2009 21:28:05 Pascal Maugeri wrote:
>> Hi
>> We installed Kamailio 1.5.1 on a Amazon EC2 Fedora Core 9 image.
>>
>> As you may know EC2 maps a public IP address to a private IP address of the
>> image, hence there is a kind of NAT. It looks presence does not work
>> because of this. We'll try to make use of the NATHelper module ASAP.
>>
>> Except this point, everything looks to work pretty well.
>>
>> Does anybody has some experience with EC2 here ?
> 
> I have not played with EC2 ... but if what they give you is a private IP, you 
> will have to face to many NAT problems before you get kamailio running on 
> that enviroment.

Agreed.

It's OK to have SIP *clients* behind NAT;  having SIP *servers* behind 
NAT, on the other hand, can prove to be an insurmountably difficult 
problem, which is why strong recommendations against it are issued with 
such regularity and force.

-- 
Alex Balashov
Evariste Systems
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