[asterisk-users] SIP v IAX2

Olle E Johansson oej at edvina.net
Thu Oct 26 12:53:23 MST 2006


26 okt 2006 kl. 18.57 skrev Douglas Garstang:

>> -----Original Message-----
>> From: Dave Cotton [mailto:dcotton at linuxautrement.com]
>> Sent: Thursday, October 26, 2006 10:21 AM
>> To: Asterisk Users Mailing List - Non-Commercial Discussion
>> Subject: Re: [asterisk-users] SIP v IAX2
>>
>>
>> On Thu, 2006-10-26 at 17:43 +0200, Pavel Jezek wrote:
>>> with SIP qualify, I can specify, what time in delay I will accept,
>>> with sip and setting qualify=3000 I can circumvent this
>> anoying messages
>>> (bacause delay in reply is about 2000ms, and I accept 3000ms)
>>> with iax, qualify is working different, so setting
>> qualify=3000 will
>>> "ping" peer every 3s,
>>> quite inconsistent, imho
>>
>> So are you saying that in your world two different things, created by
>> totally different people, must have the same configuration settings.
>
> - You will find DUNDi configuration a lot easier with IAX, although  
> you can use SIP.
> - If you use SIP to route calls between Asterisk boxes, you will  
> lose your caller id as SIP uses the From: number to authenitcate  
> with. You will have to store the original caller id in an extra SIP  
> header, and then pluck it out an the other end, if you want to  
> preserve caller id. Yuck. IAX doesn't have this problem.

That is a configuration issue, not a protocol issue. You don't have  
to configure Asterisk that way.

/O


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