[Freeswitch-users] Routing DIDs to Dynamically Registered SIP User

David Allen thedjallen at gmail.com
Tue Oct 12 16:08:10 PDT 2010


  Hi David,

     On other soft-switches I've worked with in the past I have been 
able to do this. Some of the PBX's which specifically use the Invite URI 
rather than to TO include Asterisk, Zultys and a few others and also 
Gateways such as a Quintum.

Regards,
David

On 12/10/2010 5:24 PM, David Ponzone wrote:
> I really don't think it is as:
> 1/ i was not able to find a parameter to alter the INVITE URI
> 2/ FS itself has a parameter to change the behaviour and use the SIP 
> To instead of the INVITE URI as the destination_number, so it would 
> tend to prove that it's the other party's job to use the right field.
>
> David (Allen, I am not talking to myself :) ), can you give us some 
> examples of PBXs who rely only on the INVITE URI ?
> Are you sure they don't have a parameter to change that ?
>
> David Ponzone Direction Technique
> email: david.ponzone at ipeva.fr <mailto:david.ponzone at ipeva.fr>
> tel:      01 74 03 18 97
> gsm:   06 66 98 76 34
>
> Service Client IPeva
> tel:      0811 46 26 26
> www.ipeva.fr <BLOCKED::http://www.ipeva.fr/>  - www.ipeva-studio.com 
> <BLOCKED::http://www.ipeva-studio.com/>
>
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>
> Le 12/10/2010 à 07:18, Michael Collins a écrit :
>
>> Ah, I was reading too much into that.
>>
>> If I understand correctly you need to send the INVITE to the actual 
>> endpoint, but you need the target URI be the same as the URI in the 
>> To: field? Is that even legal in SIP? (Not that legal matters since 
>> vendors do whatever they want anyway...)
>>
>> -MC
>>
>> On Mon, Oct 11, 2010 at 3:59 PM, David Allen <thedjallen at gmail.com 
>> <mailto:thedjallen at gmail.com>> wrote:
>>
>>     Hi Michael,
>>
>>     Its a SIP UA that registers locally to Freeswitch.
>>
>>     Regards,
>>     David
>>
>>     On Tue, Oct 12, 2010 at 9:51 AM, Michael Collins
>>     <msc at freeswitch.org <mailto:msc at freeswitch.org>> wrote:
>>     > What is a "dynamically registered SIP user"?
>>     > -MC
>>     >
>>     > On Thu, Oct 7, 2010 at 10:32 PM, David Allen
>>     <thedjallen at gmail.com <mailto:thedjallen at gmail.com>> wrote:
>>     >>
>>     >>  Hi,
>>     >>
>>     >> I'm trying to send multiple Direct Indial Numbers down to a
>>     dynamically
>>     >> registered SIP User. I need to ensure that both the To and
>>     Target URI
>>     >> contain the direct Indial number. I'm able to modify the SIP
>>     TO Header
>>     >> of a call that is sent to them like below:
>>     >>
>>     >> <action application="bridge"
>>     >> data="sofia/external/56778977%${domain}^61390009000"/>
>>     >>
>>     >> which sends the request as:
>>     >>
>>     >>
>>     >>
>>     ------------------------------------------------------------------------
>>     >>
>>     >>    INVITE sip:56778977 at 192.168.22.2:5061
>>     <http://sip:56778977@192.168.22.2:5061> SIP/2.0
>>     >>
>>     >>    Via: SIP/2.0/UDP 202.0.155.73;rport;branch=z9hG4bKXeND9cHtgKF2j
>>     >>
>>     >>    Max-Forwards: 69
>>     >>
>>     >>    From: "0390001000" <sip:0390001000 at 192.168.2.200
>>     <mailto:sip%3A0390001000 at 192.168.2.200>>;tag=K4HHaZ9v1H07Q
>>     >>
>>     >>    To: <sip:61390009000 at 192.168.2.200
>>     <mailto:sip%3A61390009000 at 192.168.2.200>>
>>     >>
>>     >>  But in order to maintain compatability with a number of
>>     PBX's/VoIP
>>     >> devices on the market, I need to be able to send the invite to the
>>     >> dynamically registered SIP user, however have it set the
>>     Target URI and
>>     >> To as the same contact number like below:
>>     >>
>>     >>
>>     >>
>>     ------------------------------------------------------------------------
>>     >>
>>     >>    INVITE sip:61390009000 at 192.168.22.2:5061
>>     <http://sip:61390009000@192.168.22.2:5061> SIP/2.0
>>     >>
>>     >>    Via: SIP/2.0/UDP 202.0.155.73;rport;branch=z9hG4bKXeND9cHtgKF2j
>>     >>
>>     >>    Max-Forwards: 69
>>     >>
>>     >>    From: "0390001000" <sip:0390001000 at 192.168.2.200
>>     <mailto:sip%3A0390001000 at 192.168.2.200>>;tag=K4HHaZ9v1H07Q
>>     >>
>>     >>    To: <sip:61390009000 at 192.168.22.2:5061
>>     <http://sip:61390009000@192.168.22.2:5061>>
>>     >>
>>     >> Is there a way to do this setting via variables? I can't seem
>>     to find
>>     >> any details for it.
>>     >>
>>     >> Thanks
>>     >>
>>     >> David
>>     >>
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