[asterisk-users] SIP_HEADER function; what names are available?

[Ricardo Carvalho]

Any news on this thread? I also need to know the way to get the R-URI 
from sip INVITE messages received by Asterisk, through ${SIP_HEADER()}.

Thanks in advance,
Ricardo.






kjcsb wrote:
>>> I have read the wiki about the SIP_HEADER function (http://www.voip- 
>>> info.org/wiki/index.php?page=Asterisk+func+sip_header). Where can I  
>>> get a list of the names that are available to be used with the  
>>> function e.g. TO is one name as in ${SIP_HEADER(TO)}. What are the  
>>> others?
>>>
>>
>> I would guess that you can check the RFC. Easier is to turn on SIP  
>> debug and see the INVITE packet yourself and
>> check the headers that you have with your equipment.
>>
>> /Olle
>>
> Thanks but I don't know how to get the actual INVITE details (the 
> request URI?). For example I want to get sip:95556789 at 60.234.xxx.xxx 
> SIP/2.0 from the following dialogue:
>
> INVITE sip:95556789 at 60.234.xxx.xxx SIP/2.0
> Record-Route: <sip:147.202.nn.nnn;ftag=bf7eced18eb7271b;lr=on>
> Via: SIP/2.0/UDP 147.202.nn.nnn;branch=z9hG4bKe49c.21b320a3.0
> Via: SIP/2.0/UDP 60.234.nnn.nnn;branch=z9hG4bK76bf3dec8d45b972
> From: "User" <sip:1122334455 at proxy.domain.com>;tag=bf7eced18eb7271b
> To: <sip:5556789 at domain.com>
>
> etc
>
> I can get Record-Route, Via, From, To etc but don't know how to get 
> the bit after the INVITE. Interestingly only the first Via is returned 
> by ${SIP_HEADER(VIA)}.
>
> I've tried R-URI, RURI, URI, ALL, *, blank.
>
> Any advice appreciated.
>
> Cameron
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