[Freeswitch-users] NPDI tel URI parameters appearing in SIP URI

[Victor Chukalovskiy]

Did a bit more testing today.

<action application="bridge" 
data="sofia/test_profile/*sip:6135555555;npdi=yes*@24.114.15.50:5060"/> 
gives what I need as per WiKi:
INVITE sip:6135555555;npdi=yes at 5.6.7.8:5060 SIP/2.0

But here is a caveat: this is not gateway! I do need to use gateway in 
the bridge app (because of OPTIONS PING that determines if gateway is up 
or down). So, I try:

<action application="bridge" 
data="sofia/gateway/test_gateway/6135555555;npdi=yes"/> This is no good, 
;npdi=yes moved in to the domain part:
INVITE sip:6135555555 at 5.6.7.8:5060*;npdi=yes* SIP/2.0

Also, tried this:
<action application="bridge" 
data="sofia/gateway/test_gateway/sip:6135555555;npdi=yes"/> But this is 
no good either. Looks like sip: syntax does not work with gateways:
INVITE *sip:sip:*6135555555 at 5.6.7.8:5060*;npdi=yes* SIP/2.0

----------------
So, my immediate question is, is there a way to use sip: syntax when 
bridging to a gateway?
----------------
And on a broader scale, something along these lines:
http://freeswitch-users.2379917.n2.nabble.com/generating-RFC-3966-and-RFC-4694-calls-td2544806.html
Was there much work done since then on RFC3966 and RFC4694 support in 
FS? Ideally, that would be something that's parsed as channel variable 
on incoming call and can be manipulated as a channel variable on the 
outgoing call. FS would take care of parsing tel URI on incoming and 
putting it together on the outgoing.

-Victor


On 02/20/2013 03:32 AM, Avi Marcus wrote:
> Ah sorry, I should have read your question more carefully!
> -Avi
>
>
> On Wed, Feb 20, 2013 at 6:43 AM, Victor Chukalovskiy 
> <victor.chukalovskiy at gmail.com <mailto:victor.chukalovskiy at gmail.com>> 
> wrote:
>
>     Avi,
>
>     I know this part of the WiKi....thank you but I don't think it
>     helps here.
>
>     -Victor
>
>
>     On 02/19/2013 07:25 PM, Avi Marcus wrote:
>>     You'll have to use a regex and capture it manually.
>>     See:
>>     http://wiki.freeswitch.org/wiki/Regular_Expression#LNP_.28Local_Number_Portability.29
>>
>>     -Avi
>>
>>     On Wed, Feb 20, 2013 at 12:25 AM, Victor Chukalovskiy
>>     <victor.chukalovskiy at gmail.com
>>     <mailto:victor.chukalovskiy at gmail.com>> wrote:
>>
>>         Hello,
>>
>>         SIP call comes on leg A as following:
>>         INVITE sip:6135555555
>>         <tel:6135555555>*;npdi=yes*@1.2.3.4:5060
>>         <http://1.2.3.4:5060> SIP/2.0
>>
>>         ${destination_number} var becomes "6135555555
>>         <tel:6135555555>;npdi=yes"
>>
>>         On leg B I send the call to gateway using unaltered
>>         ${destination_number}:
>>         <action application="bridge"
>>         data="sofia/gateway/test_gw/${destination_number}"/>
>>
>>         I see the following on leg B:
>>         INVITE sip:6135555555 at 5.6.7.8:5060
>>         <mailto:sip:6135555555 at 5.6.7.8:5060>*;npdi=yes* SIP/2.0
>>
>>         So, FS moved ";npdi=yes" which is a tel URI parameter into
>>         the very end as if it was a SIP URI parameter. Such behavior
>>         does not seem correct. Is this a bug? Found the following
>>         implementation discussion:
>>         http://comments.gmane.org/gmane.ietf.sip-implementors/21554
>>
>>         Please help to make FS send tel URI parameters unaltered
>>         using bridge application and a gateway. WiKi for bridge
>>         dial-plan tool has some examples but it does not make use of
>>         gateway and I need to use gateway.
>>
>>         Thank you,
>>         Victor
>>
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