[OpenSIPS-Users] Call Spy in opensips

[Bogdan-Andrei Iancu]

Hi Flavio,

That's not much of a LI if you need cooperation from the devices you are 
"listening" ;)... I would see it as transparent as possible (and 
invisible for the parties).

Regards,
Bogdan

Flavio Goncalves wrote:
> Hi Indiver,
>  
> There is another option but depends on the phone. Some phones support 
> the SIP "Join" header as defined in the rfc3911. There are some phones 
> that support it such as  Aastra and Atcom. I haven't checked Polycom 
> and Linksys but I think they support too.  Basically you will need to 
> get the dialog information from the call you want to barge-in. You can 
> do it with the dialog module, then you will need to call the phone you 
> want to barge-in and use OpenSIPS to include the join header with the 
> proper dialog information, Call-ID, To Tag, Form tag and Cseq. Read 
> the RFC3911 for more details.
>  
> Best regards,
>  
> Flavio E. Goncalves
>
> 2010/5/24 Indiver <nehru.indu at gmail.com <mailto:nehru.indu at gmail.com>>
>
>
>     Hi Bodgan,
>
>     Thanks for ur reply. I want to hear the live conversation between two
>     parties  , not the completed call. Is there any chance of doing it in
>     opensips.
>
>     Regards,
>     Indiver
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-- 
Bogdan-Andrei Iancu
www.voice-system.ro