[SIPForum-discussion] Knowing a SIP phone status

[Sukanta Ganguly]

Junaid,
     It is definetely doable but needs porgramming within the SIP  
stack level code. We did it on our own SIP software stack for WSDL  
based notifications to be sent out to the apps via app server.

SG

Sent from my iPhone

On Dec 15, 2009, at 1:49 AM, Junaid Abid <junaid.abid at gmail.com> wrote:

> Hi Everyone
>
> Thank you all for your responses.
>
> Intefaces like CSTA, TAPI are charged by PBX providers that is why i  
> am looking for a solution in SIP.
>
> What i need is that my app receives the calls from PBX, puts them on  
> hold, checks SIP phone (extension) is free and transfer the call to  
> the SIP phone when free?
>
> Is it possible using SIP? I have other solutions but I need to check  
> with you experts whether SIP offers something already? Something  
> like changing endpoints?
>
> Thanks for your help.
>
> Regards
>
>
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>
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