[asterisk-dev] Inquiry:Asterisk support KPML?

[Zoa]

Zoiper supports KPML in the business version, but i don't really see any 
purpose for KPML other than interop with cisco callmanager, without the 
need for server side configuration changes.

Zoa



Pavel Troller wrote:
>> On Wed, Jan 6, 2010 at 8:19 AM, Olle E. Johansson <oej at edvina.net> wrote:
>>
>>     
>>> 6 jan 2010 kl. 08.04 skrev hadi motamedi:
>>>
>>>       
>>>> Dear All
>>>> Can you please confirm if Asterisk supports KPML or not?
>>>>         
>>> Not.
>>>
>>> Why would you need KPML? What's the application for it?
>>>
>>> For the rest: KPML is a standard for monitoring of DTMF keypresses in a
>>> remote media stream.
>>>
>>> /O
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>> Sorry . I want to send the sip dialed digits in one-by-one digit basis . I
>> mean if the subs dials 6659983 the dialed digits are being sent as
>> 6,6,5,9,9,8,3 but not 6659983 in just one invite package . Can you please
>> confirm if for such an application the KPML is really needed or not? How can
>> I implement this scenario?
>>     
>
> Hi!
>   You don't need to use KPML for this, it works perfectly, if the SIP UA is
> able to cooperate.
>   This scenario can be implemented very easily:
>   1) SIP UA calls a pre-defined SIP URI (typical example: sip:s at asterisk), most
>      SIP UAs have a "hotline" feature allowing such a thing.
>   2) An "s" extension is started on the Asterisk side, which can do any tricks
>      required to receive further dialling (WaitExten(), Incomplete(), DISA(),
>      Read()...). You can mix it with playing tones, announcements etc, or you
>      can keep it silent to simulate a classic PBX behaviour.
>   3) Once the dialling is complete, the extension logic routes the call out
>      to some particular extension. 
>   What you need, is to make asterisk to send 183 Session Progress with SDP,
> thus establishing the media stream. A simple call to Progress() in the dialplan
> makes it.
>   Some UAs are not able to dial (via RFC2833 or INFO) prior answer (200 OK),
> but most of them are. The only poor devices I know they cannot dial before
> answer is a family of Gigaset VoIP/DECT phones, they have a stupid firmware,
> they just emit a "can't do" sound when you try to dial onto a non-answered
> call. 
>   I hope this helps.
>     With regards, Pavel.
>
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