asterisk users - Nov 2005 - How to dial direclty from PBX extension to IP phone

Hi All,

Iam having a asterisk PBX with 2 TDM04B cards. one card use to dial out side
(PSTN) and other card is used to dial office normal PBX extensions. now i
have a IVR. and if my users (normal pbx user) need to dial to IP extension.
he has to to dial a specific extension and at the IVR prompt need to dial
SIP extension. but this is time consuming...
as a example say i have a SIP extension 123.  and users at normal PBX can
reach the asterisk IVR by pressing 111. IS IT POSSIBLE TO DIAL 111123
direcly to sip extension from normal PBX extension. if so..how to do
that....
really appriciate if some one can guide me..
thanks in advance
Tharanga

try this

exten => _111XXX,1,Dial(SIP/${EXTEN:3},30)




On 11/4/05, Tharanga <tharanga@roomsnet.com>
wrote:
> Hi All,
>
> Iam having a asterisk PBX with 2 TDM04B cards. one card use to dial out
side
> (PSTN) and other card is used to dial office normal PBX extensions. now i
> have a IVR. and if my users (normal pbx user) need to dial to IP extension.
> he has to to dial a specific extension and at the IVR prompt need to dial
> SIP extension. but this is time consuming...
> as a example say i have a SIP extension 123.  and users at normal PBX can
> reach the asterisk IVR by pressing 111. IS IT POSSIBLE TO DIAL 111123
> direcly to sip extension from normal PBX extension. if so..how to do
> that....
> really appriciate if some one can guide me..
> thanks in advance
> Tharanga
>
>
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> Iam having a asterisk PBX with 2 TDM04B cards. one card use to dial out
side
> (PSTN) and other card is used to dial office normal PBX extensions. now i
> have a IVR. and if my users (normal pbx user) need to dial to IP extension.
> he has to to dial a specific extension and at the IVR prompt need to dial
> SIP extension. but this is time consuming...
> as a example say i have a SIP extension 123.  and users at normal PBX can
> reach the asterisk IVR by pressing 111. IS IT POSSIBLE TO DIAL 111123
> direcly to sip extension from normal PBX extension. if so..how to do
> that....
It _might_ be possible, but is 100% dependent upon the capabilities of the
normal pbx.

If you can program the normal pbx to accept 111 plus another three digits,
then insert two or three second pause between the 111 and 123, you might
be able to accomplish your goal. The likelihood of that kind of
programmability in older/normal pbx's is pretty slim.

What you are trying to accomplish is the implementation of a "trunk"
between
asterisk and the normal pbx. Current day trunks generally involve a T1 or
PRI connection between the two boxes, and features like DID implemented
on top of that T1/PRI.

The TDM04B card was designed to interface with dumb pstn lines, and
it does not support DID type functions. (There's no reason why it can't,
its just the software necessary to do it does not currently exist.)

Without knowing exactly what type of "normal pbx" you have, no one can
even guess at what type of implementation is possible. Personally, I 
don't follow what features are available in the current models of
pbx's, and never made any attempt to memorize what was available in
the older models.