asterisk users - Dec 2006 - RDNIS question

Perhaps I've got the whole concept wrong, but here goes:

Using 1.4, when someone from the outside dials my direct line (123456), 
I want it to call my extension at work (SIP/456), my extension in my 
home office (vpn connection to corporate lan, SIP/678) and my mobile 
(654321). So my dialplan is thus:

exten => 123456,1,Dial(SIP/456&SIP/678&Zap/G3c/07803654321,30)
exten => 123456,n(VMNoAnswer),Voicemail(${EXTEN}|su)
exten => 123456,n,Hangup()

this works well, with one exception: when I take the call on the mobile, 
the callerid info is the number of my switchboard. I presume that this 
is because I am dialling out from the switch board.

Enter RDNIS. I added an extra line to the dialplan

exten => 123456,1,Set(CALLERID(rdnis)=${CALLERID(number)})
exten => 123456,n,Dial(SIP/456&SIP/678&Zap/G3c/07803654321,30)
exten => 123456,n(VMNoAnswer),Voicemail(${EXTEN}|su)
exten => 123456,n,Hangup()

However, I get exactly the same result (callerid of the switchboard, not 
  the original caller). And yes, I did a reload ;)

Any help would be appreciated.

Julian

Julian Lyndon-Smith wrote:
> <snip>
> this works well, with one exception: when I take the call on the 
> mobile, the callerid info is the number of my switchboard. I presume 
> that this is because I am dialling out from the switch board.
>
> Enter RDNIS. I added an extra line to the dialplan
<snip>
2 issues here:
a. For PSTN, you should use Set(${CALLERID(num)}) to set your outgoing 
caller id.
b. Does your PSTN line allow you to set the outgoing caller id? If 
you're using analog, it's not possible. For ISDN (both BRI/PRI),
it's
usually possible if you subscribed to the feature. But, you're normally 
only allowed to set the caller ID to one of the numbers allocated to 
your ISDN line. You can't just set it to any arbitrary number (Note: 
might work if your local exchange is mis-configured).

Leo

It is my understanding that the caller id is what should be the number of
the caller and that "RDNIS" actually is the telephone number that was
dialed
when a call was redirected, IE: if you want to run some sort of voicemail
service you could use a single DID and know what mailbox to route the call
to. Ever forward your calls from a regular PSTN line or ISDN line to a GSM
mobile and notice that the mobile would indicate the call was forwarded?
That's RDNIS at work. What is your PSTN interface? If its analog lines you
won't be able to send anything else, if its a T1 or ISDN you need to make
sure your provider allows you to set your own caller id.

On 12/9/06, Julian Lyndon-Smith <asterisk@dotr.com>
wrote:
>
> Perhaps I've got the whole concept wrong, but here goes:
>
> Using 1.4, when someone from the outside dials my direct line (123456),
> I want it to call my extension at work (SIP/456), my extension in my
> home office (vpn connection to corporate lan, SIP/678) and my mobile
> (654321). So my dialplan is thus:
>
> exten => 123456,1,Dial(SIP/456&SIP/678&Zap/G3c/07803654321,30)
> exten => 123456,n(VMNoAnswer),Voicemail(${EXTEN}|su)
> exten => 123456,n,Hangup()
>
> this works well, with one exception: when I take the call on the mobile,
> the callerid info is the number of my switchboard. I presume that this
> is because I am dialling out from the switch board.
>
> Enter RDNIS. I added an extra line to the dialplan
>
> exten => 123456,1,Set(CALLERID(rdnis)=${CALLERID(number)})
> exten => 123456,n,Dial(SIP/456&SIP/678&Zap/G3c/07803654321,30)
> exten => 123456,n(VMNoAnswer),Voicemail(${EXTEN}|su)
> exten => 123456,n,Hangup()
>
> However, I get exactly the same result (callerid of the switchboard, not
>   the original caller). And yes, I did a reload ;)
>
> Any help would be appreciated.
>
> Julian
>
>
>
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