asterisk users - Feb 2010 - Caller ID question

Hiya - quick question..

When an external call is answered by an extension and the person answering the
call wants to forward it to a different extension, is there any way to change
the caller ID when the call is transferred?

If someone is transferring a call to me, I see the caller ID of the other person
in the office. When the call is transferred, could the caller ID be set back to
the caller ID of the original incoming call? Staff members here often want to
see the number of the last person they spoke to but when they check the call
history on the (snom) phone, all they can see is the extension of the person
that forwarded the call to them..

I doubt it's possible but thought I'd check

Thanks,
Will

What you need to do is set a channel variable with callerid(num) from the
external number, then reset callerid(num) whenever you do an internal dial
to transfer - something like this

[from-pstn]
Exten => s,1,answer
Exten => s,n,Set(passcallID=callerid(num))

[transfer]
Exten => s,1,set(callerid(num)=${passcallID})
Exten => s,n,dial(SIP/123)


-----Original Message-----
From: asterisk-users-bounces at lists.digium.com
[mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Will Payne
Sent: Monday, February 22, 2010 9:31 AM
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: [asterisk-users] Caller ID question


Hiya - quick question..

When an external call is answered by an extension and the person answering
the call wants to forward it to a different extension, is there any way to
change the caller ID when the call is transferred?

If someone is transferring a call to me, I see the caller ID of the other
person in the office. When the call is transferred, could the caller ID be
set back to the caller ID of the original incoming call? Staff members here
often want to see the number of the last person they spoke to but when they
check the call history on the (snom) phone, all they can see is the
extension of the person that forwarded the call to them..

I doubt it's possible but thought I'd check

Thanks,
Will
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