> I am using a IAX trunk from Gradwell.
>
> I have tried the following
>
> exten => _X.,n,NoOp(${CALLERID(dnid)})
> exten => _X.,n,NoOp(${DNID})
>
> to no avail. I understand that
>
> exten => _X.,n,NoOp(${SIP_HEADER(TO)})
>
> may have worked if I were using a SIP trunk. But I am not. :-(
>
> Any advice appreciated.


I turned on IAX2 debugging and the info I want is displayed - I just need to
get it into a variable!

Rx-Frame Retry[ No] -- OSeqno: 000 ISeqno: 000 Type: IAX Subclass: NEW
Timestamp: 00013ms SCall: 00004 DCall: 00000 [193.121.201.100:4569]
VERSION : 2
CALLED NUMBER : 01753208000
CODEC_PREFS : ()
CALLING NUMBER : 07962404466
CALLING PRESNTN : 0
CALLING TYPEOFN : 0
CALLING TRANSIT : 0
CALLING NAME :
LANGUAGE : en
USERNAME : abcuser
FORMAT : 8
CAPABILITY : 65407
ADSICPE : 2
DATE TIME : 2007-09-28 21:44:30