On 15 Feb 2005, at 05:44, Rod Bacon wrote:
Some more info on my problem that someone may be able to explain.
The debug information (shown below), lists the LENGTH of the CallerID string
as 14 characters, even though I'm only sending 10. I belive that this is the
problem. My telco's equipment is looking for 10 characters only. Any ideas
where these extra 4 characters are coming from?
Calling Number (len=14) [ Ext: 0 TON: National Number (2) NPI:ISDN/Telephony Numbering Plan (E.164/E.163) (1)Presentation: Presentation permitted, user number passed network screening(1) '0386172169'
I think the 'extra' bytes are part of the data structure, and perfectly normal. I'm basing this remark on a very quick look at the source code.
in dump_called_party_number() in llibpri/q931.c it says:
q931_get_number(cnum, sizeof(cnum), ie->data + 1, len - 3);
Which looks like the first byte and the last 3 bytes are protocol surrounding the actual number.
My best advice is to call your PTT and ask them how many digits they expect you to send, I am guessing they only expect the last 2, but only they know for sure.
If I get the time I'll do a debug on my E1 PRI span later today and send you the results.
Tim.
http://www.westhawk.co.uk/
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