On Tue, 23 Jan 2007, Ed W wrote:
Can I ask for some advice on dial-plan construction please
I have setup my dialplan to use 9 to get a zap trunk, leaving everything else
for internal extensions.
However, this creates a problem in that my callerid is correct, but doesn't
work to re-dial the incoming caller. So if I simply click "missed calls" on
my Snom phone and hit redial then it tries to dial an internal extension.
So I then setup Asterisk to add a "9" to the incoming callerid for all calls
which come via the Zap trunk, but now this creates some issues with
applications like Snapanumber and perhaps HudLite, which are trying to map
the caller ID to numbers in the addressbook (and I don't really want my
internal Outlook address books to have everyone listed with a "9" in front of
their number)
How are others handling this?
There was a thread about this not too long ago, so the archives may have a
bit more on it...
The way I handle it is by forcing the caller to dial the full number
starting with zero (normally 10 or 11 digits in the UK - which I'm
guessing you're from too)
Zero is the new "9" ;-)
This mimics the way mobile phones work here too where you need to dial the
full number with the leading zero, even if you'd think it's a "local"
call. Incoming caller-id always provides you with the full 10 or 11 digit
number with the zero (or with the country code prefix when that works)
The ability to dial the full number in the UK has been avalable for some
years now...
In my dialplan I look for a leading zero, and when I see one, after
premissions checks, etc. I just route the outgoing call with the zero to
the relevant zap device.
I just tell my clients that they now have to dial the full number
including STD code - just like they do on their mobiles.
I still provide a traditional '9' for an outside line though - there are a
few numbers in the UK that don't start with a leading 0 - 'operator'
(100), directory enquriries (118xxx) and a few others for reporting
faults, last number dialled and so on. So if they like they can dial 9
then the 5 or 6 digit "local" number, or just dial 0 for everything.
Don't forget to add rules for 999 (and 9999) to force out-dialling to 999
via a Zap line...
And I guess you could eliminate the leading 9 too, if you had explicit
entries in the dialplan for these non-zero numbers (or to deny them!)
Gordon
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