Re: [asterisk-users] Setting up an outgoing trunk group
On Tuesday, January 20, 2009, Darrin Henshaw wrote:
I would use the ${DIALSTATUS} variable. In your dialplan dial the
first trunk you wish, then afterwards examine the ${DIALSTATUS}
variable. If that is not equal to ANSWER then dial your second trunk
and so on.
For example:
exten = s,1,Dial(ZAP/1/${EXTEN})
exten = s,n,ExecIf($[${DIALSTATUS} != ANSWER]|Dial|(SIP/out1/${EXTEN})
exten = s,n,ExecIf($[${DIALSTATUS} != ANSWER]|Dial|(SIP/out2/${EXTEN})
That's kind of rough but it should work.
Thanks for the reply.
That might be a fallback if all else fails. However, it would be messy
to maintain. I'm also unsure what would happen if the first trunk was
available and the user hung up before the call was answered. Does
hanging up terminate processing? If not, would not DIALSTATUS be set
to CANCEL and thus the next trunk be dialled, etc?
For various reasons, I might need to change the channel order every
couple of days. With this in mind, I'd like to have a series of
variable definitions in the globals context of the dialplan with all
but one commented out. This is what I currently have:
UKGeo=Zap/1
;UKGeo=SIP/out1
;UKGeo=SIP/out2
and then later in the dialplan:
[uk_geo]
exten = _01.,2,Dial(${UKGeo}/${EXTEN})
exten = _02.,2,Dial(${UKGeo}/${EXTEN})
With your strategy, those few lines in the dialplan would expand
massively. I could simplify things a little by defining various
versions of three variables to use in the dialplan but even that's
messy and not ideal. Added to that my dialplan has sections for
outgoing calls to my local area, UK geographical, UK national rate, UK
lo-call, UK free, UK mobiles, UK personal, UK premium rate, Emergency,
and two international zones. Also, what if I want to add or remove a
trunk from the list? So it could get very messy.
This is why I hoped I'd missed something and that the Dial()
application had a syntax to use the first available trunk from a list.
However, I suspect that I need to create that functionality with a
dialplan function or macro - but I'll need to figure out how to split
a list to do that!
Thanks again,
--
Geoff
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[asterisk-users] Setting up an outgoing trunk group
Hi All,
I'm confused! My Asterisk system has a Zap trunk and three SIP trunks.
I'd like to configure the dialplan to route via the first trunk in a
list and if that's not available or it's busy, fall over to the
second, then to the third, etc.
AIUI Dial(Zap/1SIP/out1SIP/out2/${EXTEN}) rings all the trunks in
the list and bridges to the first to answer. Unfortunately, that's not
what I want, which is (in pseudocode):
if Zap/1 is available then
Dial(Zap/1/${EXTEN})
elseif SIP/out1 is available then
Dial(SIP/out1/${EXTEN})
else
Dial(SIP/out2/${EXTEN})
end if
Also, to make it easier to reconfigure quickly, I've got a variable
defined in [globals] thus:
MainOutbound=Zap/1SIP/out1SIP/out2
so the Dial statement above would be written in the dialplan thus:
Dial(${MainOutbound}/${EXTEN})
So if I can't find the syntax to get the Dial application to do what I
want I guess I'd need to use a dialplan function or AGI.
Can anyone help?
TIA,
--
Geoff
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Re: [asterisk-users] Setting up an outgoing trunk group
I would use the ${DIALSTATUS} variable. In your dialplan dial the first trunk
you wish, then afterwards examine the ${DIALSTATUS} variable. If that is not
equal to ANSWER then dial your second trunk and so on.
For example:
exten = s,1,Dial(ZAP/1/${EXTEN})
exten = s,n,ExecIf($[${DIALSTATUS} != ANSWER]|Dial|(SIP/out1/${EXTEN})
exten = s,n,ExecIf($[${DIALSTATUS} != ANSWER]|Dial|(SIP/out2/${EXTEN})
That's kind of rough but it should work.
Cheers,
Darrin Henshaw | IT Administrator | MCTS: Exchange 2007 | MCSE 2003 | LPIC
Ignition Support Center | www.ignition.bm
Bermuda (441) 496-4319 | Cayman (345) 947-4357 | Halifax (902) 482-1288
Atlanta | Bermuda | Cayman | Halifax
-Original Message-
From: asterisk-users-boun...@lists.digium.com
[mailto:asterisk-users-boun...@lists.digium.com] On Behalf Of Geoff Lane
Sent: Tuesday, January 20, 2009 13:31
To: Asterisk Users
Subject: [asterisk-users] Setting up an outgoing trunk group
Hi All,
I'm confused! My Asterisk system has a Zap trunk and three SIP trunks.
I'd like to configure the dialplan to route via the first trunk in a
list and if that's not available or it's busy, fall over to the
second, then to the third, etc.
AIUI Dial(Zap/1SIP/out1SIP/out2/${EXTEN}) rings all the trunks in
the list and bridges to the first to answer. Unfortunately, that's not
what I want, which is (in pseudocode):
if Zap/1 is available then
Dial(Zap/1/${EXTEN})
elseif SIP/out1 is available then
Dial(SIP/out1/${EXTEN})
else
Dial(SIP/out2/${EXTEN})
end if
Also, to make it easier to reconfigure quickly, I've got a variable
defined in [globals] thus:
MainOutbound=Zap/1SIP/out1SIP/out2
so the Dial statement above would be written in the dialplan thus:
Dial(${MainOutbound}/${EXTEN})
So if I can't find the syntax to get the Dial application to do what I
want I guess I'd need to use a dialplan function or AGI.
Can anyone help?
TIA,
--
Geoff
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