asterisk users - Apr 2010 - More efficient dial plan for a list of selective inbound numbers

I have a list of CLIDs prefixes that I want to use in a context.

Basically, I want to do this but the list of prefix numbers is much longer.
List of prefixes (556,557,557,989.....)

[custom-inbound]
exten => _556,1,answer
exten => _556,n,playback(beep)

exten => _557,1,answer
exten => _557,n,playback(beep)

exten => _558,1,answer
exten => _558,n,playback(beep)

exten => _989,1,answer
exten => _989,n,playback(beep)

If there are like 100s of different prefixes, this list gets really big. Not
desired. How can I have a more efficient dialplan?

Thanks,
Bruce
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Use an AGI to do a database lookup and return a value

[custom-inbound]

Exten => s,1,AGI(lookup.agi,${EXTEN})

Exten => s,n,GotoIf($[${AGI_RETURN} = "blah"}?1:2)

 

I would recommend the built-in database for simplicity, but for hundreds of
numbers you are going to want either a compiled C agi and/or a "real"
database lookup.

 

 

  _____  

From: asterisk-users-bounces at lists.digium.com
[mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of bruce bruce
Sent: Thursday, April 22, 2010 4:03 PM
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: [asterisk-users] More efficient dial plan for a list of
selectiveinbound numbers

 

I have a list of CLIDs prefixes that I want to use in a context.

 

Basically, I want to do this but the list of prefix numbers is much longer.
List of prefixes (556,557,557,989.....)

 

[custom-inbound]

exten => _556,1,answer

exten => _556,n,playback(beep)

 

exten => _557,1,answer

exten => _557,n,playback(beep)

 

exten => _558,1,answer

exten => _558,n,playback(beep)

 

exten => _989,1,answer

exten => _989,n,playback(beep)

 

If there are like 100s of different prefixes, this list gets really big. Not
desired. How can I have a more efficient dialplan?

 

Thanks,

Bruce

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Catches 555 through 559:

exten => _55[5-9],1,answer
exten => _55[5-9],n,playback(beep)

http://www.voip-info.org/wiki/index.php?page=Asterisk+Dialplan+Patterns
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If all the dialplan follow the exact same patten, you may try use 
realtime and put the dialplan into mysql.

Just my 2 cents.

bruce bruce wrote:
> I have a list of CLIDs prefixes that I want to use in a context.
>
> Basically, I want to do this but the list of prefix numbers is much 
> longer. List of prefixes (556,557,557,989.....)
>
> [custom-inbound]
> exten => _556,1,answer
> exten => _556,n,playback(beep)
>
> exten => _557,1,answer
> exten => _557,n,playback(beep)
>
> exten => _558,1,answer
> exten => _558,n,playback(beep)
>
> exten => _989,1,answer
> exten => _989,n,playback(beep)
>
> If there are like 100s of different prefixes, this list gets really 
> big. Not desired. How can I have a more efficient dialplan?
>
> Thanks,
> Bruce
-- 
Jian Gao
IT Technician
SJ Geophysics Ltd. <http://www.sjgeophysics.com>
jian.gao at sjgeophysics.com <mailto:jian.gao at sjgeophysics.com>
Tel: (604)582-1100

bruce bruce wrote:
> I have a list of CLIDs prefixes that I want to use in a context.
> 
> Basically, I want to do this but the list of prefix numbers is much 
> longer. List of prefixes (556,557,557,989.....)
> 
> [custom-inbound]
> exten => _556,1,answer
> exten => _556,n,playback(beep)
> 
> exten => _557,1,answer
> exten => _557,n,playback(beep)
> 
> exten => _558,1,answer
> exten => _558,n,playback(beep)
> 
> exten => _989,1,answer
> exten => _989,n,playback(beep)
> 
> If there are like 100s of different prefixes, this list gets really big. 
> Not desired. How can I have a more efficient dialplan?
You could use a pattern match and then do a lookup in the database to see if the
prefix exists:

[custom-inbound]
exten => _XXX,1,Verbose(2,Lookup prefix ${EXTEN})
exten => _XXX,n,Set(PREFIX=${EXTEN})
exten => _XXX,n,Set(PREFIX_EXISTS=${ODBC_GET_PREFIX(${PREFIX})})
exten => _XXX,n,GotoIf($["${PREFIX_EXISTS}" =
"1"]?prefixAllowed,1:prefixDisallowed)

exten => prefixAllowed,1,Verbose(2,Prefix ${PREFIX} Allowed)
exten => prefixAllowed,n,Playback(beep)

exten => prefixDisallowed,1,Verbose(2,Prefix ${PREFIX} Disallowed)
exten => prefixDisallowed,n,Congestion()


func_odbc.conf

[GET_PREFIX]
dsn=<something setup in res_odbc.conf)
readsql=SELECT 1 FROM prefix_table WHERE prefix = '${ARG1}'


Or something like that (untested).

Leif.