[asterisk-users] alphabetical extension patterns

[Benjamin Jacob]

You The Man, Anselm. Thanks for the details.

Anselm Martin Hoffmeister wrote:

>Am Dienstag, den 11.09.2007, 17:11 +0530 schrieb Benjamin Jacob:
>  
>
>>Thanks Anselm. This does clears a few things for me.
>>Tho, I couldnt find the patterns you mentioned in the docs(do point me
>>to the location if you know of it).
>>    
>>
>
>I started on
>http://www.voip-info.org/wiki/index.php?page=Asterisk+Dialplan+Patterns
>
>Patterns have to begin with "_", meaning it is a pattern. A "." stands
>for "one or more characters", so I only allow three-and-more character
>SIP phone numbers like anselm at example.com, but not an at example.com. This
>is deliberate: I rather not have catchall-type phone numbers, I already
>get enough mail spam on the few catchall-addresses I have (well, for
>"historical" reasons - I once was small and stupid ;)
>
>  
>
>>About multiple domains, that is my target for sure.
>>I think the "domain"(in sip.conf) thing should come into help here,
>>where I associate a domain name to a context. I did try it once,
>>worked fine for a couple of test domains. But it seems I can't
>>associate one domain name to multple contexts. Am I correct?
>>    
>>
>
>You can specify one context for every domain your asterisk supports. On
>one of my machines, a sip.conf might look like
>8<==== sip.conf
>[general]
>bindport=5060
>bindaddr=0.0.0.0
>srvlookup=yes
>domain=main.example.com,sip-in-examplecom
>domain=private.example.org,sip-in-privateexampleorg
>domain=customer.example.net,sip-in-customerexamplenet
>====>8
>So calls coming in for someone at main.example.com are going through the
>sip.conf context "sip-in-examplecom".
>
>In extensions.conf, I would configure like this:
>8<==== extensions.conf
>[sip-in-domains]
>exten=>_...,1,Set(A=${DB(callroute/names/${EXTEN}@${DOMAIN})})
>exten=>_...,2,GotoIf($["A" = "A${A}"]?900)
>exten=>_...,3,Goto(localdialplan,${A},1)
>[sip-in-examplecom]
>exten=>_...,1,Set(DOMAIN=example.com)
>exten=>_...,2,Goto(sip-in-domains,${EXTEN},1)	
>[sip-in-privateexampleorg]
>exten=>_...,1,Set(DOMAIN=private.example.org)
>exten=>_...,2,Goto(sip-in-domains,${EXTEN},1)	
>[sip-in-customerexamplenet]
>exten=>_...,1,Set(DOMAIN=customer.example.net)
>exten=>_...,2,Goto(sip-in-domains,${EXTEN},1)	
>====>8
>
>This would require database entries for users like
>callroute/names/anselm at private.example.org => 201
>callroute/names/tomjones at customer.example.net => 661
>
>You can also have several domains map to the same users, e.g. you want
>example.com and main.example.com to be equivalent, so you just add
>another domain line to sip.conf, like
>domain=example.com,sip-in-examplecom
>
>You should be able to get around this multiple-context setup by using
>the variable ${SIPDOMAIN} and only one context, but this somehow did not
>work for me, so I came up with this solution. Play around, see if you
>get it running. For me, it has been like this for a while, and then, I
>try to avoid changing a running system. You could, for example, set all
>your domains to
>	domain=example.net,sip-in-domains
>and use
>exten=>_...,1,Set(A=${DB(callroute/names/${EXTEN}@${SIPDOMAIN})})
>
>which _should_ work just as well.
>
>You probably already found out that SRV records should be set for the
>domains that asterisk is going to handle, let me give an example:
>
>anselm at s2:~$ dig @localhost example.org any
>; (1 server found)
>;; global options:  printcmd
>;; Got answer:
>;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 52979
>;; flags: qr aa rd; QUERY: 1, ANSWER: 6, AUTHORITY: 0, ADDITIONAL: 1
>;; WARNING: recursion requested but not available
>
>;; QUESTION SECTION:
>;example.org.                        IN      ANY
>
>;; ANSWER SECTION:
>example-org.  604800  IN SOA ns1.example.net. root.example.org.
>			 2007060504 21600 3600 1209600 21600
>example.org.  604800  IN TXT "v=spf1 mx a:mxs.example.org -all"
>example.org.         604800  IN   MX  10 example.org.
>example.org.         604800  IN   A   81.12.999.999
>example.org.         604800  IN   NS  ns1.example.net.
>example.org.         604800  IN   NS  al25b.xi.yu.fiber.example.com.
>example.org.         604800  IN   NAPTR 60 50 "s" "SIP+D2U" ""
>                                        _sip._udp.example.org.
>;; ADDITIONAL SECTION:
>ns1.example.net.    604800  IN      A       81.12.999.999
>
>;; Query time: 5 msec
>;; SERVER: 127.0.0.1#53(127.0.0.1)
>;; WHEN: Sat Sep 15 11:38:14 2007
>;; MSG SIZE  rcvd: 269
>
>Where
>_sip._udp.example.org. 604800 IN SRV 10 10 5060 example.org.
>
>This is a setup with all web, mail and sip running on the same machine
>(IP addresses and domains changed, of course) - but you should be able
>to move things around so that those services actually can be run on
>different machines.
>
>  
>
>>Anything other to be done on Asterisk to support multiple domains?
>>    
>>
>
>Well, I think that is about enough ;-)
>
>BR
>Anselm
>
>
>
>  
>


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