[cisco-voip] Dealing with + in destination patterns

[Ryan West]

Michael,

I went with a combination of your second example below and the reference that Terry gave early.  We use something similar for expanding out long distance calls.  The end result was a mix to present 11 digits as the called number and 10 digits as the calling.

voice translation-rule 5
 rule 1 /^\+1\(.*\)/ /\1/
!
voice translation-rule 6
 rule 1 /\+/ //
!
voice translation-profile e164-in
 translate calling 5
 translate called 6
!
test voice translation-rule 6 +12145551212
Matched with rule 1
Original number: +12145551212   Translated number: 12145551212

test voice translation-rule 5 +12145551212
Matched with rule 1
Original number: +12145551212   Translated number: 2145551212

Thanks again for the responses.

-ryan

From: Michael Thompson [mailto:mthompson729 at gmail.com]
Sent: Sunday, September 21, 2008 1:26 PM
To: 'Wes Sisk'; Ryan West
Cc: cisco-voip at puck.nether.net
Subject: RE: [cisco-voip] Dealing with + in destination patterns

Shouldn't you be able to use something akin to 'rule 1 /^.*/ /........./'

Another way I'm thinking may work is using the \ to ignore the special meaning of the +, something like 'rule 1 /\+/ //' could match the + char only and replace it with a null, leaving the 10 digit number.  See translation character rule below (assuming it comes through clearly).

Granted a little simplistic, but the first captures any number of digits and then the output is 10 digits.  Only thing I don't know without research is whether the + is a 'captured' character.

Excerpt from: http://www.cisco.com/en/US/tech/tk652/tk90/technologies_configuration_example09186a00803f818a.shtml

The voice translation rules use characters similar to Regular Expression Syntax (regexp). But, there are some minor differences and limitations. Most of the limitations are of no real concern since only digit manipulation is performed.
Voice Translation Rule Character

Description

^

Match the expression at the start of a line.

$

Match the expression at the end of the line.

/

Delimiter that marks the start and end of both the matching and replacement strings.

\

Escape the special meaning of the next character.

-

Indicates a range when not in the first/last position. Used with the'[' and ']'.

[list]

Match a single character in a list.

[^list]

Do not match a single character specified in the list.

.

Match any single character.

*

Repeat the previous regexp zero or more times.

+

Repeat the previous regular expression one or more times.

?

Repeat the previous regular expression zero or one time (use CTRL-V in order to enter in IOS).

()

Groups regular expressions.


________________________________
From: cisco-voip-bounces at puck.nether.net [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Wes Sisk
Sent: Friday, September 19, 2008 5:48 PM
To: Ryan West
Cc: cisco-voip at puck.nether.net
Subject: Re: [cisco-voip] Dealing with + in destination patterns

maybe use 'forward-digits' command to use only the last 10 digits?

On 9/19/2008 5:31 PM, Ryan West wrote:
What's the best way to deal with a full e.164 number coming from a SIP provider.  I am receiving +1 with the remaining 10 digits following.  The only dial-peer that seems to match is the catchall .T.  I have tried creating a translation-profile to rewrite the number, but the + symbol is not permitted.

Thanks guys,

-ryan










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