[Asterisk-Users] How can i convert number with exten

[Kevin Walsh]

Johannes van Hulst [Han.vanHulst at Terra.com.br] wrote:
> I am looking for a way to convert numbers so that I can use one standard
> for all the providers. 
> 
> For example
> I would like to dail 00 31 20 1234567
> And that convert to 0011 31 20 1234567 so that my VS provider understands
> it. 
> 
> How can I remove the 00 and replace it with 0011.
> 
You could use "0011${EXTEN:2}", which would strip the first two digits
("00", in this case) and add "0011" to the start.

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