[Users] textops regular expression matching = subst to replace from field

Bogdan-Andrei Iancu bogdan at voice-system.ro
Wed Jan 18 12:26:46 CET 2006


Hi Neill,

there are two issues with what you are trying to do:
    1) for REGISTER the TO hdr is used to identify the hdr and not FROM
    2) if you change TO or FROM hdrs you may broke transaction matching 
for replies on the UAC.

BTW, for proper FROM changing, look at the UAC module

regards,
bogdan

Neill Wilkinson wrote:

>Hi all,
>
>Looking to get a way to replace the From field in a REGISTER message to the
>forward on to another Registrar, as a third party registration
>
>I've tried something along the lines of:
>
>If (subs("/(^From:)([ ]*)/\1 sip:newaddress at new.server/I"))
>	log(1,"Match!\n");
>else
>	log(1,"No match\n");
>
>I basically need help with the Regex syntax and a good means of checking -
>is egrep or sed a good means of testing?
>
>Thanks.....
>
>Neill...;o)
>
>
>
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