[SR-Users] save a Q850 cause reason from a reply

[Uri Shacked]

Hi,

the gateway i use for sending call to pstn has an option of sending a
header with Q850 reason.
it looks like this:
"
Reason: Q.850;cause=17;text="UserBusy"
            Reason Protocols: Q.850
            Cause: 17(0x11)[User busy]
"

now, i need to save the reason for reports.
the reason changes and i am trying to find a way to parse it and save the
code only.
usualy i use the "search" function to get text from headers that are the
gateway's inventions :-)
here i can find the text "Q850....." but how do i get the cause code?
i guess i cab write something long with textops and parsing. but, is there
a better and nicer way to perform it?

thanks,
Uri
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