VoIP Mailing List Archives

[jeff at jeff.net]

Hi,

I have a need to pass through SIP headers that start with a particular
prefix, without knowing beforehand what the full name of the header
actually is. For example I need to test for any headers on an inbound
channel that start with "FOO_" and then use SIPAddHeader() to add them
to the outbound channel. Straightforward when I know the whole name,
but I'd like something more generic that I won't have to update when we
come up with a new header to add on the client side.

This is working fine:

exten => _X.,1,Set(FOO_ONE=${SIP_HEADER(FOO_ONE)})
exten => _X.,n,NoOp(Got Header ${FOO_ONE})
exten => _X.,n,SIPAddHeader(FOO_ONE: ${FOO_ONE})
exten => _X.,n,Dial(SIP/${EXTEN},80)
exten => _X.,n,Hangup


Any ideas?

Thanks,

j

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