[Serusers] Forwarding decisions

[Gala, Dipen]

 hey folks can I make my forwarding or rewrite decisions based on the
attributes I have in the request.
I want to make the forwarding decision based on the user agent or the
various SDP attributes that are there in the INVITE request. How can I
read and compare all the information I find in the SIP protocol

Like based on 
1) User-Agent: Asterisk PBX
2) or based on the media type like text , voice , video
Please if any one can help me and provide me with examples .....
thanks
Dipen K Gala
Fidelity Investments System Company - Telecom
Phone: (617) 563-2729
Email: Dipen.Gala at FMR.com

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