Analyzer sdp

Perform basic analysis of an SDP payload as defined in RFC 4566.

Payloads

Field	Type	Description
username	string	Username in the 'o' line.
sess_id	uint64	Session ID in the 'o' line.
sess_version	uint64	Session version in the 'o' line.
sess_addr_type	string	Network type, usually 'IN' from the 'o' line.
sess_addr	string	Network address of the session from the 'o' line.
sess_name	string	Session name from the 's' line.