[Speechsc] Review Request of session: Scheme

[Eric Burger <eburger at standardstrack.com>]

Please review the session: scheme in http://tools.ietf.org/html/draft-ietf-speechsc-mrcpv2-20

This scheme has been heavily used for almost six years, as documented  
in the work group version of MRCPv2.  There are about two dozen  
interoperable implementations of MRCPv2 clients and servers.  We do  
not expect the scheme to be used outside of the context of MRCPv2.   
However, we wanted to document the usage with IANA.

Thanks.