Polycom HDX 9006 Integrator's Manual page 145

Integrator's Reference Manual for Polycom HDX Systems
rsid=Remote system id
ccaps=Content capability, where possible responses include "9" (H.239),
"E" (enterprise dual streams), "N" (none), and "P" (content over the people
stream)
See Also
To return network statistics for a call, use the
Polycom, Inc.
nearloop command on page 357.
System Commands
127