Sets the type of IP header compression to perform. When set to ietf, the command performs IP header compression according to IPHC RFCs. When set to non-ietf, the command performs IP header compression compatible with other vendors, which do not strictly follow the RFCs.
IETF mode is incompatible with non-IETF mode.The default of the ip rtp non-tcp-mode command is non-ietf.
Non-IETF encapsulation is compatible with other vendors.