A. Two-party calls originated by H.323 stations, trunks, or media gateways, and terminated by SIP stations or trunks, cannot shuffle.

B. SIP-SIP two-party calls will always use SIP Direct Media if Communication Manager (CM) is configured to do so.

C. H.323-H.323 two-party calls will always shuffle to establish a direct media path if Communications Manager (CM) is configured to do so.

D. If a direct media path cannot be established between two IP endpoints the call will fail from release 7.0.

E. Two-party calls originated by SIP stations or trunks, and terminated by H.323 trunks, media gateways, or other vendors' H.323 stations, will typically shuffle if Communications Manager (CM) is configured to do so.