11. Frame relays allow people to send voice, video and data over high-speed phone lines.12. Frame Relay defines some restrictions on the user's information rate.13. The frame relay card is sold to large phone companies. 14. Without a firm understanding of Frame Relay , it is difficult to troubleshoot its performance. 15. LMI virtual circuit status messages provide communication and synchronization between Frame Relay DCE devices. 16. Frame Relay originated as an extension of integrated services digital network ( ISDN ).17. Your choices will include ISDN lines, frame relay or ATM circuits or leased lines. 18. Frame relay is one of the most common plumbing systems used to link computers.19. CPE interfaces consisted of CES, Frame Relay , V . 35, HSSI, Ethernet, and Optical Interfaces. 20. But merging the material into Frame Relay article gives it better context for the readers.
