Another vendor that currently supports frame relay switching is Bay Networks . ISDN Systems Corporation offers frame relay hardware solutions for PC compatible computers. Using ISDN Systems frame relay adaptors allows PCs to connect directly to frame realy networks.
Frame relay is offered in most areas of the United States.
The telecommunications carriers have traditionally kept frame relay rates confidential, requiring customers to sign non-disclosure agreements. Pacific Bell Pacific Bell offers frame relay service to its customers. Pacific Bell advertises that their frame relay service outperforms X.25. Port costs also consist of a one time installation charge combined with a monthly service fee. Finally, the DLCIs have a small charge.