References

[1] 3GPP TS 08.16: Network Service (R99).

[2] ITU-T recommendation Q.933 Annex A: Digital Subscriber Signaling System No. 1 (DSS 1) ”Signaling Specifications for Frame Mode Switched and Permanent Virtual Connection Control and Status Monitoring.

[3] Frame Relay Forum 1.1: User to Network Interface Implementation Agreement.