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Tele-Communication (Telecom) Terms Glossary and Dictionary
Q.922
Q.922, an ITU-T specification, defines the Link Access Procedure/Protocol (LAPF), which is an enhanced LAPD (Q.921) with congestion control capabilities for Frame Mode Services in the Frame Relay network. LADF is used in the Frame Relay network for end-to-end signaling. LAPF conveys data link service data units between DL-service users in the User Plane for frame mode bearer services across the ISDN user-network interface on B-, D- or H-channels.
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