Last clear diagnostic code none - No more information bps - Invalid P(S) bpr - Invalid P(R) ptinv - Packet type invalid pna - Packet not allowed psh - Packet too short pln - Packet too long tout - Timer expired tcli - Timer expired for clear indication nocs - Call set-up problem nofc - Facility/registration code not allowed nofp - Facility/registration parameter not allowed cald - Bad called address cali - Bad calling address invfl - Invalid facilities length icb - Incoming call barred nolcn - No logical channel available cco - Call collision occurred dupl - Duplicate facility requested nadl - Non-zero address length nfcl - Non-zero facility length nfce - Facility not found when expected trp - Temporary routing problem clin - Call limit reached on intermediate node cldn - Call limit reached on destination node ncil - No logical channel available on internode link ccpo - Call cleared by Control Port operator csld - Call setup looping detected cshe - Call setup hop count exceeded finl - Failure on intermediate node link rin3 - Restart received at level 3 disc - DISC received at level 2 dm - DM received at level 2 sabm - SABM received at level 2 frmr - FRMR received at level 2 invnr - Invalid N(R) unsf - Unsolicited F bit received ucmd - Unknown command received uresp - Unknown response received gtcap - I field too long t1to - T1/N2 timeout frlen - Received frame of incorrect size aderr - Address error spbo - Source port is in Busy Out state dpbo - Destination port is in Busy Out state srr - Session reconnection rejected.