*Jun 21 02:59:49.425: ISDN Se0/1/0:23 Q931: Sending SETUP callref = 0x0116 callID = 0x8098 switch = primary-ni interface = Network *Jun 21 02:59:49.425: ISDN Se0/1/0:23 Q931: TX -> SETUP pd = 8 callref = 0x0116 Bearer Capability i = 0x9090A2 Standard = CCITT Transfer Capability = 3.1kHz Audio Transfer Mode = Circuit Transfer Rate = 64 kbit/s Channel ID i = 0xA98381 Exclusive, Channel 1 Progress Ind i = 0x8583 - Origination address is non-ISDN Called Party Number i = 0xA1 Plan:ISDN, Type:National *Jun 21 02:59:49.477: ISDN Se0/1/0:23 Q931: RX <- RELEASE_COMP pd = 8 callref = 0x8116 Cause i = 0x8181 - Unallocated/unassigned number *Jun 21 02:59:49.481: %ISDN-6-DISCONNECT: Interface Serial0/3/0:5 disconnected from unknown , call lasted 0 seconds