Protocol Error Unspecified Isdn
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and AccessIntegrated Services Digital Networks (ISDN), Channel-Associated Signaling (CAS)Troubleshoot and AlertsConfiguration Example and TechNotes Understanding debug isdn q931 Disconnect Cause Codes Download Print Available Languages Download Options isdn cause code list PDF (30.2 KB) View with Adobe Reader on a variety of devices Updated:Jul isdn cause codes wiki 12, 2005 Document ID:8607 Contents Introduction Prerequisites Requirements Components Used Conventions Cause Code Origination Point Disconnect Cause Code Optional Diagnostic cause code technologies field Related Information Introduction This document explains how to interpret Integrated Services Digital Network (ISDN) disconnect cause codes. The ISDN disconnect cause code appears in the debug isdn q931 command output, and q850 cause codes indicates the reason for call disconnection. Note:Activate the debug isdn q931 command for this exercise. Remember that the debug isdn q931 command generates a large volume of debugs. Refer to Important Information on Debug Commands for more information on the safe use of debugs. Here is a sample output of the debug isdn q931 command. The output indicates the disconnect cause code for a
Isdn Cause Codes Pdf
failed ISDN call: Calling#ping 10.10.10.2 Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to 10.10.10.2, timeout is 2 seconds: 20:52:14: ISDN BR0: TX -> SETUP pd = 8 callref = 0x2E 20:52:14: Bearer Capability i = 0x8890 20:52:14: Channel ID i = 0x83 20:52:14: Keypad Facility i = '5551111' 20:52:15: ISDN BR0: RX <- CALL_PROC pd = 8 callref = 0xAE 20:52:15: Channel ID i = 0x89 20:52:16: ISDN BR0: RX <- PROGRESS pd = 8 callref = 0xAE 20:52:16: Progress Ind i = 0x8A81 - Call not end-to-end ISDN, may have in-band info 20:52:16: Signal i = 0x01 - Ring back tone on 20:52:34: ISDN BR0: RX <- DISCONNECT pd = 8 callref = 0xAE 20:52:34: Cause i =0x829F08 - Normal,unspecified or Special intercept, call blocked group restriction 20:52:34: ISDN BR0: TX -> RELEASE pd = 8 callref = 0x2E 20:52:34: ISDN BR0: RX <- RELEASE_COMP pd = 8 callref = 0xAE The 0x in the disconnect code indicates that the subsequent bytes are in hexadecimal format and are not part of the actual code. This table provides a breakdown of the code after you strip the 0x
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Sip Cause Codes
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HexDecimalCause0x11Unallocated or unassigned number0x22No route to specified transit network (Transit Network Identity)0x33No route to destination0x44Send special information tone0x55Misdialled http://kb.digium.com/articles/FAQ/ISDN-Disconnect-cause-codes trunk prefix0x66Channel unacceptable0x77Call awarded and being delivered in an established channel0x88Prefix 0 dialed but not allowed0x99Prefix 1 dialed but not allowed0xA10Prefix 1 not dialed but required0xB11More digits received than allowed, call is proceeding0x1016Normal call clearing0x1117User busy0x1218No user responding0x1319T.301 expired: - User Alerted, No answer from cause code user0x1521Call rejected0x1622Number changed to number in diagnostic field.0x1723Reverse charging rejected0x1824Call suspended0x1925Call resumed0x1A26Non-selected user clearing0x1B27Destination out of order0x1C28Invalid number format or incomplete address0x1D29EKTS facility rejected by network0x1E30Response to STATUS ENQUIRY0x1F31Normal, unspecified0x2133Circuit out of order0x2234No circuit/channel available0x2335Destination unattainable0x2436Out of order0x2537Degraded service0x2638Network out of order0x2739Transit delay range isdn cause code cannot be achieved0x2840Throughput range cannot be achieved0x2941Temporary failure0x2A42Switching equipment congestion0x2B43Access information discarded0x2C44Requested circuit channel not available0x2D45Preempted0x2E46Precedence call blocked0x2F47Resource unavailable, unspecified0x3149Quality of service unavailable0x3250Requested facility not subscribed0x3351Reverse charging not allowed0x3452Outgoing calls barred0x3553Outgoing calls barred within CUG0x3654Incoming calls barred0x3755Incoming calls barred within CUG0x3856Call waiting not subscribed0x3957Bearer capability not authorized0x3A58Bearer capability not presently available0x3F63Service or option not available, unspecified0x4165Bearer service not implemented0x4266Channel type not implemented0x4367Transit network selection not implemented0x4468Message not implemented0x4569Requested facility not implemented0x4670Only restricted digital information bearer capability is available0x4F79Service or option not implemented, unspecified0x5181Invalid call reference value0x5282Identified channel does not exist0x5383A suspended call exists, but this call identity does not0x5484Call identity in use0x5585No call suspended0x5686Call having the requested call identity has been cleared0x5787Called user not member of CUG0x5888Incompatible destination0x5989Non-existent abbreviated address entry0x5A90Destination address missing, and direct call not subscribed0x5B91Invalid transit network selection (natio