Pri Error Codes
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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 PDF (30.2 KB) View with isdn disconnect cause codes Adobe Reader on a variety of devices Updated:Jul 12, 2005 Document ID:8607 Contents Introduction
Isdn Q931 Messages
Prerequisites Requirements Components Used Conventions Cause Code Origination Point Disconnect Cause Code Optional Diagnostic field Related Information Introduction This document explains
Isdn Cause Codes Wiki
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 indicates the reason for call disconnection. Note:Activate the debug
Sip Cause Codes
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 failed ISDN call: Calling#ping 10.10.10.2 Type escape sequence to abort. Sending 5, 100-byte ICMP Echos cause code technologies 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 from the debug output: Cause i = 0x829F08 Parsed Hex Bytes 82 9F 08 Description Cause Code Origination Point Disconnect Cause Code Optional Diagnostic field Prerequisites Requirements Th
HexDecimalCause0x11Unallocated or unassigned number0x22No route to specified transit network (Transit Network q850 cause codes Identity)0x33No route to destination0x44Send special information tone0x55Misdialled 5w56 service trunk prefix0x66Channel unacceptable0x77Call awarded and being delivered in an established channel0x88Prefix 0 cisco disconnect cause codes dialed but not allowed0x99Prefix 1 dialed but not allowed0xA10Prefix 1 not dialed but required0xB11More digits received than allowed, http://www.cisco.com/c/en/us/support/docs/dial-access/integrated-services-digital-networks-isdn-channel-associated-signaling-cas/8607-isdn-disc-code.html call is proceeding0x1016Normal call clearing0x1117User busy0x1218No user responding0x1319T.301 expired: - User Alerted, No answer from user0x1521Call rejected0x1622Number changed to number in diagnostic field.0x1723Reverse charging rejected0x1824Call suspended0x1925Call resumed0x1A26Non-selected user clearing0x1B27Destination out of order0x1C28Invalid number format or incomplete address0x1D29EKTS http://kb.digium.com/articles/FAQ/ISDN-Disconnect-cause-codes facility rejected by network0x1E30Response to STATUS ENQUIRY0x1F31Normal, unspecified0x2133Circuit out of order0x2234No circuit/channel available0x2335Destination unattainable0x2436Out of order0x2537Degraded service0x2638Network out of order0x2739Transit delay range 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 doe
a PRI circuit to work with Switchvox using a Digium T1/E1 interface card you may encounter a common issue where incoming calls are successful but outbound calls fail, with Switchvox playingback an error message saying that the http://kb.digium.com/articles/FAQ/Outbound-PRI-calls-fail-with-error-code-90 call has failed with "Error Code 90". There are two issues which will http://www.voip-info.org/wiki/view/Asterisk+variable+hangupcause cause this scenario and they are fairly easy to remedy, and are listed below along with the steps to remedy them. Issue 1: Incorrect Caller ID Settings. If you are unable to send outbound calls and you have not set your "Number to display in caller ID" field in you PRI's B cause code Channel - Channel Group or if you have set this to a number other than the main DID for your PRI circuit, the Telco may be rejecting the outgoing call. You may also have this value set, but have a "Caller ID Rule" setup under "Setup > Outgoing Calls" that modifies the Caller ID name and number when sending certain (or all) outgoing calls. To remedy disconnect cause codes this issue follow the steps below: Set the "Number to display in caller ID" field to the main phone number DID of the PRI line by modifying the Channel Group containing you PRI's B Channels by going to "Setup > Channel Groups" in the Switchvox Admin Interface. Then check the "Caller ID Rules" tab under "Setup > Outgoing Calls" and make sure you are not overwriting the caller ID number with a Caller ID rule entry. If this does not resolve the issue, check for the "PRI/BRI Dialplan" issue in "Issue 2" below and make sure if you are not receiving the "Invalid number format" cause code in the PRI Debug. Call your Telco's support line and have them analyze an attempted outbound call, they may be expecting a different caller ID number than what you are sending and should be able to advise you or allow the number you are sending as long as that DID (phone number) is associated with your account. Issue 2: PRI/BRI Dialplan and Local Dialplan settings. The PRI DialPlan and PRI Local DialPlan types are set incorrectly: This issue is fairly easy to identify and correct, first grab a PRI Debug log by going to the Switchvox
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