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Přehled kódů II. část stavových hlášení - dobrá pomůcka při řešení problémů se spojením euroISDN telefonu

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Máte-li problém s např. s euroISDN telefonem, přinášíme Vám přehled kódů stavových hlášení, která se mohou objevovat na displeji přístroje. Tyto kódy nejsou podle našich zkušeností běžně dostupné, jejich znění přinášíme v originále - tedy v angličtině.

Cause Values

Table B-3 lists descriptions of the cause value field of the cause information element. The notes referred to in the Diagnostics column follow the table. For the debug isdn q931 command output, drop the highest bit of the cause value before using this table. For example, a cause value of 0x90 becomes 0x10.

Decimal Value Hex Value Cause Diagnostics Explanation
1 01 Unallocated (unassigned) number Note 10 The ISDN number was sent to the switch in the correct format; however, the number is not assigned to any destination equipment.
2 02 No route to specified transit network Transit network identity (Note 9) The ISDN exchange is asked to route the call through an unrecognized intermediate network.
3 03 No route to destination Note 10 The call was routed through an intermediate network that does not serve the destination address.
6 06 Channel unacceptable   The service quality of the specified channel is insufficient to accept the connection.
7 07 Call awarded and being delivered in an established channel   The user is assigned an incoming call that is being connected to an already-established call channel.
16 10 Normal call clearing Note 10 Normal call clearing has occurred.
17 11 User busy   The called system acknowledges the connection request but is unable to accept the call because all B channels are in use.
18 12 No user responding   The connection cannot be completed because the destination does not respond to the call.
19 13 No answer from user (user alerted)   The destination responds to the connection request but fails to complete the connection within the prescribed time. The problem is at the remote end of the connection.
21 15 Call rejected Note 10. User supplied diagnostic (Note 4) The destination is capable of accepting the call but rejected the call for an unknown reason.
22 16 Number changed   The ISDN number used to set up the call is not assigned to any system.
26 1A Non-selected user clearing   The destination is capable of accepting the call but rejected the call because it was not assigned to the user.
27 1B Designation out of order   The destination cannot be reached because the interface is not functioning correctly, and a signaling message cannot be delivered. This might be a temporary condition, but it could last for an extended period of time. For example, the remote equipment might be turned off.
28 1C Invalid number format   The connection could be established because the destination address was presented in an unrecognizable format or because the destination address was incomplete.
29 1D Facility rejected Facility identification (Note 1) The facility requested by the user cannot be provided by the network.
30 1E Response to STATUS ENQUIRY   The status message was generated in direct response to the prior receipt of a status enquiry message.
31 1F Normal, unspecified   Reports the occurrence of a normal event when no standard cause applies. No action required.
34 22 No circuit/channel available   The connection cannot be established because no appropriate channel is available to take the call.
38 26 Network out of order   The destination cannot be reached because the network is not functioning correctly, and the condition might last for an extended period of time. An immediate reconnect attempt will probably be unsuccessful.
41 29 Temporary failure   An error occurred because the network is not functioning correctly. The problem will be resolved shortly.
42 2A Switching equipment congestion   The destination cannot be reached because the network switching equipment is temporarily overloaded.
43 2B Access information discarded Discarded information element identifier(s) (Note 5) The network cannot provide the requested access information.
44 2C Requested circuit/channel not available   The remote equipment cannot provide the requested channel for an unknown reason. This might be a temporary problem.
47 2F Resources unavailable, unspecified   The requested channel or service is unavailable for an unknown reason. This might be a temporary problem.
49 31 Quality of service unavailable Table B-2 The requested quality of service cannot be provided by the network. This might be a subscription problem.
50 32 Requested facility not subscribed Facility identification (Note 1) The remote equipment supports the requested supplementary service by subscription only.

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