Version 7.2 577 Mediant 800B Gateway & E-SBC
User's Manual 25. Manipulation
Table 25-10: Release Cause Mapping from ISDN to SIP Table Parameter Descriptions
Parameter Description
Index
[CauseMapIsdn2Sip_Index]
Defines an index number for the new table row.
Note: Each row must be configured with a unique index.
Q.850 Causes
q850-causes
[CauseMapIsdn2Sip_IsdnReleaseCause]
Defines the ISDN Q.850 cause code. For example, you
can enter "6" (without apostrophes) to represent Cause
Code 6 Channel Unacceptable.
SIP Response
sip-response
[CauseMapIsdn2Sip_SipResponse]
Defines the SIP response code. For example, you can
enter "406" (without apostrophes) to represent the SIP
406 Not Acceptable response.
25.8.2.2 Fixed Mapping of ISDN Release Reason to SIP Response
The following table shows the mapping of ISDN release reason to SIP response.
Table 25-11: Mapping of ISDN Release Reason to SIP Response
ISDN Release
Reason
Description
SIP
Response
Description
1 Unallocated number 404 Not found
2 No route to network 404 Not found
3 No route to destination 404 Not found
4 Send Special Information Tone 400 Bad Request
5 Misdialed Trunk Prefix 400 Bad Request
6 Channel unacceptable 406
*
Not acceptable
7
Call awarded and being delivered in an
established channel
500 Server internal error
8 Preemption 480 Temporarily unavailable
9 Preemption - Circuit Reserved for Reuse 488 Not Acceptable Here
16 Normal call clearing -* BYE
17 User busy 486 Busy here
18 No user responding 408 Request timeout
19 No answer from the user 480 Temporarily unavailable
21 Call rejected 403 Forbidden
22 Number changed w/o diagnostic 410 Gone
23 Redirection 400 Bad Request
25 Exchange Routing Error 400 Bad Request
26 Non-selected user clearing 404 Not found
27 Destination out of order 502 Bad gateway
28 Address incomplete 484 Address incomplete
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