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P-202H Plus v2 Support Notes
Reference
1. ISDN Disconnection Cause
This source of this ISDN cause is from ETS 300 102-1 Annex G. You can
download the complete ETS 300 102-1 standard, the layer 3 basic call control,
from the site
www.etsi.org.
Normal Class
Code Disconnection Cause
1 Unallocated
2 No route to specified transit network
3 No route to destination
6 Channel unacceptable
7
Call awarded and being delivered in an established
channel
16 Nomal call clearing
17 User busy
18 No user responding
19 No answer from user (user alerted)
21 Call rejected
22 Number changed
27 Destination out of order
28 Invalid formate (address incomplete)
29 Facility rejected
30 Response to status enquiry
31 Normal, unspecified
Resource Unavailable Class
34 No circuit/channel available
38 Network out of order
41 Temporary failure
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