Topcom 510, 500, 520 manual Error MESSAGES/CAUSES

HL_DM5201_GB.qxd 16-04-2003 13:25 Page 49

Deskmaster

11	Bit Option
	0-2	&K (flow control, d = 0)
	3	&R (RTS option, d = 0)
	4-7	reserved
	default: 00 (0 x 00)
12	reserved

17.2.4 External Interfaces (Microsoft TAPI)

The Deskmaster 510i and 520i provides a TSPI driver for the Microsoft Telephone Application Programming Interface (TAPI). All ISDN phone functions may be controlled through that interface.

18 ERROR MESSAGES/CAUSES

Deskmaster	Q.931 Spec.	Cause description
Cause	Cause
(HEX)	(DEC)
1	1	Unallocated (unassigned) number
2	2	No route to specific transit network
3	3	No route to destination
6	6	Channel unacceptable
7	7	Call awarded and being delivered in an established channel
10	16	Normal call clearing
11	17	User busy
12	18	No user responding
13	19	No answer from user (user alerted)
15	21	Call rejected
16	22	Number changed
1A	26	Non-selected user clearing
1B	27	Destination out of order
1C	28	Invalid number format
1D	29	Facility rejected
1E	30	Response to STATUS ENQUIRY
1F	31	Normal, unspecified
22	34	No circuit/channel available
26	38	Network out of order
29	41	Temporary failure
2A	42	Switching equipment congestion
2B	43	Access information discarded
2C	44	Requested circuit/channel not available
2F	47	Resources unavailable, unspecified

49