Deskmaster – Topcom DESKMASTER 520 User Manual
Page 49
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
Deskmaster
HL_DM5201_GB.qxd 16-04-2003 13:25 Page 49