TA+PPX - Stollmann
TA+PPX - Stollmann
TA+PPX - Stollmann
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TA manual<br />
Diagnostic and error messages<br />
r09/09.2007<br />
5 Diagnostic and error messages<br />
For the diagnostic of erroneous situations the following functionality is supported.<br />
Please check first the behavior of LED displays, if an ISDN connection can not be<br />
established. Refer to list of LED displays on page 37.<br />
5.1 Error messages from AT command set<br />
When the extended result messages are selected using the command ATV2 ISDN<br />
error codes are displayed in addition to the standard AT result messages.<br />
ISDN error causes from the ISDN network are always coded as 34xxH, whereas the<br />
last two digits xx represent the ISDN cause in hexadecimal coding. The meaning<br />
can be taken from the following tables ISDN causes (see page 32).<br />
5.2 Table of ISDN causes and their explanation (DSS1)<br />
Cause<br />
Decimal /<br />
Hexadecimal<br />
Meaning<br />
1 / 0x81 Unallocated (unassigned) number 3<br />
2 / 0x82 No route to transit network 3<br />
3 / 0x83 No route to destination 3<br />
6 / 0x86 Channel inacceptable 6<br />
7 / 0x87 Call awarded and being delivered in an 6<br />
established channel<br />
16 / 0x90 Normal clearing 3<br />
17 / 0x91 User busy 7<br />
18 / 0x92 No user responding 8<br />
19 / 0x93 No answer from user (user alerted) 8<br />
20 / 0x94 No answer from user (device off) 8<br />
21 / 0x95 Call rejected 8<br />
22 / 0x96 Number changed 3<br />
26 / 0x9A Non selected user clearing 3<br />
27 / 0x9B Destination out of order 8<br />
28 / 0x9C invalid number format 3<br />
29 / 0x9D Facility rejected 3<br />
30 / 0x9E Response to STATUS ENQUIRY 3<br />
31 / 0x9F Normal disconnect, unspecified 3<br />
Translation<br />
to AT<br />
result<br />
codes<br />
Page 32 of 44
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