3 information responses and result codes – Rainbow Electronics GM862-QUAD-PY User Manual
Page 15

AT Commands Reference Guide
80000ST10025a Rev. 5 - 09/07/08
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved
page 15 of 434
3.2.3 Information Responses And Result Codes
The TA response, in case of verbose response format enabled, for the previous examples command
line could be as shown below:
• information response to +CMD1?
• information response to +CMD1=?
• final result code
Moreover there are other two types of result codes:
• result codes that inform about progress of TA operation (e.g. connection establishment
CONNECT)
• result codes that indicate occurrence of an event not directly associated with issuance of a
command from TE (e.g. ring indication RING).
Here the basic result codes according to ITU-T V25Ter recommendation
Result Codes
Numeric form
Verbose form
0
OK
1
CONNECT
or
CONNECT
3
2
RING
3
NO CARRIER
4
ERROR
5
CONNECT 1200
4
6
NO DIALTONE
7
BUSY
8
NO ANSWER
10
CONNECT 2400
4
11
CONNECT 4800
4
12
CONNECT 9600
4
15
CONNECT 14400
4
23
CONNECT
1200/75
4
3
For SELINT 0,1
or “1200/75”
4
Valid for SELINT 0,1 only