Result codes – Westermo TF-300 User Manual
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Result codes
When a command is sent from the DTE the modem replies with a result code. The result
code may be either in Long Form i.e. text (V1) or in Short Form i.e. a digit code (V0).
The result code in Long Form is followed by <CR><LF> and in Short Form by <CR>.
The result codes are enabled by using the Q1 command.
The possible result codes are as follows:
With basic response set (X0)
0
OK
Command accepted and executed.
1
CONNECT
A call has entered the connect phase.
2
RING
Incoming call detected.
3
NO CARRIER
Ended call (correct or incorrect) or no carrier.
4
ERROR
Illegal command / command not possible
With extended response set (X1) as above and:
6
NO DIALTONE
No carrier or error code DER from network
7
BUSY
Error codes NC or OCC from network
8
NO ANSWER
Error codes NA, NP, NCH or ABS from network