ISDN DEFINITY
Extender 2300EU/2100EU
40
2100EU AT Command Set
AT Results Codes
cont’d
Numeric Code
Text Message
Description
0
OK
The command line was successfully
executed
2
RING
An incoming call has been detected
(this may appear at any time in AT
command mode and not as the
result of executing an AT
command)
3
NO CARRIER
No carrier was detected when
trying to place a call
4
ERROR
An error was encountered in the
AT command line. Commands to
the left of the erroneous command
were executed.
6
NO DIALTONE
No dial tone was detected when
trying to place a call
7
BUSY
The called number was busy or the
second EXT-3000t B channel was
already in use for a POTS call
17
CONNECT 56000
A connection was established at 56
Kbps
19
CONNECT 64000
A connection was established at 64
Kbps
79
PROTOCOL PPPC
The PPP protocol is in use on the
connection
96
CHANNEL B1
The call was established using the
B1 channel
97
CHANNEL B2
The call was established using the
B2 channel
Table 5. AT Results Codes cont’d