Manual Supercom 646 GPRS rev. 04-02-2011
43
12.2.2.5 CALLBACK
This command enables the telephone number used by the central unit for the call back function to be modi-
fied.
Syntax of the command sent to the central unit:
[password]
CALLBACK
[?] number
Details:
number:
the new call back number
If the call back number is not specified, the call back function of the central unit is deactivated.
By default the central unit does not send back a reply. To receive a reply, the question mark must be speci-
fied.
Syntax of the reply sent by the central unit:
num_id
CALLBACK
result
Details:
result:
OK
if the call back number was correctly programmed. ERROR if programming
error.
Example:
SMS sent:
1234 CALLBACK? 0796878262
SMS received:
12345678 CALLBACK ok
