Westermo GDW-11 - Manual (Page 114)

114 Supplementary Services commands 6615-2220
+CMMS – More Messages to Send
Description:
This short message service-oriented AT command allows to keep the link opened while
sending several short messages within a short delay.
Syntax:
AT+CMMS =
Parameters:
0: Disable feature
1: Keep link opened while messages are sent. If the delay between two mes-
sages exceeds 5 seconds, the link is closed and the mode is reset to 0: the
feature is disabled.
2: Keep link opened while messages are sent. If the delay between two mes-
sages exceeds 5 seconds, the link is closed but the mode remains set to 2:
the feature is still enabled.
NOTE:
The delay of 5 seconds complies with Rec 3GPP 27.005 §3.5.6.
Before sending the last SMS in the link, you must use AT+CMMS=0 command. This com-
mand will indicate that the NEXT SMS will be the last one.
Command example Possible responses Note
AT+ CMMS=0 OK Feature is disabled
AT+ CMMS=1 OK Feature is enabled, link is
open
AT+ CMMS=2 OK Feature is enabled, link is
open
AT+ CMMS? +CMMS: 2
OK
AT+ CMMS=? +CMMS: (0-2)
OK