HUAWEI MU609 HSPA LGA Module
Application Guide
Internal Protocol Stack Application Scenarios
Issue 02 (2013-09-18)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
39
OK
AT^IPCLOSE?
Query the current link status.
1
indicates that
the link is open, and
0
indicates that the link is
closed.
^IPCLOSE: 1,0,0,0,0
OK
5.5.2
Troubleshooting
Scenario
Possible Error Information
Solution
AT^IPCLOSE=
<link_id>
+CME ERROR: Normal error
The command is terminated.
Run the
^IPCLOSE
command again.
5.6 Transparent Transmission Mode
5.6.1
Reference Process
Command
Description
AT^IPINIT="1234","card","car
d"
Initialize the internal protocol stack.
OK
AT^IPOPEN=1,"UDP","172.22.
44.33",5000,5500
Create a link.
OK
AT^IPCFL=12,0
Set the transparent transmission mode to time-
and length-based transmission mode.
OK
AT^IPCFL=5,100
Set the timer for triggering transparent
transmission to 10s (100 x 0.1s).
OK
AT^IPCFL=10,1220
Set the TCP/UDP MSS to 1220 bytes.
OK
AT^IPENTRANS=1
Enable transparent transmission mode.
OK