this SIM5218 AT command manual - Cooking Hacks

SIM5218 Serial AT Command Set
5.8 AT+VPSM Switch video call to CSD mode
Description
The command is used to switch video call to CSD mode. In CSD mode, it will report RING, but not
VPINCOM when remote party originated a video call, and then use command ATA to answer the
incoming call. After call is connected, data stream from network is flowed over the interface, and
command +++ is used to switch from Data Mode to Command Mode, however, the data flow is not
cancelled and command ATO is forbidden. In CSD mode, command +VPMAKE can’t originate a
video call.
SIM PIN References
YES Vendor
Syntax
Test Command
AT+VPSM=
Read Command
AT+VPSM
Write Command
AT+VPSM=
Responses
+VPSM: (list of supported s)
OK
Responses
+VPSM:
OK
Responses
+VPSM:
OK
The state of video call is not idle:
ERROR
Defined values
Integer type value indicating video call mode or CSD mode.
0 – Normal mode of video call application.
1 – CSD mode.
Examples
AT+VPSM=
+VPSM: (0,1)
OK
AT+VPSM=0
+VPSM: 0
OK
AT+VPSM
SIM5218_Serial _ATC_V1.36 82
5/15/2012