AT Commands Set

SIM5215_SIM5216 AT Command Manual
Defined values
The duration of video call, from VPCONNECTED to VPEND and the unit is in second.
Examples
AT+VPEND
OK
VPEND
5.4 AT+VPDTMF Send DTMF tone during video call
Description
The command is used to send DTMF tone during a connected video call, and it is sent as an H.245
user-input indication (basic string) to the other side.
NOTE The maximal length of DTMF string is 127.
SIM PIN References
YES Vendor
Syntax
Test Command
AT+VPDTMF=?
Write Command
AT+VPDTMF=
Responses
+VPDTMF:(list of supported s)
OK
Responses
OK
Defined values
DTMF string consisted of ( 0–9, *, #).
Examples
AT+VPDTMF=”12345”
OK
AT+VPDTMF=”*”
OK
5.5 AT+VPSOURCE Select video TX source
Description
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1/13/2011