GLOBALSAT TR-206 - Manual (Page 64)

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8 Voice Monitor
Voice monitoring function is used to remotely hear the sound around the
device by a voice phone call. TR-206 supports voice monitoring function by
calling in the phone number of the device.
The call in procedure is controlled by V4 and V5. Only the phone number
defined by V4 is permitted to call in. The device will answer the phone call if
the privileged phone number calls in within the interval (defined by V5) after
the voice monitor function is enabled by N4 command.
The parameters of voice monitor are listed below.
Code
word
Parameters Value Description
V4
Call in phone number for
voice monitor
char(20)
V5
Allowed interval for call in
TR-206 after receiving
voice monitor command
u16, in
seconds
0, 10 ~ 65535
Command format:
GS C ,N4*Checksum!
Commands Codeword Parameters
N4 Enable voice monitor
Example 1:
Make TR-206 wait the phone number +886920886555 (V4=+886920886555) to
call in within 120 seconds (V5=120) when receive the enable voice monitor
command (N4)
GSC,130789246109245,N4(V4=+886920886555,V5=120) *28!