CME GPP-3 Specifications Page 154

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3GPP
3GPP TS 27.007 V6.3.0 (2003-
06)
15
4
Release 6
Table C.5: +VGT
Command
Return
+VGT=<n>
+VGT?
<n>
+VGT=?
(list of supported <n>s)
C.2.6 Initialise voice parameters +VIP
This recalls manufacturer determined settings <n> of voice parameters. The command is write only. The effect of the
command is manufacturer specific.
Table C.6: +VIP
Command
Return
+VIP=<n>
+VIP=?
(list of supported <n>s)
C.2.7 Inactivity timer +VIT
This refers to the value of the inactivity timer in the TA. It is used to monitor activity on the connection between the
computer and the TA when the computer is in "transmit" mode and sending audio data to the TA. When the connection
has been inactive for the time set by this command, the TA leaves "transmit" mode and reverts to command mode. An
integer <n> different than zero implies a time of <n>/10 seconds. A value of zero disables the timer.
Table C.7: +VIT
Command
Return
+VIT=<n>
+VIT?
<n>
+VIT=?
(list of supported <n>s)
C.2.8 Line selection +VLS
This determines the selection of sources and destinations of audio samples. An integer is used to label a particular
combination of sources and destinations. The integer is defined in an entry in IS-101 which assumes as a model a TA, a
local phone and a phone line. Two additional "manufacturer specific" configurations (16,17) are defined.
- label=0: this is the idle state - the phone is not connected to the radio network and no audio paths are used.
- label=1: the phone is connected to the radio network and no audio paths involving the internal microphone or
internal loudspeaker are selected. This allows the computer to transmit audio data over the radio transmitter by
selecting "transmit mode":
Table C.8: +VLS label 1a
loudspeaker
computer i/p
transmit stage
microphone -->
computer o/p -->
*
receiver stage -->
This also allows the computer to receive audio data from the radio receiver by selecting "receive mode":
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