Specifications

3GPP
3GPP TS 27.007 V6.3.0 (2003-
06)
15
5
Release 6
Table C.9: +VLS label 1b
loudspeaker
computer i/p
transmit stage
microphone -->
computer o/p -->
receiver stage -->
*
- label=4: the phone is not connected to the radio network but there is an audio path to the internal speaker. This
allows the computer to play sound by selecting "transmit mode".
Table C.10: +VLS label 4
loudspeaker
computer i/p
transmit stage
microphone -->
computer o/p -->
*
receiver stage -->
- label=6: the phone is not connected to the radio network but there is an audio path to the internal microphone.
This allows the computer to record sound by selecting "receive mode".
Table C.11: +VLS label 6
loudspeaker
computer i/p
transmit stage
microphone -->
*
computer o/p -->
receiver stage -->
- label=7: the phone is connected to the radio network. The internal microphone is connected to the radio
transmitter. The radio receiver is connected to the internal loudspeaker. This allows the computer to enable
normal phone operation (a human holding a conversation) by selecting command mode.
Table C.12: +VLS label 7
loudspeaker
computer i/p
transmit stage
microphone -->
*
computer o/p -->
receiver stage -->
*
Table C.13: +VLS
Command
Return
+VLS=<n>
+VCON
+VLS?
<n>
+VLS=?
complex; refer IS-101
+VCON is returned if an audio path is established or if a connection is made to the radio network.
Manufacturer specific extension (reserved as such by IS-101)
- label=16: the phone is connected to the radio network. There is a path to the internal microphone, which is also
connected to the radio transmitter. There is a path to the radio receiver, which is also connected to the internal
loudspeaker. This allows the computer to record the sum of transmitted and received audio by selecting "receive
mode".
Table C.14: +VLS label 16
loudspeaker
computer i/p
transmit stage
microphone -->
*
*
computer o/p -->