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536EX Chipset Developer’s Manual 77
Intel Confidential
IS-101 Voice Mode AT Commands
+VLS=m 0
Relay/Playback Control: This command controls the four µP relay drivers and controls hardware
paths for voice playback/record transmit and receive.
Preassigned Voice I/O Labels
Table 25. Voice Mode Command Descriptions (Continued)
Command Default Description
NOTE: An asterisk (*) denotes the factory-default setting.
<label> Primitive Code Description
0 None DCE on hook. Local phone connected to Telco.
1T
DCE off hook. DCE connected to Telco. Local phone provided with
power to detect the hook condition.
2 L DCE on hook. Local phone connected to DCE.
3LT
DCE off hook. Local phone connected to Telco. DCE connected to
Telco. (Not implemented. Return error.)
4S
Internal speaker connected to DCE. DCE on-hook. Local phone
connected to Telco.
5ST
Internal speaker connected to Telco. DCE off-hook. DCE
connected to Telco. Local phone provided with power to detect
hook condition.
6M
Internal microphone connected to DCE. DCE on hook. Local
phone connected to Telco.
7MST
Internal microphone and internal speaker connected to Telco.
Squelching active. DCE off hook. DCE connected to Telco. Local
phone provided with power to detect hook condition.
8S1
External speaker connected to DCE. DCE on-hook. Local phone
connected to Telco. (Implemented as 4. Speaker jack determines.)
9S1T
External speaker connected to Telco. DCE off hook. DCE
connected to Telco. Local phone provided with power to detect
hook condition. (Implemented as 5. Speaker jack determines.)
10 MS1T
Internal microphone and external speaker connected to Telco.
Squelching active. DCE off hook. DCE connected to Telco. Local
phone provided with power to detect hook condition. (Implemented
as 7. Speaker jack determines.)
11 M1
External microphone connected to DCE. DCE on hook. Local
phone connected to Telco. (Implemented as 6. Mic jack
determines.)
12 M1ST
External microphone and internal speaker connected to Telco.
Squelching active. DCE off hook. DCE connected to Telco. Local
phone provided with power to detect hook condition. (Implemented
as 7. Mic jack determines.)
13 M1S1T
External microphone and external speaker connected to Telco.
Squelching active. DCE off hook. DCE connected to Telco. Local
phone provided with power to detect hook condition. (implemented
as 7)
14 H
Handset or headset connected to DCE. DCE on hook. Local phone
connected to Telco.
15 HT
Handset or headset connected to Telco. DCE off-hook. DCE
connected to Telco. Local phone provided with power to detect
hook condition.
16 HT
Handset or headset connected to Telco with microphone muted.
DCE off-hook. DCE connected to Telco. Local phone provided with
power to detect hook condition.