Intel MD566X - Manual (Page 90)

56K V.92 Data, Fax, and Voice Chipset
90 Intel Confidential Programmer’s Guide
+VLS=n
(cont.)
0
Relay/Playback Control: (cont.)
Voice I/O Primitive Codes
Note: For speakerphone applications, see ATI10, +VSP, and “Speakerphone
AT Command Requirements” in the Voice Application Note for more
details.
+VNH=n 0
Automatic Hang-Up Control: This command changes the way the modem re-
sponds to hang-up commands after it switches from voice mode to fax or data
modes.
n = 0–2
n = 0* The modem retains automatic hang-ups as normal in data and
fax modes
n = 1 The modem disables automatic hang-ups usually found in non-
voice modes
n = 2 The modem disables all automatic hang-ups usually found in
non-voice modes except a ‘logical’ hang-up
Table 6-1. Voice Mode Command Descriptions (Continued)
Primitive Code Description
L Local phone
T Telco line
M0 Internal microphone
M1 External microphone
S0
Internal speaker (requires squelch on any microphone activ-
ity)
S1
External speaker (requires squelch on any microphone activ-
ity)
H0
External microphone and speaker combination (handset or
headset)