Intel MD566X Manual do Utilizador descarregar pdf (Página 90)

56K V.92 Data, Fax, and Voice Chipset

90 Intel Confidential Programmer’s Guide

+VLS=n

(cont.)

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

TTelco line

M0 Internal microphone

M1 External microphone

Internal speaker (requires squelch on any microphone activ-

ity)

External speaker (requires squelch on any microphone activ-

ity)

External microphone and speaker combination (handset or

headset)

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Intel MD566X Manual do Utilizador Página 90