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

Modem-on-Hold: Initiating a Voice Call in Data Mode

Enable MOH

(+PMH=0)

Command Mode

(+++AT)

Request to go on hold

(+PMHR)

Server

Accepts No (Returns 0)

Request?

Yes (Returns 1-13)

Disconnect? No

Flash Hook

(+PMHF)

Yes

Initiate Call

Finish Call

Flash Hook

(+PMHF)

Go Back Online

(ATO)

End Data Connection

(ATH)

32

Intel Confidential

Programmer’s Guide

Page 32
Image 32
Intel MD566X manual +Pmhr