User's Manual

data transmission and

voice conversation at

anytime

Example 2 :

Local Modem Remote Modem Comments

DTE DCE DTE DCE

User have establish

voice converastion

and both handsets are

off hook

AT&F AT&F reset modems

OK OK

AT-SMS=2 AT-SMS=2 Enables SVD function

OK OK

ATD Local modem start

data negotiation

RING Remote modem response

to RING by answering

ATA

CONNECT 28800 CONNECT 28800

SVD connection is

established and user

can resume voice

conversation

Note : The handset will be silenced suring the negotiation period