8 answer an incoming call, Ata<cr – Rainbow Electronics GM862-QUAD-PY User Manual

Page 30

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GM862-QUAD / PY Software User Guide

1vv0300747 Rev. 3 - 10/07/07

Reproduction forbidden w ithout Telit Communications S.p.A. w ritten authorization - All Rights Reserved

page 30 of 96

2.8 Answer an incoming Call

When an incoming call is detected the device reports an unsolicited code which may be:

Unsolicited code

Reason

RING

The extended format of incoming call indication is
disabled and a call (voice or data) is incoming.

+CRING: VOICE

The extended format of incoming call indication is
enabled and a voice call is incoming.

+CRING: ASYNC

The extended format of incoming call indication is
enabled and an asynchronous transparent data call
is incoming.

+CRING: REL ASYNC

The extended format of incoming call indication is
enabled and an asynchronous reliable (not
transparent) data call is incoming.

+CRING: SYNC

The extended format of incoming call indication is
enabled and a synchronous transparent data call is
incoming.

+CRING: REL SYNC

The extended format of incoming call indication is
enabled and a synchronous reliable (not
transparent) data call is incoming.

+CRING: FAX

The extended format of incoming call indication is
enabled and a fax call is incoming.


To answer the call:

Send command

ATA<cr>

wait for response:

Response

Reason

Action

CONNECT 9600

The incoming call was a DATA
one and called modem is now
on line.

exchange data

ERROR

No incoming call is found, call
may have been lost

call lost

NO CARRIER

The incoming call was a DATA
one and the modem
handshaking has not been
successful

check for mobile registration
and signal strength and modem
settings.

OK

The incoming call was a VOICE
call and is now active.

proceed ahead

TIP: The call is answered with the appropriate type (VOICE or DATA) regardless of the
+FCLASS setting active. To distinguish between Data and Voice see the command response or
the extended format incoming call indication

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