2 distinguish calls, 1 identify the call type, 2 set the extended incoming call indication – Rainbow Electronics GM862-QUAD-PY User Manual

Page 40: At+crc=<n><cr

Advertising
background image





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 40 of 96

3.2 Distinguish Calls

3.2.1 Identify the Call type

The GM862-QUAD / PY is able to identify the call type before answering it, it is so possible to have
different ring indications (unsolicited codes) depending on the call type:

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: SYNC

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

+CRING: REL ASYNC

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

+CRING: REL SYNC

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

+CRING: FAX

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


In order to use this feature you must enable the extended format of incoming calls.

3.2.2 Set the extended incoming call indication

Send command

AT+CRC=<n><cr>


where:
<n> is the operation mode selected:

0 – extended results Disabled (device reports RING only)
1 – extended results Enabled (device reports +CRING: <type> indication)

wait for

OK

response

Advertising