Owner manual

GM862-QUAD / PY Software User Guide

1vv0300747 Rev. 3 - 10/07/07

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

response