Owner manual

Telit GE864 and GC864 Product Description
80273ST10008a Rev. 14 - 18/09/08
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved page 17 of 62
2.11.13 Supplementary services (SS)
The following supplementary services are supported:
Call Barring,
Call Forwarding,
Calling Line Identification Presentation (CLIP),
Calling Line Identification Restriction (CLIR),
Call Waiting, other party call Waiting Indication,
Call Hold, other party Hold / Retrieved Indication,
Closed User Group supplementary service (CUG),
Advice of Charge,
Unstructured SS Mobile Originated (MO)
2.11.14 Acoustic signaling
The acoustic signaling of the GE864 and GC864 on the selected acoustic device are the following:
Call waiting;
Ringing tone;
SMS received tone;
Busy tone;
Power on/off tone;
Off Hook dial tone;
Congestion tone;
Connected tone;
Call dropped;
No service tone;
Alarm tone.
2.11.15 Buzzer output
The General Purpose I/O pin GPIO7 can be configured to output the BUZZER output signal, with only
an external MOSFET/transistor and a diode a Buzzer can be directly driven.
The ringing tone and the other signaling tones can be redirected to this Buzzer output with a specific
AT command.
2.11.16 RF Transmission Monitor
As alternate function of the GPIO5, the GE864 and GC864 provide the RF transmission monitor. When
the alternate function is activated, the pin of GPIO5 changes to HIGH every time the module transmits