User's Manual

User's manual
58
Line Identification Service (Caller ID)
Through the service, users can view the Caller ID or do not
make their numbers displayed in each other's phone network
functionality.
GSM (Global System for Mobile Communications)
Cellular communications international standards to ensure
compatibility between different network operators. The GSM
system covers most European countries and in many places
around the world.
Multi-party call
Create up to 5 people at the same time participate in the call
of the conference call function.
Roam
Use of mobile phones (such as tourism) in the local service
area.