User Manual

User's manual
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eed it to switch between the two calls.
Call Waiting
During the call, inform the user there was another call.
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 phon
e network functionality..
GSM (Global System for Mobile Communications)
Cellular communications international standards to ensure
compatibility between different network operators. The G
SM system covers most European countries and in man
y places around the world.
Multi-party call
Create up to 5 people at the same time participate in th
e call of the conference call function.