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Chapter 2: Functions
2-1 General
S SERIES Security Phone provides GSM 900/1800/1900 Tri band service to receive and
make calls.
2-2 Text Message
Four speed dial keypads are able to send pre-programmed message (see sec 4-3-2).
2-3 Speed Dial Keypads
S SERIES Security Phone provides four speed dial keypads. The dial out number is to be
pre-programmed via message setting. S SERIES Security Phone is specially designed for the
children; therefore, there is no number keypads in order to avoid wrong dialing and complex
user interface.
SOS side keypads can immediately send pre-programmed message to three pre-programmed
receivers (see sec 4-4). SOS buttons serve as a speed dial keypad for emergency case. For
example, when a child is sick in school, he/she can use SOS Button sending pre-programmed
message to inform receivers. It is suggested that the first receiver to be the most important
contact person to achieve its urgency, safety and privacy (see sec 4-4)
2-4 Authorization
Only the authorized users could use message function to change relevant setting of S SERIES
Security Phone
2-5 Setting Confirmation
After security check, the user can use message function requesting S SERIES Security Phone
to confirm speed and SOS dial out number.
2-6 Setting Change Confirmation
When the setting changed, confirmation message will be send to the pre-programmed first
receiver to verify correctness of the setting.
2-7 Low Battery Notice
S SERIES Security Phone will send message to the first receiver when the battery is low.
