620 Series IPPhone
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Ultrative Communication
“Left”: Open “Received Calls” list;
“Right”: Open “Dialed Numbers” list
18
OK
OK button: To confirm the action;
19 Hands-free
speakerphone
Hands-free voice of the output.
20
LCD screen
480*272 pixel Color high-definition display.
21 Status
light
Red flashing: There are incoming call;
Red, steady: Missed Calls, or phone busy;
22 Hands-free
microphone
Hands-free voice of the output.
23 Line
Expansion
Module
Maximum support 6 ESM32 line expansion module (the total of
192 programmable buttons)
Figure 3.2 Interfaces of 620 Series
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