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SIMADO GDT11 System Manual
Voice Services
What’s this?
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SIMADO GDT11 supports making and receiving voice calls.
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User has to just connect Headphone to the jack provided at rear side of the GDT11 and use AT commands.
User can also connect Handset for sending and receiving voice signal.
Note:
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Do not connect Handset and Headphone simultaneously (parallel).
How Voice Services work
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Incoming call is indicated by appearance of ‘RING’ on the HyperTerminal connection.
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Speech is routed to head phone and can be answered with proper audio gain setting. Audio gain setting is
programmable.
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The side tone signal can be minimized by setting level of MIC feedback to speaker.
How to use Voice Services
Audio Signals
Following voice related commands are used:
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Audio Path Setting.
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Receive Gain Setting.
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Transmit Gain Setting.
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Sidetone Setting.
Initiating Voice Call
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Activate voice call by ATD <string>;
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Dial the number by ATD<n>; from the HyperTerminal. Where n = number to be dialed.
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When called party attends the call, speech is established.
Receiving a Voice Call
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When incoming call is for GDT11, RING is indicated on HyperTerminal.
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Enter ATA command on indication of RING.
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Speech is established.
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Terminate the call by ATH command.
Summary of Contents for GDT11
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Page 68: ...68 SIMADO GDT11 System Manual Appendix B Regulatory Information ...
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