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Product Features
2.1.3.3
Technical Description
The path features provide full control over the navigation of the audio in the product.
The gain features provide full control over the volume levels of the different output accessories and tones.
The algorithm provides full control over activation/deactivation of audio quality features such as echo canceling and noise
suppression.
The user can access these features by means of AT commands. These are described later in this document.
2.1.4
Java API
2.1.4.1
Overview
Java API provides a new dimension to the g20 integration. In the regular standard configuration the g20 is connected to a
terminal via RS232 and controls it using a set of AT commands. Java API enables the user to write and execute Java written
programs directly on the g20's CPU. No terminal or additional hardware (CPU and memory devices) are needed.
SPKR
MIC
Java API will be included in the g20 phase 2 release.
Note
2.1.4.2
Features and Benefits
Java API provides the following benefits:
• Writing applications in a standard programming language (Java).
• No additional hardware (CPU, memory devices) required.
• Easy development and testing using known tools. Users can develop their applications without g20 hardware.
8
User Code (Java)
Output Lines
Input Lines
A/D
Figure 5. g20 API Java Approach
g20
Voice
CSD Data
GPRS
SMS
98-08901C68-O
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