API Call proposal

[Riccardo Vangelisti]

Il 11/05/2015 17:19, Aleksander Morgado ha scritto:
>> We have tested new mm with these modems:
>>   * Simcom SIM7250E
>>   * Telit GT863-PY
>>   * Falcom Twist
>>   * Huawei MU709S-2
>>
>> all modems works ! :)
>>
> Quick question; how do all these modems implement the actual voice
> channel? Is it a physical audio channel? Is it an audio channel going
> through a tty? Or...?
All of these modems have an analog voice channel through a PCM hardware 
codec.
>