Hi,
we test voice branch also with the Huawei ME-909s-120 modem with
firmware 23.613.61.00.00.
This modem/firmware provides a new unsolicited command (^CSCHANNELINFO)
received twice between ATD and OK replies.
With this sequence MM parser seems to miss the "OK" reply.
In order to resolve this issue, I have applied a patch to our branch
that's ignore this new command.
https://bitbucket.org/riccardovangelisti/modemmanager/commits/2ef17b63ae0643b9c1f9134debe10c42495060e5
Note that ^CSCHANNELINFO seems to be not documented in any AT commands
reference.
Regards,
Marco.
On 11/05/15 17:23, Riccardo Vangelisti wrote:
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.
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Marco Bascetta - Sadel SpA
Software Development
Via Serenari 1, Castel Maggiore (BO)
Tel. 051 705884 Int. 2609
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