[Freeswitch-users] Gsmopen : no audio in huawei e1550

[Dmitry Lysenko]

I should correct this:
----
>Usually ttyUSB0 is accepting  AT-commands, but will not reply with OK or
ERROR, ttyUSB1 is used for >audio, and ttyUSB2 is accepting AT-commands and
replying  as normal serial modem.
----
I checked other E1550 modem and it responds to AT-commands with OK/ERROR on
both serial ports (first and last), but messages indicating external
events,such as "RING", will appear only on one of this ports. This port
should be used for control device, usually it has bigger number. It seems
that it depend of modem firmware version.

Best regards,
 Dmitry.

2012/8/21 Dmitry Lysenko <dvl36.ripe.nick at gmail.com>

> Are you using "option" linux driver?
> I checked Huawei E1550, E153 and E173 modems on some systems and they have
> only 3 virtual serial ports.(using "option" driver)
> Also you can check manually with minicom.
> Usually ttyUSB0 is accepting  AT-commands, but will not reply with OK or
> ERROR, ttyUSB1 is used for audio, and ttyUSB2 is accepting AT-commands and
> replying  as normal serial modem.
>
>
> 2012/8/21 Sameer Khan <sameer2k3t at gmail.com>
>
>> It didn't for me, according to wvdial my modem is ttyUSB0 and ttyUSB3
>>
>> On Mon, Aug 20, 2012 at 1:43 PM, Dmitry Lysenko <
>> dvl36.ripe.nick at gmail.com> wrote:
>>
>>>
>>> Hello.
>>> Try:
>>>  <param name="controldevice_name" value="/dev/ttyUSB2"/>
>>>  <param name="controldevice_audio_name" value="/dev/ttyUSB1"/>
>>> It's worked for me.
>>>
>>> 2012/8/20 Sameer Khan <sameer2k3t at gmail.com>
>>>
>>>>  Hi,
>>>>
>>>> I can't get audio working with e1550
>>>>
>>>> I have this config :
>>>>     <interface id="1" name="gsm01">
>>>>       <param name="controldevice_name" value="/dev/ttyUSB0"/>
>>>>       <param name="controldevice_audio_name" value="/dev/ttyUSB3"/>
>>>>
>>>> I tried swaping 0 and 3 but having same results
>>>>
>>>> I am originating a call from softphone and answering it on cell phone
>>>> but softphone doesn't get notified of being answered and keeps ringing
>>>>
>>>> Please help
>>>>
>>>> Thanks
>>>>
>>>>
>>>>
>>>> _________________________________________________________________________
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>>>
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>>> 
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>>
>> _________________________________________________________________________
>> Professional FreeSWITCH Consulting Services:
>> consulting at freeswitch.org
>> http://www.freeswitchsolutions.com
>>
>> 
>> 
>>
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>>
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>
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