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atefsaeed2010 / datacard

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DTMF error #23

Closed GoogleCodeExporter closed 9 years ago

GoogleCodeExporter commented 9 years ago 
sometimes, get this error:

ERROR[16552]: channel.c:622 channel_digit_begin: [datacard0] Error adding DTMF 
A command to queue

Original issue reported on code.google.com by pag...@gmail.com on 22 Dec 2010 at 10:38

GoogleCodeExporter commented 9 years ago 
look to at_command.c:497

/* unsupported, but AT^DTMF=1,22 OK and "2" sent
                case 'a':
                case 'b':
                case 'c':
                case 'd':
                        digit = toupper(digit);
                        // passthru
                case 'A':
                case 'B':
                case 'C':
                case 'D':
*/

A...D not supported by device, i think, or need another code.
Can't find documentation for AT^DTMF

Original comment by bg_...@mail.ru on 23 Dec 2010 at 9:22

GoogleCodeExporter commented 9 years ago 
Yes, confirmed DTMF letters are not working with Huawei modems. 

Anyway, using dadhdi with some old TDM cards, also getting spurious DTMF when 
talking and nobody pressed anything in keypad... This way, chan_datacard acts 
as a filter for this ;)

Original comment by pag...@gmail.com on 23 Dec 2010 at 6:29