[asterisk-r2] OpenR2 and A104DE (Sangoma Technologies)

[Moises Silva]

On Mon, Feb 23, 2015 at 12:12 PM, Josué Conti <josueconti at gmail.com> wrote:

> [2015-02-19 11:23:27] ERROR[10903]: chan_dahdi.c:2004 dahdi_r2_write_log:
> Chan 105 - Protocol error. Reason = Invalid Multi Frequency Tone, R2 State
> = Seize ACK Transmitted, MF state = DNIS Request Transmitted, MF Group =
> Backward Group A, CAS = 0x00
> DNIS = 00019054741990, ANI = , MF = 0x46
> [2015-02-19 11:23:27] ERROR[10903]: chan_dahdi.c:1789
> dahdi_r2_on_protocol_error: MFC/R2 protocol error on chan 105: Invalid
> Multi Frequency Tone
>

>From these logs, this is an inbound cal (R2 state is Seize ACK
Transmitted). It seems a lot of DNS has been received already (full number
00019054741990). The error occurs when trying to request more DNIS (MF
State = DNIS Request Transmitted). The error is that the MF tone received
(0x46) is unexpected (that tone is 'F').

It seems they are trying to send you an 'F' digit, possbily to indicate 'No
More DNIS Available'. In the Brazilian variant that is not valid. You can
work-around it by creating a custom r2proto.conf file with this:

mf_g1_tones.no_more_dnis_available=F

That will accept tone 'F' to indicate no more DNIS available.

Cheers,

Moy

Moises Silva

Manager, Software Engineering



Sangoma Technologies

100 Renfrew Drive, Suite 100, Markham, Ontario, Canada L3R 9R6

T +1 905 474 1990 x128 | toll-free in North America +1 800 388-2475 | F +1
905 474 9223

www.sangoma.com





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