[asterisk-r2] MFCR2 Protocol error

[Marcio Oliveira]

Hi Guys ,

We are receiving the error bellow in some calls .
Can you help-me to solve this ?
Thanks !



[Mar  1 08:26:57] WARNING[26369] chan_dahdi.c: Chan 79 - MF back cycle
timed out!
[Mar  1 08:26:57] ERROR[26369] chan_dahdi.c: Chan 79 - Protocol error.
Reason = Multi Frequency Cycle Timeout, R2 State = Seize ACK
Transmitted, MF state = Category Request Transmitted, MF Group =
Backward Group A, CAS = 0x00
DNIS = 94, ANI = , MF = 0x20
[Mar  1 08:26:57] ERROR[26369] chan_dahdi.c: MFC/R2 protocol error on
chan 79: Multi Frequency Cycle Timeout


MFCR2 - LOG

[08:26:47:064] [Thread: 3077389200] [Chan 79] - M - Call started at
Thu Mar  1 08:26:47 2012 on chan 79 [openr2 version 1.2.0, revision
exported]
[08:26:47:064] [Thread: 3077389200] [Chan 79] - M - CAS Tx >> [SEIZE ACK] 0x0C
[08:26:47:064] [Thread: 3077389200] [Chan 79] - M - CAS Raw Tx >> 0x0D
[08:26:47:765] [Thread: 3077389200] [Chan 79] - M - MF Rx << 9 [ON]
[08:26:47:765] [Thread: 3077389200] [Chan 79] - M - Attempting to
cancel timer timer 0
[08:26:47:765] [Thread: 3077389200] [Chan 79] - M - Cannot cancel timer 0
[08:26:47:765] [Thread: 3077389200] [Chan 79] - M - Getting DNIS digit 9
[08:26:47:765] [Thread: 3077389200] [Chan 79] - M - DNIS so far: 9,
expected length: 15
[08:26:47:766] [Thread: 3077389200] [Chan 79] - M - Requesting next
DNIS with signal 0x31.
[08:26:47:766] [Thread: 3077389200] [Chan 79] - M - MF Tx >> 1 [ON]
[08:26:47:766] [Thread: 3077389200] [Chan 79] - M - scheduled timer id
2 (mf_back_cycle)
[08:26:47:865] [Thread: 3077389200] [Chan 79] - M - MF Rx << 9 [OFF]
[08:26:47:865] [Thread: 3077389200] [Chan 79] - M - MF Tx >> 1 [OFF]
[08:26:47:985] [Thread: 3077389200] [Chan 79] - M - MF Rx << 4 [ON]
[08:26:47:985] [Thread: 3077389200] [Chan 79] - M - Attempting to
cancel timer timer 2
[08:26:47:985] [Thread: 3077389200] [Chan 79] - M - timer id 2 found,
cancelling it now
[08:26:47:985] [Thread: 3077389200] [Chan 79] - M - Getting DNIS digit 4
[08:26:47:985] [Thread: 3077389200] [Chan 79] - M - DNIS so far: 94,
expected length: 15
[08:26:47:986] [Thread: 3077389200] [Chan 79] - M - Requesting next
DNIS with signal 0x31.
[08:26:47:986] [Thread: 3077389200] [Chan 79] - M - MF Tx >> 1 [ON]
[08:26:47:986] [Thread: 3077389200] [Chan 79] - M - scheduled timer id
3 (mf_back_cycle)
[08:26:48:045] [Thread: 3077389200] [Chan 79] - M - MF Rx << 4 [OFF]
[08:26:48:045] [Thread: 3077389200] [Chan 79] - M - MF Tx >> 1 [OFF]
[08:26:52:985] [Thread: 3077389200] [Chan 79] - M - Attempting to
cancel timer timer 3
[08:26:52:985] [Thread: 3077389200] [Chan 79] - M - timer id 3 found,
cancelling it now
[08:26:52:985] [Thread: 3077389200] [Chan 79] - M - calling timer 3
(mf_back_cycle) callback
[08:26:52:985] [Thread: 3077389200] [Chan 79] - M - MF cycle timed
out, no more DNIS
[08:26:52:985] [Thread: 3077389200] [Chan 79] - M - scheduled timer id
4 (mf_back_resume_cycle)
[08:26:52:985] [Thread: 3077389200] [Chan 79] - M - MF Tx >> 5 [ON]
[08:26:52:985] [Thread: 3077389200] [Chan 79] - M - scheduled timer id
5 (mf_back_cycle)
[08:26:53:145] [Thread: 3077389200] [Chan 79] - M - Attempting to
cancel timer timer 4
[08:26:53:145] [Thread: 3077389200] [Chan 79] - M - timer id 4 found,
cancelling it now
[08:26:53:145] [Thread: 3077389200] [Chan 79] - M - calling timer 4
(mf_back_resume_cycle) callback
[08:26:53:145] [Thread: 3077389200] [Chan 79] - M - MF Tx >> 5 [OFF]
[08:26:57:986] [Thread: 3077389200] [Chan 79] - M - Attempting to
cancel timer timer 5
[08:26:57:986] [Thread: 3077389200] [Chan 79] - M - timer id 5 found,
cancelling it now
[08:26:57:986] [Thread: 3077389200] [Chan 79] - M - calling timer 5
(mf_back_cycle) callback
[08:26:57:986] [Thread: 3077389200] [Chan 79] - M - MF back cycle timed out!
[08:26:57:986] [Thread: 3077389200] [Chan 79] - M - Protocol error.
Reason = Multi Frequency Cycle Timeout, R2 State = Seize ACK
Transmitted, MF state = Category Request Transmitted, MF Group =
Backward Group A, CAS = 0x00
DNIS = 94, ANI = , MF = 0x20
[08:26:57:986] [Thread: 3077389200] [Chan 79] - M - Attempting to
cancel timer timer 0
[08:26:57:986] [Thread: 3077389200] [Chan 79] - M - Cannot cancel timer 0