[asterisk-r2] Problem MFC R2

[Juan Carlos Gonzalez Cardona]

Hi everyone, yesterday my server show me this error

ERROR[8167] chan_dahdi.c: Chan 2 - Protocol error. Reason = Seize Timeout,
R2 State = Seize Transmitted, MF state = MF Engine Off, MF Group = Forward
MF init, CAS = 0x8
DNIS = 3409954, ANI = 3323565, MF = 0x20
ERROR[8167] chan_dahdi.c: MFC/R2 protocol error on chan 2: Seize Timeout

The internal calls is ok, and the sip trunks is ok, only the signal of my
E1-R2 is off, i need to restar my server physically to restore de service, I
am worried, because this problem? I have 2 months working without problems
until yesterday and today who repeatedly passed,

Thank's

-- 
Juan Carlos Gonzalez C.
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