[asterisk-r2] Error 23897

[Manuel Angel Ochoa Sandoval]

Hello,

Today I installed asterisk with openR2 and I have the error 23897, I 
integrate with panasonic TDA 200 and I can send calls to Panasonic but i 
can`t receive calls. 

[Jul 11 08:48:34] ERROR[23897]: chan_dahdi.c:1028 
dahdi_r2_on_protocol_error: MFC/R2 protocol error on chan 32: Multi 
Frequency Cycle Timeout
[Jul 11 08:48:34] NOTICE[23897]: chan_dahdi.c:1241 
dahdi_r2_on_line_idle: Far end unblocked on chan 32

Can you help me about this error? and  tell me How to debug MFC channels?

Best Regards.