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<body class='hmmessage'><div dir='ltr'><br>Hello my friends,<div><br></div><div><br> In my company we have a server Asterisk 1.8.10.0 with a E1 board. This board is set with protocol CAS R2.</div><div><br></div><div>Some times the asterisk show this Warning Messages:</div><div><br></div><div><div>[2014-09-12 09:10:08] ERROR[98573]: chan_dahdi.c:4294 dahdi_r2_write_log: Chan 6 - Protocol error. Reason = Invalid CAS, R2 State = Forced Release Transmitted, MF state = MF Engine Off, MF Group = Backward Group B, CAS = 0x0C</div><div><br></div>
<font style="" color="#002060"><font face="Arial"><div><font style="" color="#002060"><font face="Arial"><br></font></font></div><div><br></div><br>Can someone help me?<br><br></font></font><br></div> </div></body>
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