[asterisk-r2] Invalid CAS

[Anton Krall]

Ive been getting a lot of these:

[23:48:22:919] [Thread: 14298016] [Chan 5] - Call started at Sun Dec 20
23:48:22 2009 on chan 5
[23:48:22:919] [Thread: 14298016] [Chan 5] - CAS Tx >> [SEIZE ACK] 0x0C
[23:48:22:919] [Thread: 14298016] [Chan 5] - CAS Raw Tx >> 0x0D
[23:48:22:921] [Thread: 14298016] [Chan 5] - Bits changed from 0x00 to 0x0C
[23:48:22:921] [Thread: 14298016] [Chan 5] - CAS Rx << [0x0C] 0x0C
[23:48:22:921] [Thread: 14298016] [Chan 5] - Protocol error. Reason =
Invalid CAS, R2 State = Seize ACK Transmitted, MF state = Seize ACK
Transmitted, MF Gro
up = Backward MF init, CAS = 0x0C
DNIS = , ANI = , MF = 0x20
[23:48:22:921] [Thread: 14298016] [Chan 5] - Attempting to cancel timer
timer 0
[23:48:22:921] [Thread: 14298016] [Chan 5] - Cannot cancel timer 0

What does this mean? This happens when a call comes in... Telmex E1