[asterisk-r2] problem with link between asterisk 1.8.20.0 & TDA200

Fri May 16 14:34:56 CDT 2014

The link between an Asterisk V1.8.20.0 and a Panasonic PBX KX.TDA200 give
me the following errors:

[May 16 03:32:01] ERROR[9330] chan_dahdi.c: Chan 1 - Protocol error. Reason
= Invalid CAS, R2 State = Seize ACK Received, MF state = DNIS Digit
Transmitted, MF Group = Forward Group I, CAS = 0x08
DNIS = 100, ANI = 504, MF = 0x20
[May 16 03:32:01] ERROR[9330] chan_dahdi.c: MFC/R2 protocol error on chan
1: Invalid CAS

Attach my dahdi-channels.conf and my system.conf
 Please anyone help me
Jose
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.digium.com/pipermail/asterisk-r2/attachments/20140516/37c07641/attachment.html>
-------------- next part --------------
[May 16 03:32:01] ERROR[9330] chan_dahdi.c: Chan 1 - Protocol error. Reason = Invalid CAS, R2 State = Seize ACK Received, MF state = DNIS Digit Transmitted, MF Group = Forward Group I, CAS = 0x08
DNIS = 100, ANI = 504, MF = 0x20
[May 16 03:32:01] ERROR[9330] chan_dahdi.c: MFC/R2 protocol error on chan 1: Invalid CAS
-------------- next part --------------
A non-text attachment was scrubbed...
Name: dahdi-channels.conf
Type: application/octet-stream
Size: 989 bytes
Desc: not available
URL: <http://lists.digium.com/pipermail/asterisk-r2/attachments/20140516/37c07641/attachment.obj>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: system.conf
Type: application/octet-stream
Size: 606 bytes
Desc: not available
URL: <http://lists.digium.com/pipermail/asterisk-r2/attachments/20140516/37c07641/attachment-0001.obj>