Error while decoding Q.931 message

Guys,

i’m trying to setup a trunk with panasonic kx-td 0490 card. the calls from asterisk works just fine whith whis message:

pbxCLI> Table:
G.711-ALaw-64k <1>
G.711-uLaw-64k <2>
GSM-06.10 <3>
G.729A <4>
G.729 <5>
UserInput/hookflash <6>
UserInput/basicString <7>
Set:
0:
0:>
G.711-ALaw-64k <1>
G.711-uLaw-64k <2>
GSM-06.10 <3>
G.729A <4>
G.729 <5>
1:>
UserInput/hookflash <6>
2:
UserInput/basicString <7>
pbx
CLI>
pbxCLI>-- Sending SETUP message
Q.931 message data is 7 octets {
08 01 82 02 18 01 89 …
}bx
CLI>
Error while decoding Q.931 message
Q.931 message data is 44 octets {
08 01 82 01 1e 02 81 88 1c 22 91 aa 06 80 01 00 …"…
82 01 00 8b 01 00 a1 14 02 01 41 06 04 2b 0c 09 …A…+…
01 80 09 c0 eb e5 ea f1 e0 f5 e8 ed …
}bx*CLI>
Error while decoding Q.931 message

the calls from panasonic does’t work at all. they hear early media from asterisk and after phone pick up call just getting dropped. can someone help me?

thank you in advance.