No sound Digium tdm410p

When i receive a call i don’t have sound. Only the first time i receive a call on the digium card i have sound. Then i have to reset it.
On my sip phone i have no problems
Using:
asterisk 1.6.1.1
dahdi 2.2.0.1
dahdi-tools 2.2.0

Connected to Asterisk 1.6.1.1 currently running on darktower (pid = 23596)
Verbosity is at least 10
– Remote UNIX connection
== Using SIP RTP CoS mark 5
– Executing [087xxxxxxx@fromxs4all:1] Dial(“SIP/xs4all-0823d1f0”, “DAHDI/2&sip/werkkamer”) in new stack
– Called 2
== Using SIP RTP CoS mark 5
– Called werkkamer
– SIP/werkkamer-0824d8a8 is ringing
– DAHDI/2-1 is ringing
– DAHDI/2-1 is ringing
– DAHDI/2-1 answered SIP/xs4all-0823d1f0
– Hungup ‘DAHDI/2-1’
== Spawn extension (fromxs4all, 087xxxxxxx, 1) exited non-zero on 'SIP/xs4all-0823d1f0’
darktower*CLI>

Please contact Digium Technical Support.

Phone: +12564286161