ISDN strange/wrong incoming Number?

I try to setup a S50 with the 2Bri module. One of the BRI as a trunk.

I can make outgoing calls. I also can receive calls if I accept any DID.

But when I create an incoming rule to filter by DID the call will never be accepted.

When I allow any DID, The number called is always "6201" regardles which MSN the caller tried to reach.

ISDN is Germany, MSN. I tried to change the parameters of the trunk but that did not make it any better.

The BRI parameters are: Peer to multiple Peeer (for MSN numbering - correct?)

Switch Type: EuroISDN

Signaling: User

Everything else: defaults

What can I do to correctly identfy the called number?

Please help. Thank you in advance.



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