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SIP to ISDN BRI

Hi there,

I have a new scenario for me... SIP service provider (as PSTN)... connected to my router with ISDN interfaces to a PBX (ISDN BRI) ...

Inbound Calls from SIP to myRouter > LAN IP Phone are ok...

Inbound Calls from SIP to myRouter-ISDN-PBX are being connected.. be I cannot hear anything...

Also...

Calls from IP Phone to PBX phones are Ok, using the same ISDN BRI interfaces...

Any help ?

Thank you.

Andrei.

1 Reply 1

paolo bevilacqua
Hall of Fame
Hall of Fame

No config, no traces == no help possible-