If i call from the outside to the server i cannot use the IVR menu. It seems like that the DTMF tones are not recognized by the Mediaserver. When dialing to an extension which is connected to the 3cx server and press some digits on the phone you can hear them over the speakers. So, the DTMF are send in the voice stream. When dial internal it works fine but the digits will be send not in the voice stream. Is there something else we could check?