1&1 DSL VoIP

Discussion in '3CX Phone System - General' started by SECOIT GmbH, Jul 18, 2017.

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  1. SECOIT GmbH

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    Hello,

    Has one of you successfully running 1&1 VoIP via 3CX in Germany? If so could you attach a screenshot of the "Options", "Inbound Parameters" and "Outbound Parameters" tabs?
    That would be great! This would save me from doing trial and error at one of my customers.

    3CX wrote a few manuals for 1&1 and added them as official PBX Express provider but looks like someone forgot to set up 1&1 in the list of SIP trunks. ;)

    Thanks,
    Michael
     
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