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Numbergroup
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FAQs
Technical
How to setup an X-lite Softphone
Which DTMF tones do you support?
What sip domain do I use when connecting to Numbergroup?
What’s your service uptime?
How to Stop Ghost Calls
Where can I find more information about your Numbering API?
My PBX handset has lost registration. We haven't changed anything! Why has this happened?