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Jeremy Isherwood

M9R Dect Whats the port numbers used?

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I have three M9 phones in three separate locations, all going back to the same SnomONE, a few weeks ago two stopped registering with the SnomONE, the local one works fine but the two satellite ones will not register any identity.


I have asked my ISP if they have any port blocking on and they have asked what port numbers are being used. Can anybody help?


In the satellite offices we have Snom 870's working fine, its just the M9's that don't.


Thanks for looking



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