Tag Archives: vvx 911

Polycom VVX firmware 5.3+ will bypass Dial Plan normalization for 911 in Skype for Business and calls could fail

Hopefully the title of this blog has scared you into reading more and also testing in your own environment! Today I was pulled into a support case where a client was testing 911 while switching sip providers, they discovered that the Skype for Business client was successful but the Polycom VVX would fail to make… Read More »