United Mobile+ (new service with +44 Jersey number)

[saintsimon]

Originally Posted by TheMadBrewer

I now get that on my new UM+ -- it sounds to me like a slow busy signal but with every other tone a slightly higher pitch. Still get "invalid number" on the upgraded UM+ (whether phone is on or off)....!

My my upgrade-UM+ now also has this strange two-tone signal when unavailable since it has been reactivated.