Loud extention ringer with led,

[John3232]

We have moved from b.t analogue phone lines to EE full fibre digital. Need help with modernizing equipment. Louder extension with led replacement please. Any ideas please. 

[JimM11]

@John3232 Your hub is still an ATA output so you are aware.

Extra Loud Ringers for Warehouses - Factories - Workshops etc - PMC Telecom