- 4-line Ring Booster And Shaper
- Boost Ringing On Fxs Ports Or Ip Phone System Analog Ports That Are Weak Or Fail
- Boost Ring Power On Analog Pabx/ksu Stations That Are Weak Or Fail
- Reshapes Troublesome Distorted Ringing Signals
- True Sine Wave Ring Signal Output
- Boosts Ring To 4 Ren
- Caller Id Compatible
- Easy Rj21x Installation
- Compatible With Distinctive Ringing Services
- Will Not Affect Normal Line Operation
- Reshapes Troublesome Square Wave Ringing
- Fax And Modem Compatible
- Not Compatible With Pulse Dialing
- Brand: Viking Electronics
