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- Viking ring generator
- Reshapes troublesome distorted ringing signals
- Boosts ringing power of analog ISDN Terminal Adapter Ports
- Use with Vikings doorboxes to increase the number of phones they can ring
- Boost ring power on telephone lines or analog PABX/KSU stations that are weak or fail
- True Sine wave ring signal output
- Boosts ring to 4 REN
- Caller ID compatible
- Easy installation
- Compatible with distinctive ringing services
- Will not affect normal line operation
- Reshapes troublesome square wave ringing
- Not compatible with pulse dialing
- VKRG4
