Viking RG-4 1-Line Ring Shaper / Booster Choose Condition:New and extensive remote configuration and

and extensive remote configuration and provisioning choices

5 mm stereo input for connecting a music-on-hold source

Priority call queuing

The Snom Vision Expansion Module is an expansion module for the Snom 820/821 and Snom 870 VoIP Telephones

Viking RG-4 1-Line Ring Shaper / Booster Choose Condition:New and extensive remote configuration andViking RG 4 1 Line Ring Shaper Booster The Viking RG 4 1 Line Ring Shaper Booster is designed to reshape and increase the ringing power of an existing analog line, PABX extension, FXS port, IP phone system analog port or any other telecom device which provides ringing. The RG 4 duplicates the incoming ring cadence allowing it to be compatible with custom ring features. Features True Sine wave ring signal output Boosts ring to 4 REN Caller ID