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Ships within 48 hours · Estimated delivery Aug 14 - Aug 19
The Snom Vision Expansion Module is an expansion module for the Snom 820/821 and Snom 870 VoIP Telephones
5 mm stereo input for connecting a music-on-hold source
SIP-Addressable Groups
Includes a cooling fan
Priority call queuing
Viking RG-4 1-Line Ring Shaper / Booster Choose Condition:New The Snom Vision Expansion ModuleViking 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
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