Analog Telephone Adapter Model:VIP-157S by King I.T. - YouTube
Salvage Legacy Equipment with the VIP-157— Telephone Analog Adapter
ATA User's manual
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User manual for Planet Technology VoIP Analog Telephone Adapter VIP-157S - a user manual, servicing manual, settings and specifications ofPlanet Technology VoIP Analog Telephone Adapter VIP-157S - User manuals and advice for