“Is this phone system compatible with charter/spectrum voice services? This is an internet phone system Thank you!”

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• Vivian - The VTech CM18245 is an expansion deskset only. You need the main telephone base model VTech CM18445 for the system to function. The telephone system is designed to work with analog, digital or VOIP residential type of service. Thank you, -VTech Support

  Answered by VTech_Support 6 years ago

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