We supply linksys PAP2 adapter with good price. Phone Adapter with 2 Ports for Voice-over-IP Feature-rich telephone service through your Internet connection Enables feature-rich telephone service over your cable or DSL Internet connection Two standard telephone jacks for your phones or fax machines, with independent phone numbers High quality, clear sounding voice service simultaneous with Internet use Compatible with all common telephone features: Caller ID, Call Waiting, Voicemail, etc.