The Quintum® Tenor® AX Series gives small to medium sized businesses, SOHOs and branch offices with analog voice infrastructures an easy, cost-effective way to capitalize on the power of Voice over IP (VoIP).

Tenor offers a complete survivable branch office solution providing support for integrating analog endpoints and the PSTN, while offering backup call processing support for all SIP and analog calls. Both versions of Tenor still include the features that made Quintum the VoIP market value leader