
Abacus Group, Inc. makes open source telephony simple. Their platforms tie together voice, video, fax, mobile, IM, chat, conferencing and presence on a single site single server or across multiple peered “web aware” servers to transform the way businesses communicate and collaborate. Abacus Group serves a client base that includes a cross section of over 2,500 system installations in high tech, finance, health care, education, government, professional service firms and general business.