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6 IP Telephony Companies

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San Jose Networks

Since 1991 San Jose Networks has been providing the Bay Area with the highest quality structured cabling for data centers, co-location facilities, ser ... show more

780 Montague Expressway, Suite 206, San Jose, CA 95131, United States

SonicWALL, Inc.

Over 25 years, SonicWall has been the industry’s trusted security partner, protecting millions of networks worldwide.

1160 Bordeaux Dr., Sunnyvale, CA 94089, United States

AltiSys Communications, Inc.

AltiSys Communications, Inc. is a leading solution provider of advanced enterprise computer systems for mission-critical business applications.

1289 Reamwood Avenue, Suite H, Sunnyvale, CA 94089, United States

ShoreTel, Inc.

ShoreTel is one of the largest providers of cloud, premises-based and hybrid business telephony and unified communications (UC) solutions.

960 Stewart Dr., Sunnyvale, CA 94085, United States

Alvarion, Inc.

Alvarion Technologies is a global provider of autonomous Wi-Fi networks designed with self-organizing capabilities that enable constantly optimized pe ... show more

555 North Mathilda Ave., Suite 210, Sunnyvale, CA 94086, United States

NCast Corporation

NCast products and services are industry breakthroughs in the delivery of corporate presentations over IP networks.

155A Moffett Park Dr., Suite A-103, Sunnyvale, CA 94089, United States