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Keith Cook

Control your own network transition by staying a step ahead of AT&T’s Withdrawal of Service Matrix

Posted on by Keith Cook

The following is a guest post by Keith Cook, a TC2 Project Director based in the Atlanta area. By now, most of AT&T’s large enterprise customers are probably at least vaguely aware of the carrier’s “Withdrawal of Service Matrix.” This … Continue reading


Don’t just blindly buy SIP Trunking from your incumbent

Posted on by Keith Cook

The following is a guest post by TC2 Project Director Keith Cook, who is based in the Atlanta area. In the fall of 2011 David noted the clever ways in which incumbent carriers like Verizon and AT&T would pull you … Continue reading


Giving enterprise-ready competitive carriers a chance to succeed

Posted on by Keith Cook

The following is a guest post by TC2 Project Director Keith Cook, who is based in the Atlanta area. We’re seeing a resurgence of a second tier carrier market. Several long-standing telecom names whose attention to enterprises had been spotty … Continue reading