The first complete guide to planning, evaluating, and implementing high-value SIP trunking solutions
Most large enterprises have switched to IP telephony, and service provider backbone networks have largely converted to VoIP transport. But there’s a...
LinkedIn For Dummies, 4th Edition
Build your network, find a job, and been seen as a thought leader
LinkedIn is your number-one personal branding tool, and this friendly guide shows you how to harness it to build connections and relationships—and stand out in the world's largest professional network. LinkedIn For Dummies walks you step by...
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