Since the Y2K bubble, companies have been reluctant to invest in their private branch exchanges. Now, many face
aging telephone systems that are reaching end-of-life. What
are the upgrade options?

Infographic: Migrating Your PBX

Click here to view the high resolution PDF version.

More Resources

Magic Quadrant for Corporate Telephony

This white paper examines the leaders, challengers, niche players and visionaries in the corporate telephony market as they compete to meet the increasing demands of voice and unified communications to budget-conscious enterprise clients. Download

The When, Where and How of Cisco vs. Microsoft for UC

Recent research by Kerravala Consulting shows that a primary decision point in the evaluation of unified communications offerings is: Cisco or Microsoft? This white paper examines the relative strengths and weakness of each vendor in the corporate UC market. Download

Analyst Briefing: IT Evaluates Microsoft and Cisco for Unified Communications

Unified communications vendors claim their solutions will empower
workers to work the way they want while addressing IT security,
scalability, and cost efficiency requirements. But which vendor solution delivers on those claims?Industry veteran and analyst Zeus Kerravala interviewed IT
professionals involved with unified communications deployments to find
that answer. Watch on Demand

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