Phone system buying disasters can prove costly for any business. Unfortunately this hard lesson is learned too often as companies upgrade their phone systems. This guide gets advice from phone system managers who were forefront in remedying phone system disasters. Topics like buying incompatible hardware, or brands with bad customer service, or companies with a bad SIP service together are covered. Also see other phone system buying oversights that created disasters that could have been averted with proper preparation and foresight.

This guide includes information on:

• Buying a system with proprietary hardware
• Compatibility of VoIP systems
• Improving sound quality and performance