Hosted private branch exchange (PBX) services are a staunch ... calling Free video conferencing software hosts up to 1,000 attendees Multi-device use 24/7 phone support locked behind Pro upgrade ...

Why settle for an ancient, analog PBX? The best voice over IP (VoIP) services we've tested deliver enterprise-grade phone system features for a small-business-friendly price.

The Preferred Software Membership program, which will be available to customers exclusively through Nortel channel partners, gives customers a predetermined, fixed, per-user rate for upgrading to ...