VoiceMeUp has the slogan “simplicity and reliability”, and aims to be an efficient and sturdy VoIP provider. Since being made available to the public in 2006 it has provided a large number of services to commercial customers worldwide and makes use of a high-quality network hosted in Montreal. Take a look at its free trial offer and see if you want to commit.
Free On Demand Plan
Get a free VoIP account at VoiceMeUp and pay only for the phone calls that you're making by opting for the Essential On Demand plan. This package doesn't have any monthly costs whatsoever.