After the widespread adoption of cell phones in the 2000s, softphones have become the next big step forward in telecommunications technology. Softphones allow users to make and receive calls via cell ...

In our test of two Session Initiation Protocol-based freeware softphone options — PortSIP and Phoner — we required them to register and place calls via both freeware Asterisk 1.2 and Zultys MX 250 ...

Softphones are web-based apps that mimic the functionality of traditional desk phones. By leveraging Voice over Internet Protocol (VoIP) technology, softphone apps enable you to make or receive calls ...

Since we first tested softphones in 2002, they have improved to tap into wider broadband pipes, faster CPUs and more capable versions of Windows. They’re less expensive, too. CounterPath and ...