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Review: Take a closer look at softphones.PC-based VoIP software, referred to as either IP-based soft clients or softphones, the allow end users to employ their own desktops and laptops as voice ...
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 ...