Description: Google Voice is a telephony service by Google that provides a phone number for making affordable calls within the U.S. and Canada. It has features like voicemail transcription, call screening, conference calling, and text messaging.
Type: software
Description: MicroSIP is an open source SIP softphone and instant messenger for making VoIP calls and sending IMs over the Internet. It supports standard SIP accounts from various providers and has features like audio/video calling, chat, presence, and more.
Type: software
Pricing: Open Source