Zoiper - Cross-platform VoIP softphone dialer for SIP and IAX systems
8x8 X Series - X Series connects teams across channels and around the globe, giving you access your most critical information securely, from any location.
MicroSIP - MicroSIP is a free portable SIP softphone for Windows based on PJSIP stack.
Vonage Business Communications - Vonage Business Communications transforms communications and activates conversations anytime, anywhere. Learn more about unified communications now!
Sipnetic - Sipnetic is a free VoIP softphone based on the SIP protocol.
Genesys Cloud - As the foundation of great customer experience, the Genesys PureCloud contact center platform empowers your business to provide excellent service across the entire customer journey.