VoIP/SIP client (softphone) for Windows
What is SIP Client?
Zoiper - Free VoIP SIP softphone dialer with voice, video and instant messaging :: Zoiper
Softphone.Pro - VoIP Softphone for Business
Adore Infotech
Express Talk (SIP softphone)
SessionCloud SIP Softphone – Applications sur Google Play
GitHub - soramimi/qSIP: VoIP/SIP client (softphone)
GitHub - ipphone/core: IP Phone – lightweight SIP softphone for Windows
Free SIP Softphone
VoIP Softphone for windows
SIP SIMPLE Client SDK
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Zoiper - Free VoIP SIP softphone dialer with voice, video and instant messaging :: Zoiper
MicroSIP - lightweight VoIP SIP softphone for Windows - Official Homepage
New 3CX VoIP Phone SIP Softphone
VoIP Softphone for windows
3CX delivers free VoIP / SIP phone for iPhone
ABTO VoIP SIP Softphone – Applications sur Google Play
20 FREE SIP Softphones - VoIP Insider
VoIP/SIP client (softphone) for Windows
Managed IP Phones Administrator Guide - SIP Soft Phone Provisioning Wizard
