Logiciels de softphone

Zoiper
  46
Cross-platform VoIP softphone dialer for SIP and IAX systems
Bitrix24
  260
Free collaboration, communication & management tool suite
eVoice
  5
Small business phone software
VirtualPBX
  3
Tools To Connect Everyone, Everywhere.
3CX
  151
Hosted PBX with CRM integration and mobile apps