PortSIP PBX v12 utilizes Rich Communication Services (RCS) for companies to enable higher efficiency and win business. OCT 1, 2019 – PortSIP, developer of next-generation unified communications systems today announced the launch of PortSIP PBX v12. PortSIP PBX v12 brings unifiedcommunications to a new level by integration of rich communication services – enabling user sharing [...]