inContact - inContact provides on-demand software that enables call centers to engage and support their customers.
Callback Widget by PHPJabbers - Add our Callback Widget on your website and allow your visitors to request immediate and easy contact with your sales or customer support team.
Gainsight - Customer Success for the New Enterprise
Kamailio - Kamailio® (successor of former OpenSER and SER) is an open source SIP server released under...
Natero - Natero is a Customer Success platform that merges machine learning for predicting behavior and big...
opensips - OpenSIPS (Open SIP Server) is a mature Open Source implementation of a SIP server.