EC 2019: Verizon Shows Off Verizon Multivendor UC Management Platform and One Talk DialerMarch 21, 2019 | Home / March 21, 2019 rave-video / EC 2019: Verizon Shows Off Verizon Multivendor UC Management Platform and One Talk Dialer EC 2019: Verizon Shows Off Verizon Multivendor UC Management Platform and One Talk Dialer