OpenIP Announces Certification of Its VoIP Services With Yeastar S-Series VoIP PBX
Clichy, France/Xiamen, China - Aug 28th, 2018 - OpenIP, Unified Communications Operator, French leader in SIP Trunking services, continues its policy of interoperability with the main IPBX publishers and announces the certification of its VoIP solutions with S-Series VoIP PBX of Yeastar. The certification efforts…