EtherSpeak Earns SIP Trunking Interoperability Certification with Zultys MX Series IP PBX Systems
EtherSpeak, Inc., a leading provider of IP telecommunications services to businesses throughout North America, announced today the interoperability certification of Zultys' advanced IP PBXs with EtherSpeak's Session Initiation Protocol (SIP) trunking solution for businesses.
View full press release