ZipTrunk™ is a risk-free approach to SIP Trunking for Zultys customers to save on capital expenditures, hardware costs and additional fees typically associated with analog/PRI/BRI voice circuits.

EtherSpeak’s native SIP trunking solution for the Zultys community is especially engineered for the MX250/MX30 IP PBX systems. Customers of all sizes can finally make full use of their investment by connecting to the PSTN via SIP networks. This means customers are able to realize all of the benefits of IP communications without additional hardware or firewall/gateway requirements.