sipX

sipX is a revolutionary IP PBX solution that boasts an impressive range of features coupled with user-friendly usage, installation, and administration. Based on the Session Initiation Protocol (SIP), sipX is extensively focused on maintaining interoperability and complying with communication standards. The software integrates all common calling attributes, XML-based SIP call routing, web-based configuration, and integrated PBX, phone, and gateway management and setup. What's more, sipX is a server-based, modular solution that doesn't require any additional hardware since it can match with any SIP compliant application, gateway, or phone.

Some of the key features of sipX include native SIP IP PBX Solution, Voicemail, presence, multiple auto-attendants, SIP call routing, web-based management, and scalable architecture. And in the latest release, sipX has made significant improvements in the areas of plug-and-play management of phones and gateways, ease of installation, directory and speed dial auto-configuration, ENUM and ISN signaling, and localization among others. The latest release also comes with a new user portal and a new ACD server.

Overall, sipX is a formidable IP PBX solution that offers excellent functionality while maintaining an unparalleled user experience.