There are multiple definitions of "open" architecture in the industry today, as well as identified levels at which open and interoperable solutions are desirable. HP and Leapstone, in conjunction with the Intel modular communication platform team, are developing an open IP Multimedia Subsystem (IMS) framework and solution to address these needs.

IMS is an architectural framework created by 3rd Generation Partnership Project (3GPP) that is designed to enable real time multimedia services, such as enhanced messaging, multimedia conferencing, and video-based services. IMS addresses the issue of fractured technologies and proprietary platforms by enabling quick and efficient delivery of new revenue generating services through a standards-based network and services infrastructure.