Open Mobile is deploying a virtualised IP Multimedia Subsystem (IMS) Core from Interop Technologies to provide a range of network services in Puerto Rico.

As the profit and differentiation available from mobile services such as voice, messaging, and data decreases, operators need to look to what mobile analyst Chetan Sharma has termed the fourth wave^[1.] in order to open up additional lines of business and create additional revenue streams. 

Infrastructure sharing is not without its technical and competitive challenges but the benefits and potential cost savings are well-documented. Less well-documented is the possibility that new communication technologies will make exclusive ownership of the physical infrastructure even less attractive in the future. 

Interop: Competition to be Enabled by Cloud-Based IP Services
The transition to all IP networks is the largest fundamental shift in the industry since the migration from analog to digital.