The HPE OpenCall line of telecommunications platforms is offered by HPE Communications & Media Solutions organization in four main areas—media server, service and charging control, signaling, and subscriber mobility.

The HPE Open IP Signaling Transfer Gateway that allows the convergence and delivery of advanced services for fixed, mobile and broadband networks.

[5] The HP OpenCall Universal Signaling Platform (USP) connects SS7 and IP SIGTRAN networks and provides a development environments for deploying, 2G, 2.5G and 3G services.

[6] HPE Communications & Media Solutions markets three subscriber mobility products.

The HPE OpenCall XML Document Management Server is used for deploying instant messaging and group communication services while shielding information privacy.