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IMS PES-AS (PSTN Emulation Subsystem Application Server) datasheet

IMS (IP Multimedia Subsystem) Datasheets Application server PES (PSTN Emulation Subsystem)

The IP Multimedia Subsystem (IMS) is ready to deliver on its promise of all-IP telephony, transitioning operators from being facilities-based to being true software telcos, while protecting their investment in transmission equipment and maintaining service continuity. As part of an IMS solution, Metaswitch's PSTN Emulation Subsystem Application Server (PES-AS) is a critical component in the evolution of the telco network.

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