C15 Call Session Controller

Service providers with legacy TDM networks face substantial challenges and risks due to the rapid aging of 25 to 30 year old legacy TDM switches, ongoing line loss, and IP-based competitive alternatives.  Widely-deployed in the smart cores of hundreds of operator networks, the C15 Call Session Controller, part of GENBAND’s CONTiNUUM™ portfolio of innovative transformation products, reduces these risks by providing a critical bridge to revenue growth and new IP services.

The C15 supports a wide variety of standard protocols, interfaces, and features to concurrently enable both IP and legacy services for Class 5 replacement, including HD voice, Centrex, web portal, mobility, video calling, call logging, integrated voice mail, AMA collection, IP PBX, LNP, E911, and CALEA.  The C15 is also fully SIP and IMS-capable with integrated SIP call session control, session border control, and TDM gateways for seamless inter-working between VoIP and TDM subscribers.

The C15 reduces CapEx and leverages existing fixed access by connecting to line frames and peripherals of switches such as DMS-10 and DMS-100, as well as MSANs and other IP-based access, enabling operators to effectively discard their TDM switch cores and move customers to the SIP and IMS services cloud.  The C15 provides an easy back office transition, supporting legacy operational interfaces.  A convenient Graphical User Interface allows quick and easy provisioning, and a robust GUI-based portal allows subscriber self-care and advanced voice application control.

Features:

  • Globally-deployed and market-proven, with carrier grade redundancy

  • Economical to 100,000 lines, with convenient and scalable core and port modules

  • Green technology footprint with potential for 90% or greater power savings

  • Advanced IP applications for new revenue including HD voice, softphone clients, one number service with mobility, and unified voicemail

  • Open standards interfaces and extensive CPE and partner interoperability

  • ESA capability allows port modules and gateways to be distributed to remote locations without fear of a cable or fiber cut

  • Simplified web-based OAM with flexible, standards-based OSS and billing

GENBAND is a global leader in smart networking solutions from the CORE to the EDGE to the EXPERIENCE.
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