VoIP and IMS

Voice over IP, or more generally multimedia over IP, is the ability to set up interactive messaging, telephony and video conferencing over an IP network. IP Multimedia Subsystem (IMS) is next generation network architecture designed to deliver integrated multimedia services, network convergence, and create an open, standards-based network.

Metaswitch provides carrier-grade VoIP and IMS network software products as portable source-code for OEMs developing VoIP/IMS solutions or adding VoIP/IMS capabilities to existing products.

• Session Initiation Protocol (SIP)
• Media Gateway Control Protocol (MGCP)
• MEGACO/H.248
• Diameter

Applications

DC-SIP, DC-Megaco/H.248, DC-MGCP and DC-Diameter have been designed from the outset as the high-performance, scalable solution for demanding applications. DC-SIP, DC-Megaco/H.248 and DC-Diameter are also fully IPv6 compliant.

IMS Functions

• Application Servers
• P/I/S-CSCF
• IBCF
• BGF/I-BGF
• MRFC, MGFC, MRFP, MGF
• Charging functions

Embedded End-points

• Soft phones
• Mobile phones
• IADs
• Residential Gateways

Gateways Between Heterogeneous Networks

• Trunking gateways
• Radio base station
• Media Gateways

Intelligent Network Servers

• Softswitches
• Media Gateway Controllers
• Universal Messaging Systems
• Location Servers
• IP PBXs
• Application Servers