Architectures or entities

Full Title

Network arrangements, protocols or services for supporting real-time applications in data packet communication (real-time or near real-time messaging, e.g. instant messaging [IM] H04L51/04; selective video distribution H04N21/00) > Architectures or entities

Child Classifications

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• H04L 65/1013
• H04L 65/1016 IP multimedia subsystem [IMS]
• H04L 65/102 Gateways (arrangements for connecting between networks having differing types of switching systems, e.g. gateways, H04L12/66)
• H04L 65/1045 Proxies, e.g. for session initiation protocol [SIP]
• H04L 65/1046 Call controllers; Call servers
• H04L 65/1053 IP private branch exchange [PBX] functionality entities or arrangements (circuit switched PBXs H04M3/00)
• H04L 65/1059 End-user terminal functionalities specially adapted for real-time communication
• H04L 65/1063 Application servers providing network services (systems providing special services to telephonic subscribers H04M3/42)