H
ELECTRICITY
H
ELECTRICITY
H04
ELECTRIC COMMUNICATION TECHNIQUE
H04
ELECTRIC COMMUNICATION TECHNIQUE
H04L
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
H04L
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
65/00
Network arrangements, protocols or services for supporting real-time applications in data packet communication
65/00
Network arrangements, protocols or services for supporting real-time applications in data packet communication
H04L65/10
Architectures or entities
H04L65/10
Architectures or entities
H04L65/1016
IP multimedia subsystem [IMS]
H04L65/1016
IP multimedia subsystem [IMS]