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PCE
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CPC Subgroup
H04L 65/1053

IP private branch exchange [PBX] functionality entities or arrangements (circuit switched PBXs H04M3/00)

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 > IP private branch exchange [PBX] functionality entities or arrangements (circuit switched PBXs H04M3/00)

2 direct subcodes

Child Classifications

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