• Technology trends
  • Patent search
  • Sign In
  • Sign Up
Patent classifications
H
ELECTRICITY
Load children
H04
ELECTRIC COMMUNICATION TECHNIQUE
Load children
H04M
TELEPHONIC COMMUNICATION
Load children
2207/00
Type of exchange or network, i.e. telephonic medium, in which the telephonic communication takes place
Load children Filter patents View analytics View as hierarchy
H04M2207/12
intelligent networks
Filter patents View analytics View as hierarchy