Services signaling; Auxiliary data signalling, i.e. transmitting data via a non-traffic channel

Introduced: January 2009

Title

Titles differ between systems:

IPC: Services signalling; Auxiliary data signalling, i.e. transmitting data via a non-traffic channel

CPC: Services signaling; Auxiliary data signalling, i.e. transmitting data via a non-traffic channel

Full Title

Full titles differ between systems:

IPC:

Services specially adapted for wireless communication networks; Facilities therefor > Services signalling; Auxiliary data signalling, i.e. transmitting data via a non-traffic channel

CPC:

Services specially adapted for wireless communication networks; Facilities therefor > Services signaling; Auxiliary data signalling, i.e. transmitting data via a non-traffic channel

Of 3 combined children, 2 exist in both systems.

1 codes are CPC-only extensions.

IPC defines codes here since 2018.

Child Classifications

Navigate with arrow keys, Enter to open

H04W 4/203 CPC only CPC only
H04W 4/21 for social networking applications since 2018 IPC+CPC Available in IPC and CPC
H04W 4/23 for mobile advertising since 2018 IPC+CPC Available in IPC and CPC