H04M3/52 - CPC Classification Index

ClassID:

227678 ⎘

H04M3/52 - CPC Classification

Classification description:

Automatic or semi-automatic exchanges; Systems providing special services or facilities to subscribers; Centralised arrangements for answering calls; Centralised arrangements for recording messages for absent or busy subscribers Centralised arrangements for recording messages; Centralised call answering arrangements requiring operator intervention, e.g. call or contact centers for telemarketing Arrangements for routing dead number calls to operators

Recent Application in this class:

20140220945

2014-08-07

Method and system for providing directory assistance to erroneous telephone calls via wearable devices

20130223605

2013-08-29

Avoiding failed routes

20130034225

2013-02-07

Method and system for providing directory assistance to erroneous telephone calls

20130034224

2013-02-07

Method and system for providing directory assistance to erroneous telephone calls

20130034217

2013-02-07

Method and system for providing directory assistance to erroneous telephone calls

20090168987

2009-07-02

Method and system for providing directory assistance to erroneous telephone calls

20080013711

2008-01-17

Method and apparatus for processing routing requests

20060072725

2006-04-06

Method and apparatus for processing routing requests