CPC Subgroup Additional Only
H04M 2203/35 related to information services provided via a voice call
Full Title
Aspects of automatic or semi-automatic exchanges > related to information services provided via a voice call
9 direct subcodes
Child Classifications
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- H04M 2203/351 Pre or post-call/conference information service
- H04M 2203/352 In-call/conference information service
- H04M 2203/353 where the information comprises non-audio but is provided over voice channels
- H04M 2203/354 Reverse directory service
- H04M 2203/355 Interactive dialogue design tools, features or methods
- H04M 2203/356 Phonecasting
- H04M 2203/357 Autocues for dialog assistance
- H04M 2203/358 Digital rights management
- H04M 2203/359 Augmented reality