IMS Core Announcement Format Adaptation for Real-Time Text and Video Calls

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Solution Overview

Problem

Current telecommunications networks are unable to provide announcements during calls in formats other than audio, which can be ineffective for hearing-impaired individuals, limiting their ability to receive important information such as low balance notifications or advertisements.

Innovation Solution

A telecommunications network that detects the format of enhanced calls (text or video) and generates announcements in the same format, using an IP multimedia subsystem core with a telephony application server and media resource function to output notifications, advertisements, or information to callers, ensuring they receive relevant information in a comprehensible format.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If audio announcements are used during calls, then the network can notify subscribers of low balance or provide advertisements, but hearing-impaired individuals cannot comprehend the information

Engineering Contradiction:
Improveannouncement format adaptabilityVSAvoidinformation delivery reliability
Core Design Contradiction:
Adaptability or versatilityVSReliability

Solution Approach 1:

The system changes the parameter of announcement format from audio-only to matching the call format (text for RTT calls, video for video calls). This ensures that the announcement is delivered in a comprehensible format to the caller, resolving the contradiction between providing announcements and ensuring they are understood by hearing-impaired individuals.

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The network system is enhanced to provide multiple announcement formats (audio, text, video) depending on the call type. This multi-functional approach allows the same announcement system to serve both hearing and hearing-impaired callers effectively, improving both adaptability and reliability.

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Adaptability or versatility

If the network provides announcements in audio format only, then the system remains simple, but it cannot serve hearing-impaired customers effectively

Engineering Contradiction:
Improveservice inclusivityVSAvoidnetwork system complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The system dynamically adapts the announcement format based on the detected call format. Rather than providing all formats simultaneously, the system adjusts its behavior in real-time to match the caller's capabilities, reducing complexity while improving service inclusivity.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The announcement format parameter is changed dynamically based on the call type detected by the network. This targeted approach adds complexity only where needed while maintaining simplicity for standard audio calls, thus improving inclusivity without proportionally increasing system complexity.

Inventive Principle:
Principle #35Parameter changes

3Reliability

If the network detects call format and generates matching announcements, then hearing-impaired customers can understand information, but the system complexity increases

Engineering Contradiction:
Improveinformation comprehension reliabilityVSAvoidcall format detection and generation complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The system uses the existing call signaling and media streams to automatically detect the call format and generate appropriate announcements without requiring separate manual configuration. This self-service approach reduces operational complexity while ensuring reliable information delivery to hearing-impaired customers.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The network infrastructure is enhanced to perform multiple functions using the same components: detecting call format, determining appropriate announcement type, and generating the announcement. This universal approach improves reliability for hearing-impaired customers while minimizing the increase in system complexity by reusing existing infrastructure.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Data Source

PatentUS11496623B2Announcement or advertisement in text or video format for real time text or video calls
Publication Date: 2022.11.08 T MOBILE US INC
  • US11496623B2 patent drawing
  • US11496623B2 patent drawing
  • US11496623B2 patent drawing

AI summary

A telecommunications network for playing an enhanced announcement in the same format as that of an enhanced call is described herein. An enhanced call is a call via real time text or video. The telecommunications network includes a node or subsystem, such as an IP multimedia subsystem core (IMS or IMS core), programmed to receive an enhanced call in a text or video format, detect the format of the enhanced call, and return an enhanced announcement—an announcement provided in the same format as the enhanced call. The IMS core can include one or more sub-nodes or sub-components, including a telephony application server (TAS), a media resource function (MRF), or both.