Ringback Video System Using IMS and ENUM for Caller Engagement
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Solution Overview
Problem
Calling parties often experience wait times and network congestion due to busy signals or voicemail greetings, leading to re-dialing attempts that increase network traffic and do not provide engaging experiences during call setup.
Innovation Solution
Implementing a ringback video system that uses IP multimedia subsystem (IMS) components, including user equipment, proxy call session control function (P-CSCF), serving call session control function (S-CSCF), ENUM server, and ringback video server, to provide video content during call setup based on caller and callee profiles, reducing wait times and network congestion.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional audio-only ringback tones are used, then system simplicity is maintained, but caller engagement and experience are insufficient
Solution Approach 1:
The patent transitions from audio-only ringback tones to video-based ringback content, adding a visual dimension to the traditional audio experience. This enables richer caller engagement through video clips, animations, or live video feeds while maintaining the underlying telecommunication system architecture
Solution Approach 2:
The ringback video system serves multiple functions: it provides entertainment content to callers, enables advertising opportunities, allows called parties to convey information before answering, and maintains compatibility with traditional voice calls. This multi-functionality justifies the added system complexity
2Reliability
If callers re-dial when experiencing busy signals or voicemail, then connection attempts are made, but network congestion increases
Solution Approach 1:
The system provides video content during the ringback phase before the call is actually answered or rejected. This preliminary engagement keeps callers occupied and informed during wait times, reducing the urge to hang up and re-dial, thereby preventing additional network congestion from repeated call attempts
3Adaptability or versatility
If video content is provided during call setup, then caller experience is enhanced, but network bandwidth requirements increase
Solution Approach 1:
The system provides video content selectively during the ringback phase rather than throughout the entire call duration. This partial action delivers enhanced caller experience during the critical initial waiting period while limiting bandwidth consumption to only the necessary timeframe, avoiding excessive network resource usage
Data Source
AI summary
A system and method of providing ringback video are disclosed. In one embodiment, the method includes receiving a connection request at an originating serving call session control function (S-CSCF) network element. The connection request indicates that a caller device has placed a call to a destination device associated with a ringback video service subscriber. The method also includes receiving a plurality of naming authority pointer (NAPTR) records at the originating S-CSCF network element from a telephone number mapping (ENUM) server. The NAPTR records include a plurality of ringback video uniform resource indicators (URIs) associated with the destination device. The method also includes modifying the connection request to include the plurality of ringback video URIs and sending the modified connection request to a terminating S-CSCF that communicates with the destination device.