Voicemail System External Caller Registration

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Solution Overview

Problem

Existing voice mail systems require users to enter an extension number when retrieving messages from external telephones not registered in the system's database, which can be inconvenient and does not allow for automatic identification of callers from these external numbers.

Innovation Solution

A method and system for registering external telephone numbers with a voice mail system, allowing users to associate these numbers with their account during the message retrieval process, enabling the system to treat calls from registered external telephones as identified calls and eliminating the need to prompt for an extension number.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If external telephone numbers are not registered in the system's database, then the system can handle calls from any telephone, but the system cannot automatically identify the caller and must prompt for extension number and password

Engineering Contradiction:
Improveautomatic caller identificationVSAvoidregistration process complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The system performs preliminary action by automatically detecting the calling telephone number and presenting a registration prompt before the caller retrieves messages. This allows the external telephone number to be registered in advance, enabling automatic caller identification for subsequent calls without requiring repeated manual registration.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The system enables self-service by allowing the external telephone number to be automatically detected and registered through a simple prompt during the message retrieval process. The caller can register their number without needing to contact system administrator or perform complex manual entry, making the registration process user-friendly and automated.

Inventive Principle:
Principle #25Self-service

2Reliability

If users manually register external telephone numbers, then the system can identify callers from these numbers, but the process is inconvenient and time-consuming

Engineering Contradiction:
Improvecaller identification accuracyVSAvoidregistration convenience
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The system performs self-service by automatically detecting the calling telephone number and presenting a registration prompt. The caller can simply respond to the prompt (e.g., pressing a key or using voice recognition) to complete registration, eliminating the need for manual number entry or contact with system administrator.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The system provides feedback by detecting the calling number and automatically presenting a registration prompt tailored to the detected number. This feedback mechanism guides the user through the registration process dynamically, making it more convenient and less time-consuming while ensuring accurate identification.

Inventive Principle:
Principle #23Feedback

3Productivity

If the system prompts for extension number when retrieving messages from external telephones, then the system can retrieve messages, but the user experience is degraded compared to direct PBX extensions

Engineering Contradiction:
Improvemessage retrieval efficiencyVSAvoiduser interface simplicity
Core Design Contradiction:
ProductivityVSEase of operation

Solution Approach 1:

The system performs preliminary action by registering the external telephone number before the message retrieval process. Once registered, the system automatically identifies the caller and retrieves messages without prompting for extension number, thereby improving user experience and message retrieval efficiency.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The registered external telephone number acts as an intermediary that bridges the gap between external telephones and the PBX system. Once registered, this intermediary enables the system to treat external calls similarly to internal extensions, eliminating the need for additional prompts and simplifying the user interface.

Inventive Principle:
Principle #24Intermediary (Mediator)

Data Source

PatentUS8036357B2Adding an identified caller's other devices to a voice mail system
Publication Date: 2011.10.11 CISCO TECHNOLOGY INC
  • US8036357B2 patent drawing
  • US8036357B2 patent drawing
  • US8036357B2 patent drawing

AI summary

A method and system for registering external telephone numbers and associating such external telephone numbers with an extension in a voice mail system. When a call is received from a telephone which is not registered in the called systems database, after the caller has identified an extension and entered an appropriate password, the user is given an opportunity to register the external telephone with the system and to associate the telephone with and extension in the called system.