Enterprise Calling Line and Name Identification via VoIP Gateway

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Solution Overview

Problem

Enterprises lack adequate means to control and manage cellular service costs, Quality of Service, and corporate monitoring due to independent management by wireless carrier networks.

Innovation Solution

A gateway server that integrates cellular networks with enterprise voice and data networks, enabling enterprises to become Mobile Virtual Network Operators (MVNOs), managing cellular service through a hybrid gateway router and supporting protocols like SIP and H.323, with IP-based signaling to reduce costs and enhance control.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If cellular service is independently managed by wireless carrier networks, then service delivery is simplified, but enterprises lose control over costs, Quality of Service, and corporate monitoring

Engineering Contradiction:
Improveservice deliveryVSAvoidenterprise control
Core Design Contradiction:
Ease of operationVSAdaptability or versatility

Solution Approach 1:

The patent introduces an enterprise-controlled gateway server as an intermediary between the cellular network and enterprise users. This gateway acts as a mediator that maintains the simplicity of carrier-managed service delivery while providing enterprises with the control capabilities they need for cost management, QoS control, and monitoring.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Adaptability or versatility

If enterprises integrate cellular networks with enterprise voice and data networks, then control and monitoring capabilities are enhanced, but system complexity increases

Engineering Contradiction:
Improvecontrol capabilityVSAvoidsystem architecture
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent segments the integration architecture into distinct functional components: the enterprise-controlled gateway server, the carrier network infrastructure, and the enterprise internal networks. This segmentation allows enterprises to gain control capabilities without requiring complete integration of all network functions, thereby managing system complexity.

Inventive Principle:
Principle #1Segmentation

3Ease of manufacture

If enterprises use traditional PBX systems for voice calls, then existing infrastructure is utilized, but seamless integration with mobile calls and advanced routing policies is limited

Engineering Contradiction:
Improveinfrastructure utilizationVSAvoidintegration capability
Core Design Contradiction:
Ease of manufactureVSAdaptability or versatility

Solution Approach 1:

The gateway server is designed with multi-functionality to handle diverse call types (mobile-to-desktop, desktop-to-mobile, mobile-to-mobile), implement policy-based routing, provide cost management, and enable QoS control. This universal platform extends traditional PBX capabilities to work seamlessly with modern cellular networks while maintaining compatibility with existing infrastructure.

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

Data Source

PatentUS12425814B2Calling line/name identification of enterprise subscribers in mobile calls
Publication Date: 2025.09.23 TANGO NETWORKS INC
  • US12425814B2 patent drawing
  • US12425814B2 patent drawing
  • US12425814B2 patent drawing

AI summary

A system, server, and method of DTMF detection in a VoIP network.