SIP Server Conference Call Transfer Authentication
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Solution Overview
Problem
Existing unified communications systems face challenges in facilitating seamless interactions between devices within and outside an enterprise, particularly in securely transferring conference calls to non-secure communication devices.
Innovation Solution
The implementation of the Session Initiation Protocol (SIP) enables secure and flexible management of multimedia sessions, allowing for the establishment, control, and transfer of conference calls across various devices, including secure mobile devices and non-secure communication devices, using SIP's capabilities for session initiation, management, and termination.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If proprietary protocols and glue applications are introduced to implement unified communications, then interoperability between services is improved, but device complexity and implementation effort increase substantially
Solution Approach 1:
The patent applies a universal SIP protocol stack that enables multiple communication services (voice, video, messaging, conferencing) to operate through a single standardized interface. This eliminates the need for separate proprietary protocols for each service, reducing implementation complexity while maintaining interoperability across different communication devices and services.
Solution Approach 2:
The patent introduces a SIP server as an intermediary that mediates between different communication devices and services. The SIP server handles protocol translation, session management, and routing, allowing diverse devices to interoperate through a common standardized protocol rather than requiring direct integration between each device pair.
2Reliability
If security and control mechanisms are enforced within the enterprise network, then security is improved, but external devices are excluded from unified communications
Solution Approach 1:
The SIP server acts as a security intermediary that sits between external devices and the enterprise network. It authenticates external devices, manages their access rights, and controls their participation in enterprise communications. This allows external devices to participate in unified communications while maintaining enterprise security policies through centralized authentication and authorization mechanisms.
Solution Approach 2:
The system implements authentication feedback mechanisms where the SIP server verifies credentials of devices attempting to join enterprise communications. The server provides feedback on authentication status and enforces access control policies, allowing legitimate external devices to participate while blocking unauthorized access, thus maintaining security while enabling external compatibility.
3Ease of operation
If conference calls are transferred to non-secure communication devices, then ease of operation is improved, but security control is compromised
Solution Approach 1:
The SIP server implements authentication feedback before allowing conference call transfers to non-secure devices. It verifies the user's credentials and authorization level, then provides feedback on whether the transfer is permitted. This enables legitimate users to transfer calls to external devices for convenience while maintaining security control through centralized authentication and policy enforcement.
Solution Approach 2:
The system performs preliminary authentication and authorization checks before allowing conference call transfers to non-secure devices. The SIP server validates the user's credentials and the target device's eligibility in advance, establishing security controls before the actual transfer occurs. This allows convenient call transfer operation while ensuring security requirements are met beforehand.
Data Source
AI summary
Systems and methods for facilitating transferring of a conference call. In some embodiments, users of a secure mobile device may be provided with the ability to transfer a media session for use in a conference call to a non-secure communication device. The method may include displaying a user interface on the primary communication device, the user interface including a transfer option, receiving a command selecting the transfer option, sending a transfer request from the primary communication device to the conference call controller to link an alternate communication device within the conference call session, and determining whether the transfer request requires authentication, and if so performing authentication of the transfer request.