Seamless Call Transfer in Virtual Desktop Authentication

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Solution Overview

Problem

In virtual desktop environments, active calls are often lost or dropped during the authentication process when a user attempts to access a hosted virtual desktop and register with a call manager, as existing systems do not seamlessly transfer calls, leading to disruptions in telephonic services.

Innovation Solution

A seamless call transfer apparatus that includes a network interface, memory, and a processor to detect active calls, suspend them temporarily, and then resume them after successful registration with the call manager, ensuring minimal latency and uninterrupted service by associating a new telephone number with the call.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If the system performs authentication and registration with the call manager during an active call, then the user can access the virtual desktop environment, but the call is lost or dropped

Engineering Contradiction:

Improvecall continuityVSAvoidauthentication process

Core Design Contradiction:

ReliabilityVSAdaptability or versatility

Solution Approach 1:

The system performs preliminary actions by detecting an active call before authentication begins, suspending the call in advance, and then resuming it after authentication completes. This preliminary suspension prevents the call from being dropped during the authentication process while still allowing the user to access the virtual desktop environment.

Inventive Principle:

Principle #10Preliminary action

2Reliability

If the system suspends and resumes calls during authentication, then call continuity is maintained, but latency is introduced

Engineering Contradiction:

Improvecall continuityVSAvoidcall latency

Core Design Contradiction:

ReliabilityVSLoss of time

Solution Approach 1:

The system rushes through the authentication process by efficiently handling the suspend-resume sequence, minimizing the time the call is in suspended state. The authentication flow is optimized to complete quickly between suspension and resumption, reducing the overall latency impact on the call.

Inventive Principle:

Principle #21Skipping (Rushing through)

3Ease of operation

If the system automatically suspends calls during registration, then seamless transfer is achieved, but user control is reduced

Engineering Contradiction:

Improveseamless call transferVSAvoidcall suspension automation

Core Design Contradiction:

Ease of operationVSExtent of automation

Solution Approach 1:

The system provides self-service by automatically detecting active calls, suspending them during authentication, and resuming them afterward without requiring user intervention. The system manages the entire call suspension and resumption process autonomously, creating a seamless experience while minimizing the need for user control during the authentication process.

Inventive Principle:

Principle #25Self-service

Data Source

PatentUS8761358B2Seamless call transfer

Publication Date: 2014.06.24 CISCO TECHNOLOGY INC

AI summary

Techniques for providing for a seamless call transfer in a virtual desktop environment are supported. An apparatus may be capable of requesting access to a remote computer system for registration with a call manager, determining whether a call associated with the apparatus is active, automatically initiating suspension of the call in response to determining that the call is active and requesting registration of a telephone associated with the call, and resuming the suspended call. The seamless call transfer system may result in a more favorable calling experience during authentication with a virtual desktop environment and registration with a call manager.