Enterprise Server Voice Call Parking for Data Transfer
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Solution Overview
Problem
Current mobile electronic devices on 2G and CDMA networks cannot simultaneously handle voice and data communications, leading to missed critical data during voice calls, while 3G devices experience latency and increased battery usage when trying to receive data during voice calls.
Innovation Solution
A method for an enterprise data server to automatically park a voice call on a mobile device, allowing it to receive important emails by comparing message content with predefined rules, switching to data mode, downloading the email, and then un-parking the call, using ranking techniques based on recipient interaction to determine message importance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If 2G networks are used for voice communication, then voice calls can be maintained, but data transmission is blocked during voice calls
Solution Approach 1:
The system dynamically switches the mobile device between voice mode and data mode based on real-time needs. When important data needs to be transmitted, the system temporarily parks the voice call and switches the device to data mode, then restores the call after data transmission completes. This dynamic state switching resolves the contradiction by allowing both voice and data communication at different times rather than simultaneously.
Solution Approach 2:
The system performs preliminary evaluation of incoming data to determine its importance before interrupting the voice call. By pre-assessing data priority using ranking techniques, the system ensures that only critical data triggers a call park, avoiding unnecessary interruptions while still capturing important information.
2Loss of information
If 3G networks are used to enable simultaneous voice and data communication, then both can be transmitted, but call establishment latency increases and battery consumption rises
Solution Approach 1:
Instead of maintaining continuous 3G connectivity for simultaneous voice and data, the system uses periodic switching between 2G voice mode and 3G data mode. The device alternates between these modes based on whether data transmission is needed, reducing the time the radio must be on and thereby lowering battery consumption while still enabling data transmission during voice calls when necessary.
Solution Approach 2:
The system changes the network mode parameter dynamically, switching between 2G and 3G networks based on the specific communication need. When only voice is needed, it uses 2G for lower power consumption; when data transmission is required, it switches to 3G. This parameter change resolves the contradiction by optimizing the network selection to match the actual communication requirements.
3Loss of information
If all incoming emails are downloaded during voice calls on 2G networks, then no critical data is missed, but unnecessary data transmission consumes valuable time and resources
Solution Approach 1:
The system applies different handling strategies to different emails based on their individual importance characteristics. Rather than treating all emails uniformly, it evaluates each email's priority and selectively parks the voice call only when critical emails are detected. This local differentiation resolves the contradiction by transmitting only the necessary data during voice calls, saving time and resources while still capturing critical information.
Data Source
AI summary
The application relates to 2G networks. Although 2G networks allow for both digitally encrypted voice conversations and data services, they do not permit simultaneous voice and data communications Thus, all data traffic to 2G mobile electronic devices is blocked whenever a user is engaged in a voice call. If the user is on a call for an extended period of time, there may be circumstances in which critical data is prevented from reaching the device. This problem is solved by a system and method which automatically parks a voice call on a mobile electronic device so that the device can receive data, comprising a switch for establishing a voice call at the at least one caller device, a database for storing at least one call processing rule, and an enterprise data server for receiving a data message comparing contents of the data message with at least one rule in the database, and in the event that the contents match the rule then parking the call, switching the mobile electronic device to a data mode of operation, downloading the data message to the device and un-parking the call.