MMS Generator Voice Message Delivery
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Solution Overview
Problem
Existing mobile radio networks fail to deliver voice messages to subscribers when their mailbox is deactivated, particularly in dead zones where the mobile radio terminal cannot connect to the network, leaving callers unreachable.
Innovation Solution
An MMS generator in the mobile radio network generates voice messages as MMS and transmits them to the mobile terminal, even if the mailbox is switched off, with a checking unit ensuring the terminal can process the MMS data format, allowing subscribers to receive messages without a conventional answering machine.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a conventional mailbox system is used to store voice messages, then messages can be delivered to subscribers when they are reachable, but messages cannot be delivered when the mailbox is deactivated or the subscriber is in a dead zone
Solution Approach 1:
The system provides multiple message delivery paths: when the mailbox is active, messages are delivered to the mailbox; when the mailbox is inactive, messages are converted to MMS and delivered to the mobile terminal. This multi-functional approach ensures message delivery reliability regardless of mailbox status or network connectivity.
Solution Approach 2:
The system dynamically adapts its message delivery mechanism based on real-time conditions. The checking unit monitors mailbox status and network connectivity, then dynamically switches between conventional mailbox delivery and MMS delivery modes, ensuring messages reach subscribers even when conditions change.
2Adaptability or versatility
If MMS messages are transmitted to all terminals regardless of capability, then message delivery coverage is maximized, but network resources are wasted on terminals that cannot process MMS format
Solution Approach 1:
The checking unit performs preliminary verification of the mobile terminal's MMS processing capability before transmitting MMS messages. This advance check prevents wasteful transmission of incompatible message formats, conserving network resources while maintaining delivery coverage for capable terminals.
Solution Approach 2:
The system changes the message format parameter based on terminal capability. When the checking unit confirms MMS capability, the message format is changed to MMS for efficient delivery; otherwise, alternative formats are used, optimizing both coverage and resource utilization.
3Loss of energy
If the mailbox is deactivated to save costs, then service costs are reduced, but the subscriber becomes practically unreachable via telecommunications connection
Solution Approach 1:
The MMS generation and transmission system acts as an intermediary that bridges the gap between deactivated mailboxes and message delivery. Even when the mailbox is inactive, the system can convert voice messages to MMS format and deliver them directly to the mobile terminal, maintaining reachability without requiring the mailbox to be active.
Data Source
Figure 1
AI summary
The method involves transferring and digital buffering of voice message (42) of calling (14) by units in mobile network (10). The Multimedia Message Service (MMS) generator (30) generates Multimedia Message Service (36) with appropriate audio data from redundant buffered voice message (32), and relay at Multimedia Message Service Centre (38). The Multimedia Message Service Center forward Multimedia Message Service to mobile station (20). The Multimedia Message Service generator generates a voice message as Multimedia Message Service, if assigned mailbox (24) of called mobile subscriber (18) is inactively switched. An INDEPENDENMT CLAIM is also included for a Multimedia Message Service generator for a mobile network comprises a control unit, which activates the Multimedia Message Service generator, to generate a voice message as Multimedia Message Service.