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Efficient interworking between circuit-switched and packet-switched multimedia services defining a maximum packet size attribute

A technology of interworking and circuit switching, applied in the direction of electrical components, transmission systems, etc., can solve problems such as service quality degradation, communication violation of synchronization requirements, etc.

Active Publication Date: 2016-06-15
QUALCOMM INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

During a telephony session, these reformatting mechanisms can undesirably cause communications to violate audiovisual (lip) synchronization requirements and / or degrade quality of service by introducing additional end-to-end delay between terminals

Method used

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  • Efficient interworking between circuit-switched and packet-switched multimedia services defining a maximum packet size attribute
  • Efficient interworking between circuit-switched and packet-switched multimedia services defining a maximum packet size attribute
  • Efficient interworking between circuit-switched and packet-switched multimedia services defining a maximum packet size attribute

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Embodiment Construction

[0019] The detailed description set forth below in conjunction with the accompanying drawings is intended as a description of exemplary embodiments of the invention and is not intended to represent the only exemplary embodiments in which the invention may be practiced. The term "exemplary" as used throughout this description means "serving as an example, instance, or illustration" and is not necessarily to be construed as preferred or advantageous over other exemplary embodiments. The detailed description includes specific details for the purpose of providing a thorough understanding of exemplary embodiments of the invention. It will be apparent to those skilled in the art that the exemplary embodiments of the invention may be practiced without these specific details. In some instances, well-known structures and devices are shown in block diagram form in order to avoid obscuring the novelty of the exemplary embodiments presented herein.

[0020] In this specification and in t...

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Abstract

Techniques for signaling a packet size limitation of a circuit-switched terminal to a packet-switched terminal during a multimedia session such as a multimedia telephony session. In one aspect, an interworking node obtains information from the circuit-switched terminal during call setup, and signals to a packet-switched terminal that another end of the telephony session is a circuit-switched terminal. In a further aspect, the interworking node signals to the packet-switched terminal a maximum packet size limitation negotiated with the circuit-switched terminal. Further techniques for the packet-switched terminal to accommodate the maximum negotiated packet size to minimize data reformatting by the interworking node are described.

Description

[0001] Information about divisional applications [0002] This case is a divisional application. The parent case of this divisional case is the application date of January 14, 2009, the application number is 200980102159.1, and the invention name is "Effective Interworking between Circuit-Switched Multimedia Services and Packet-Switched Multimedia Services Defining Maximum Packet Size Attributes "invention patent application. [0003] Related applications [0004] This application claims the title of "Method and apparatus for low-latency interworking between circuit-switched and packet-switched multimedia services for low-latency interworking between circuit-switched and packet-switched multimedia services" filed on January 14, 2008 U.S. Provisional Application No. 61 / 020,982 of the 2008 application entitled "Method and apparatus for low-latency interworking between circuit-switched multimedia services and packet-switched multimedia services" (Method and apparatus for low- ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06
CPCH04L65/1016H04L65/1069H04L65/80H04L65/1095
Inventor 尼古拉·康拉德·内波穆塞诺·梁钱德拉塞卡尔·泰拉詹德尔·孙达拉曼
Owner QUALCOMM INC