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Method and system for guaranteeing seamless session when replacing PoC terminal in PoC system

  • US 20060189340A1
  • Filed: 01/25/2006
  • Published: 08/24/2006
  • Est. Priority Date: 01/26/2005
  • Status: Active Grant
First Claim
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1. A method for guaranteeing a seamless session when replacing a push-to-talk-over-cellular (PoC) terminal in a PoC system, the method comprising the steps of:

  • transmitting, by a PoC client requesting replacement of the PoC terminal, a terminal replacement request message for the replacement of the PoC terminal to a session management server while maintaining the seamless session;

    receiving, by the session management server, the replacement request message, and transmitting an INVITE message to a PoC client to be replaced; and

    receiving, by the terminal replacement target PoC client, the INVITE message, and media through an existing session.

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