IP telephony service interoperability

IP telephony service interoperability

  • CN 101,352,020 A
  • Filed: 12/22/2006
  • Published: 01/21/2009
  • Est. Priority Date: 12/27/2005
  • Status: Active Application
First Claim
Patent Images

1. , a kind of for disperseing the local gateway equipment (12) of client'"'"'s equipment (13) design, comprising:

  • Be used to provide the DTU (Data Transfer unit) (21,22,23,24,25) of two intercommunications between the different IP telephone service.

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