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Telecommunication network comprising a plurality of stacked private networks, private automatic branch exchange for implementing said network, and emergency call center

  • US 20070165826A1
  • Filed: 04/04/2005
  • Published: 07/19/2007
  • Est. Priority Date: 04/22/2004
  • Status: Abandoned Application
First Claim
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1. Telecommunication network including a plurality of company networks (PN11, PN21) having respective independent numbering plans characterized in that it includes at least one company network (P11) having at least one first private automatic branch exchange (PBX11c, . . . ) including a first gateway providing inter alia number translation and at least one other company network (P21) having at least one second private automatic branch exchange (PBX21a) including a second gateway providing inter alia number translation, in that these two gateways are connected by a line (T4, T5), and in that these two gateways and this line (T4, T5) are capable of transporting signaling specific to company networks.

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