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Methods and apparatus for provisioning and using IP clients which can be arranged according to groups and share a common telephone number

  • US 9,560,192 B2
  • Filed: 12/30/2014
  • Issued: 01/31/2017
  • Est. Priority Date: 12/30/2014
  • Status: Active Grant
First Claim
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1. A method of providing presence information, the method comprising:

  • storing presence information for each member of a first group of users using devices in a first network domain, said presence information including first individual presence information corresponding to a first user and second individual presence information corresponding to a second user of said first group of users;

    receiving a first request for presence information from a first device located on a network in the first network domain, said first request including a group identifier corresponding to the first group of users;

    in response to said first request for presence information, providing to said first device, individual presence information for each of the plurality of users in said first group;

    initiating a first telephone call from a first user communications device to a second user communications device while said first user communications device and said second user communications device are located in said first network domain, said first and second user communications devices corresponding to users in said first group of users, said initiating a first telephone call including sending a first call establishment signal including calling party information, said calling party information including a first telephone number used by users in said first group and a calling party identifier identifying said first user communications device, said first call establishment signal including called party information including a second user communications device identifier identifying said second user communications device;

    establishing a communications session between said first user communication device and said second user communications device over a network in said first network domain in response to said first call establishment signal;

    initiating a second telephone call from the first user communications device to a telephone located outside said first network domain, said initiating the second telephone call including sending a second call establishment signal including a telephone number used by users in said first group, a calling party identifier identifying said first user communications device, and called party information including a second telephone number, said second telephone number being a telephone number of the telephone located outside said first network domain;

    operating a network border device to receive said second call establishment signal;

    generating a third call establishment signal including calling party information including the telephone number used by users in said first group as a calling party identifier and said second telephone number as a called party identifier while excluding from said third call establishment signal said calling party identifier identifying said first user communications device; and

    sending said third call establishment signal to a telephone switch or router in a telephone network in which said second telephone is located.

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