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Phil Lam's Articles in Communications

  • IP PBX and Its Uses
    The integrated voice features, for example unified messaging and “click-to-dial”, became available with circuit-switched PBX systems. Complex coordination of voice and data networking environments are required.
  • Interactive Voice Response
    As the user's interaction with the database is predetermined by what the IVR system will allow the user access to, IVR technology does not require human interaction over the telephone.
  • How VoIP Is Used
    While there are a number of ways that VoIP is currently being used, most individual callers fall into one of three categories....

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