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Voice Over Internet Protocol (Voip) Quality Testing Over Hybrid Fiber/Coax (Hfc) Network

  • US 20080031143A1
  • Filed: 06/13/2005
  • Published: 02/07/2008
  • Est. Priority Date: 06/14/2004
  • Status: Abandoned Application
First Claim
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1. A method of testing a VoIP network that includes a hybrid fiber/coax (HFC) plant having a plurality of communication paths, each of which includes a fiber optic plant having a first end communicatively coupled to a first coaxial cable plant via a first transceiver and a second end communicatively coupled to a second coaxial cable plant via a second transceiver, each transceiver configured to convert optical data signals into corresponding electrical data signals and vice versa, the first coaxial cable plant of each communication path communicatively coupled to a call management system (CMS) via a cable modem terminations system (CMTS) which is configured to convert electrical data signals conveyed thereto via at least one of the communication paths from a first communication protocol utilized on the communication paths to a second communication protocol utilized by the CMS and vice versa, the method comprising:

  • (a) communicatively coupling a first test device assigned a unique IP address to the second coaxial cable of a first communication path;

    (b) communicatively coupling a second test device assigned a unique IP address to the second coaxial cable of a second communication path, wherein at least one of the first and second test devices is coupled to its communication path at or adjacent the connection of a power supply of the HFC plant to the communication path;

    (c) creating a packet communication session between the first and second devices via the first and second communication paths;

    (d) simulating without the use of a physical telephone a voice telephone call between the first and second test devices via the communication session, wherein said simulated telephone call includes conveying data packets from the first test device to the second test device and vice versa;

    (e) analyzing the data packets received at each test device; and

    (f) transmitting the analysis of the data packets received by each test device to the CMS.

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