Connecting old & new PBXs

Discussion in 'VOIP' started by ishinnk, Apr 11, 2011.

  1. ishinnk

    ishinnk

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    Hi,

    I am facing an issue with interfacing 2 older model PBXs in locations A&B with 2 newer model PBXs in location C&D. The PBXs have been connected via 2Mbps E1 lines. The problem is that I am not able to establish communication in tone mode dialling between the old & new PBXs while I am able to establish connection between all PBXs in pulse mode. The set of old PBXs & the set of new PBXs are able communicate with one another in tone mode though. Is this a compatibility issue that the PBXs are not compatible in only tone mode dialling?
    I would really like to know where the problem might be.

    Thanks

    Ishin
     
    ishinnk, Apr 11, 2011
    #1
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  2. ishinnk

    Dean Mortensen

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    Dean Mortensen, Jun 21, 2011
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