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Help! Cisco FXO Only First Port answers

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  • #28431
    Karin
    Guest

    Hi, i’ve setup a cisco 3600 router with 2 fxo’s, if i plug only one fxo port to the pbx, both ports work (individually).

    If i connect the two fxo ports at the same time (just plug the 2 wires) only the first port (port 0) works and the other sounds busy.

    The second port only answers calls if the first port is unplugged.

    Any ideas in this weird behavior ?

    karine

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