42 Appendix A: Troubleshooting
The reason might be that the busy tone parameter of IP1200C is different from the one of your local telephone
company or your PBX system. As a result your IP1200C is not able to detect the busy tone signal and
disconnect the line. You can adjust the parameters on Busy Tone Setup to match the requirement offered by
your Telephone Company or PBX system.
Summary of Contents for IP1200C
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