Busy Signal on first dial.... then the call goes through

[avc870653176052]

IPO IP500V2 Control Unit. For my office. When making calls we will often get a busy signal on the first dial. On the second or third dial the call will go through. Any suggestion how to troubleshoot? thanks.

[markgallagher]

What type of trunks? If analog, you may have trunk ports that are not connected and need to be set to out of service.

[avc870653176052]

this is what i'm looking at. so anything listed here that does not correlate to a physical cable needs to be set out of service?

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[markgallagher]

If you have any analog ports to which an analog trunk isn't actually connected, set the trunk's Admin setting to Out Of Service.

[avc870653176052]

Ok thanks. I'll try it and pray i don't break anything