486 Busy Here when calling to certain numbers, when used to work yesterday

[sdillon]

Hi, My phones were working yesterday and today I am getting 486 Busy Here when I try to call numbers that I used to call perfectly yesterday.


No settings have been changed since then, just started happening.

 

[cobaltit]

So you should probably start troubleshooting. There's no mention of how your calls go out. First, if internal calls work (extension to extension, extension to voicemail, extension to echo test) but external call fails then you need to troubleshoot your PSTN connectivity. If SIP trunks, try a reboot first and then call your trunking provider. If it's a pre-pay provider your balance may be empty. If you are using some sort of gateway for POTS/PRI/GSM try rebooting that device.

 

[AWS2P]

Hi; 486 is not meaning there's a problem on your 3cx, it's just saying that number you've dialed is not available, perhaps already in call or with a problem on his side.

If you have another provider out of 3CX box , like mobile for example and try to call same number if it's same busy answer then no problem on your side.