Hello I'm working with a kx-ta824. When a call is busy on CO1 if another customer calls it won't hunt so the VPS90 AA can pick up. It would just ring until CO1 line becomes available CO2 & CO3 both will hunt if the line is busy. All of a sudden it started not working. Any suggestions?

One thing's for sure: It has nothing to do with the 824. This line hunting is a service provider issue, period. Don't let them tell you anything otherwise. Key systems, regardless of brand cannot provide line hunting on POTS lines. This is always a central office feature.

Why you're receiving ringback tone when calling line one while it is busy is baffling. My guess is that the customer has somehow activated call forward-busy on that line, which overrides the normal preset line hunting.

Thank you for the reply. I'm probably explaining it wrong. If someone calls on line 1 and the call is answered which makes it busy and another client calls in on the same number the system/VSP won't auto answer. It just rings. Its like busy/don't answer forwarding feature isn't working. I thought that was controlled by the system??

If the lines are configured properly, and line one is busy, then the subsequent calls should roll over to lines two and three. This feature can NEVER be provided by the phone system; it is ALWAYS a service provider feature. Some even charge a monthly fee for it.

Because I am under the impression that the second caller receives ringback tone, but it doesn't roll to line two, my suspicion is that some form of forwarding code has been dialed on line one to force calls to an alternate number. This activation would always circumvent the service provider's line hunting feature.

The best thing to try is picking up on line one when it is idle and dialing *73. This will cancel any user-level forwarding that may have been activated.