Phone delayed sound after answering a call

[jolouis]

(02-20-2019 05:55 PM)Jorge12 Wrote:  The phones need the 8 extensions because of the amount of call they get. So if I had all the Lines as say 200, only the first 200 would ring/light up and all ther lines would not see the incoming call, so the user wouldn't know if there was an incoming call.

?? Have you ever tested that? For example:
1) Configure a phone with say 3 line buttons. All three buttons are set to "Line 1" with a label of whatever the extension is.. say 200 as your example.
2) Make sure call waiting is enabled on your PBX.
3) When first call comes in, the first Line button lights up/flashes to show ringing. Display on the phone shows incoming caller information.
4) While on that call, if a second call is placed to extension 200, the 2nd button will begin to flash and the display will show the caller id of the new incoming call, below the existing call information. To answer that call, user just has to press the second line button.

So yes, technically not all 8 buttons would flash simultaneously, but there's also no reason for them to... a button will always flash to show an incoming call. (I'm assuming they came from an old KEY system where each physical line was mapped to a button. IN that case, only the line that was ringing would flash right?)

The only reason to do it the way you have done would be if you needed to have all 8 incoming lines kept completely separate from each other... so i.e. Line 1 is for Department A, Line 2 is Deparment B, etc. In that case, users would know what department is being called based on what line button is flashing.

Anyway all of that aside, the strange sound you are hearing doesn't seem normal. Can you record a video to demonstrate what exactly it is/what it sounds like? That would help track it down...