i have a netgear ac1200 and a cisco spa 112, on some but not all calls there is a delay when i answer the phone sometime up to 30 seconds before i can hear the other person and they can hear me, i miss quite a few of these calls because the caller puts down the phone before the delay has ended so then i have to call them back ( and there is no delay when i make that call) any idea what might be causing certain calls to be delayed and if it is possible to fix the problem
