I've been trying to figure out how to offset the light pattern of the LED's on the phone.We have about ten SPA509G phones running, but when someone is on the light, or when everyone is on the phone, they light up red on all of the lines.  If a call c...

Is there a way to configure the phones (Cisco SPA509G) so that they talk to each other, like an intercom system?Or configure them to talk to each other, IP to IP?Basically internally we would have 16 Cisco phones, they would connect to a Cisco switch...