I have a large office setup with CISCO SPA504G and SPA508G handsets. The main reception has two SPA500S expansion modules attached.These are all connected with an Elastix server. My challenge is using the intercom facility and the SPA500S. I can call...

I have issues with an SPA508G handset with firmware 7.5.2 setup with an Elastix server.The problem relates to the phone displaying the wrong caller ID name.The reception phone is calling an internal extension in the same office. The name that shows u...