I am in the process of migrating the existing 4507 Switch to a layer 3 switch and also add a 2800 series router to replace the switch. Please advice which switch will be good to replace with. Can I use a 3650 switch.The current 4507 switch acts as th...

I am new to CCME. I need to add telephones & Extensions on a CCME express for CCME 12.4(11)XJ3 / CME 4.1(0). Please let me know how to add the phones and program extensions to an existing CCME.