How can I configure the CUCME (v.10) so that an IP Phone (e.g. Door Phone) can only access to receptionist IP Phone and no other IP phone nor outside line? 

Dear Guru,I would like to ask one question as follow:For LAN switch management point of view, we can by default use VLAN 1 to telnet to switch for switch configuration change.Because of some reason, customer has to use VLAN 1 for other purpose, may I...