Any idea it was working fine .. recently our ISP have a disconnect and restore create problems.. Attached Configuration Building configuration... Current configuration : 9556 bytes!version 12.4service timestamps debug datetime msecservice timestamps...

Hello Anyone idea how can I add multiple phone to a single extension Eg: Ext 1001,  will place in 3 Admin Buildings Receptions on different phones ,  Is it possible to add these three phones mac Address to the single Ext 1001. Thanks you