Does anybody knows how lock/unlock the IP phone keypad to secure the device? Means input 4 digit to lock and 4 digits to unlock the keypad to make outbound calls. Always can receive phone calls. (No after hours pin)
Are you in a CUCM or CME environment? In either case, that is something that must be configured on the call controller (either server or router) and not on the phone itself. The feature is called Forced Autherntication Codes.
you're probably looking for a 3rd party app to do this for you. there is an app that moves the phone from partition to partition based on the keypad lock code. have not tired it but it seems simple enough.
you (the admin) controls what type of calls can be made when the phone is locked. typically, it would be extension to extension as well as emergency but again you control it.
i have only used this in a lab environment. you might want to contact them to see if they have support for Express.
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