Settings
Call Completion
Turning this setting to “On” will prompt the user to activate call completion, if possible, while dialing a number. When the dialed party becomes available again, your phone will be able to automatically redial the number.
IDNA (RFC 3490) Support
Switch on support for Internationalizing Domain Names in Applications (IDNA).
Action on Ethernet cable replug
Choose the action that should be performed after the network connection is reestablished: “Do nothing” or “reboot”.
Auto Dial
This setting is switched off by default. You can set a timeout after
which a number is dialed automatically without pressing the 
key or taking the handset off the hook.
Number Guessing
Here, the
Block URL Dialing
You can block the dialing of SIP URLs by turning this setting on. In this case only numerics will be allowed as input.
Deny All
When turned on, this setting shows the “Deny All” softkey on incoming calls so that incoming numbers can be put on the “Deny List”. Turning the setting off will disable this feature.
Challenge Response on Phone
As explained in an earlier chapter, snom phones can handle challenge responses on the phone. Turning this setting off will disable this feature and you will only be able to handle authentication through the web interface of the phone.
Broadsoft Call Control Features
Support for Broadsoft call control can be enabled here.
CMC (Client Matter Code)
When this setting is turned on, the user is offered a softkey during a call; its use sends a unique code to the server using the INFO message in SIP. This code can later be used for billing or book keeping along with the call ID of that call.
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