Yealink T48S Skype For Business Edition User Manual page 121

Select the contact or enter the phone number you want to forward calls to.
After configuration, incoming calls are forwarded to the preset number or contact.
c) If you select My Delegates:
Add the delegates you want to forward calls to when you receive an incoming call.
You can also specify that after how many seconds the delegate's phone ring.
Configuring Simultaneously Ring on Skype for Business Client
To ring other phones simultaneously when your phone is ringing:
In Skype for Business client, click
1.
Mark the radio box of the Simultaneously ring field.
2.
and then click Call Forwarding Settings.
Basic Call Features
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