Yealink T46G Administrator's Manual page 88

Yealink Skype for Business HD IP Phones Administrator Guide
If there is no DHCP Server in your environment, you may fail to sign in phone using PIN
Authentication method, you can manually configure the certificate address of Skype for
Business Server to make the phone sign in successfully.
To manually configure the certificate address of Skype for Business Server via web user
interface:
Click on Features->General Information.
1.
Enter the certificate address of Skype for Business Server in the SFB Cert Service URL field.
2.
Click Confirm to accept the change.
3.
To sign into Skype for Business Server using PIN Authentication method via phone user
interface:
Press the Sign in soft key.
1.
Press
2.
Enter your phone number or extension (e.g., 2216) in the Extension field.
3.
74
or , or the Switch soft key to select PIN Authentication.