Emergency Calls: The Emerg soft key feature is not supported. Emergency calls are not available when the phone is not registered.

Distinctive Ringing: There is no support for distinctive ringing on this phone.

# Key Usage: J100 telephones do not use # to indicate dialing complete, instead the # key is treated as part of the dialed number. Dialing is completed by time out of the inter digit dialing timer set in the phone configuration file (default 5 seconds, minimum 1 second, maximum 10 seconds).

Media Security/SRTP: SRTP with AES-256 crypto suite is not supported.

Certificates:

• SCEP certificate handling is not supported.

• The phone only requests a certificate during its first connection if TLS is enabled and it has no certificate with the same name already present.

Contacts Menu: The phone only support the user's personal contacts. It does not display system directory contacts.

• Support for contacts/recents requires the phone to be installed using HTTPS. If not, contacts using HTTP is possible if HTTP Directory Read and HTTP Directory Write are enabled in the system's security settings. This also affects the display and operation of the phone's Recents menu.

Unsupported Phone Features:

• Call Frwd menu

• Transfer on Hangup

• Automatic Callback

• Hot Desking