Release Date: 2016-11-11

Level Code Display Definition
1 data data Description: This device can receive data calls (i.e. modem).
1 fax fax Description: This device can receive faxes.
1 sms sms Description: This device can receive SMS messages.
1 tty text Description: This device is a text telephone.
1 voice voice Description: This device can receive voice calls (i.e. talking to another person, or a recording device, or a voice activated computer).