To configure Fax Station ID and Fax Headline

When sending and receiving faxes, you usually need to specify Fax Station ID and Fax Headline, that can be configured in the Windows Fax Service software.

The Transmitting Subscriber Identification (TSID) is a Transmitting Fax Station ID. The TSID is a text string that identifies you as a fax sender. It is transmitted to the recipient when an outgoing fax is sent, and it may appear in the display of the recipient's fax machine. The TSID is transmitted at the top of each faxed page. The TSID usually consists of the sender's fax number and business name. The TSID is limited to 20 characters.

The Called Subscriber Identification (CSID) is a Fax Station ID, that is used with incoming faxes. The CSID is a text string that identifies you as a fax recipient. It is transmitted to a fax sender when you receive a fax, and it might appear in the display of the sender's fax machine. The CSID usually consists of the recipient's fax number and business name. Your CSID and TSID can be the same. The CSID is limited to 20 characters.

The Fax Headline is a text that is also transmitted at the top of each faxed page. Usually the name of your company. The Fax Headline is limited to 50 characters.

At the time of installation, Fax Voip T.38 Modem configures the Windows Fax Service to use 'Fax Voip T.38 Modem' as Fax Station ID for all Fax Voip 14.4K TAPI Voice-Fax Modem devices.

To configure Fax Station ID and Fax Headline in Windows 11, Windows 10, Windows 8/8.1 or Windows 7, see To configure Fax Station ID and Fax Headline in Windows 11.

To configure Fax Station ID and Fax Headline in Windows Server 2022, Windows Server 2019, Windows Server 2016, Windows Server 2012/2012R2 or Windows Server 2008R2, see To configure Fax Station ID and Fax Headline in Windows Server 2022.