What isT.38

T.38 is an ITU standard designed for real-time Group 3 fax transmission over IP networks. It is commonly used by fax gateways to convert conventional fax signals into IP packets and vice versa.

How Does T.38 Work?

The T.38 fax protocol works by converting analog fax signals into digital data packets that are transmitted over IP networks in real-time. The digital data packets are then reassembled into analog fax signals on the receiving end.

When a standard fax machine sends a document, the fax gateway intercepts the analog fax signal and converts it into a compatible digital format, then sends it over the IP network using T.38. On the receiving end, the fax gateway converts the digital data packets back to analog fax signals, which are then printed by the recipient’s fax machine.

Benefits of Using T.38

  • Eliminates the need for a dedicated fax line and can transmit faxes using the Internet.
  • Enables reliable and secure fax transmissions over IP networks.
  • Compatible with most fax machines and email clients.

Final Thoughts

The T.38 fax protocol provides a reliable and cost-effective solution for transmitting faxes over IP networks. By leveraging T.38, businesses can eliminate the need for a dedicated phone line and enjoy the benefits of digital document transmission.

FAQs

What is T.38 gateway?

A T.38 gateway is a device that connects traditional fax machines with the Internet, enabling fax transmissions over IP networks using T.38 protocol.

How is T.38 different from traditional fax machines?

T.38 converts analog fax signals into digital data packets that can be transmitted over IP networks in real-time. Traditional fax machines use analog signals transmitted over a dedicated phone line.

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