Call Today 716.688.4675


VOCAL offers Fax Reference Designs for a range of legacy and softmodem fax/facsimile communications applications over PSTN, radio, mobile and IP networks. Our design solutions are robust, flexible and configurable to meet your specific fax requirements. Custom solutions are also available. Contact us today to discuss your fax application.

Modulations and Protocols

  • Overview
  • V.34 Fax
  • V.17 Fax
  • V.21 Channel 2 Fax
  • V.27ter Fax
  • V.29 Fax
  • T.30 Fax and T.30-E Color Fax Protocol
  • T.38 Fax over IP
  • V.59 diagnostics

Reference Designs

VOCAL’s Fax over IP functionality is available as part of an integrated Voice/Fax/Modem over IP solution based on our ATA reference design.

VOCAL Technologies, Ltd.
520 Lee Entrance, Suite 202
Amherst New York 14228
Phone: +1-716-688-4675
Fax: +1-716-639-0713