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SCA Functional Specification

Signature Capture Expanded

Last updated: 04-Dec-2024

This command directs the device to capture signature from a customer while showing more disclaimer text on the screen.

  

Note

This command is supported by touch capable Engage devices only. Engage devices have limited text space available on screen. Not supported by TSYS Direct Engage as of this publication.

  

Note

Signature Files for Android devices are larger in size compared to Engage and Mx devices, as Android devices have higher resolution screen. The Engage and Mx signature files are monochrome (1 bit per pixel) files whereas M440 is RGB with non-white background. This is the reason for higher data size and it always use 24 bit RGB. TIFF file format is not supported on Android based devices. This is also applicable for Signature Capture in AUTHORIZE and CAPTURE commands.

Rules

  1. The SIGNATURE_EX command is intended for non-payment purposes and is to be used outside of a payment transaction.
  2. SIGNATURECAPTURE parameter should be enabled.

Configuration Parameters

Following are the configuration parameters which affect the operation

  • SIGNATURECAPTURE
  • SIGIMAGETYPE
  • CTLSIGLINE
  • CNTSIGLINE

Message Interface

Refer to the below Protocol section for the command fields description and examples.

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