Telepen Overview

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Telepen was designed in the United Kingdom in 1972 to express all 128 ASCII characters without using the shift characters for code switching. It only uses two different widths for bars and spaces.

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Supported Host Device


Products that Support Telepen

(Disabled on all Socket Mobile barcode scanners)

Supported Business Application:


Partner Applications

Applications integrated with Socket Mpbile's Capture SDK.


Verify with your application provider that Socket Mobile's latest Capture SDK was implemented in your app. See the latest Capture SDK version.

See complete list of Partner Applications.

Non-Capture SDK Applications

Applications that are not integrated with Socket Mobile's Capture SDK




Telepen symbology is supported by default on all Socket Mobile barcode scanners. You can enable or disable this symbology on your Socket Mobile scanner simply by scanning the codes below.  Note: Scanner must be in a disconnected state before scanning the command barcode.

Enable Telepen Symbology*:

To enable the Telepen symbology scan the barcode below:

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Disable Telepen Symbology*:

To disable the Telepen symbology scan the barcode below:

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See the full programming guide for more info and troublshooting.
*D750 requires separate enable/disable command barcodes found in the programmign guide.

Troubleshooting / FAQ


Q: What is the typical usage for Telepen?

A: Libraries

Q: How to parse the data?

A: App coming soon, please contact

Download on iTunesDownload google play 

Q: Do you need help creating this barcode?

A: Socket Mobile recommends this free barcode generator: