Click here to read our post on Flash end-of-life and how it affects your Comrex unit.

Product Support

Technical Support, product manuals, firmware updates and more.


Business Hours: M – F, 9 am – 5 pm EST 

Tel: 1-800-237-1776 (North America)

Tel: 1-978-784-1776 (International)

Tech Support:

Apoyo Tecnico en español:

Codec Test Lines

POTS: 1-978-784-1700

ISDN: 1-978-772-9404

Lab Voice:

Lab Music:

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