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Resource Library
Comrex will be closed on Monday, October 10th for a federal holiday. Please note tech support will not be available. We encourage customers to contact us ASAP for assistance. We will reopen on Tuesday, Oct. 11th at 9AM Eastern Time (US).
Matrix
Manuals
Matrix TelCell Manual
Matrix Manual
Matrix GSM Manual
Matrix ISDN Manual
Technotes
Coding Delay in Digital Audio Codecs
Technical Explanation of Comrex Turbo G.722
ISDN Codec Compatibility
Ordering ISDN Lines
GSM Discontinuation in U.S.
POTS Modems vs IP Telephony
POTS Over ISDN
Matrix / Bluebox Firmware Updates
Modem Line Checklist
POTS vs ISDN
Making the Transition from ISDN to IP
POTS Basics
Fixing Bad POTS Lines
Using a POTS Codec on a Dry Pair
