For those of you working with Fax of IP, an interesting book called "Fax, Modem, and Text for IP Telephony" was recently published by Cisco Press. This book covers both T30 and T38 basics, as well as much more. It has very positive reviews on Amazon. Check it out! Shifting gears... Need to...
Economic conditions being what they are, the Fax over IP (FoIP) user community is looking for an edge. V.34 'Super G3' fax, covered by version 3 of T.38, makes Internet fax transmissions really move saving money and bandwidth. The original version 0 of T.38 was approved over 10 years ago and...
How can data files that monitor the same test call but come from disconnected sources be directly compared with each other? In the Post Mortem Analysis of T.30 and T.38 Traffic posting, I pointed out that QualityLogic's DataProbe T30-T38 Analyzer has the ability to import fax call data from .wav...
For years, fax device manufacturers have pondered the question of how much accommodation they should make for non T.30 compliant devices. Too little and customers complain about inability to send their pages, too much and development costs soar. The roots of facsimile becoming the commodity service it...
Facsimile traffic has followed voice traffic in its migration to the Internet. Historically, the T.30 protocol has been used to transmit facsimile messages over the traditional PSTN network. Because T.30 contained a variety of timing constraints that could not be guaranteed with packet traffic routing...