most recent 30 from http://mrwatsoncomehere.com 2010-07-30T02:35:09Z http://mrwatsoncomehere.com/feeds/tag/sdh http://www.creativecommons.org/licenses/by-nc/2.5/rdf http://mrwatsoncomehere.com/questions/11/what-is-an-express-orderwire Bruce Fitzsimons 2009-10-20T03:33:16Z 2010-07-27T15:22:57Z

<p>SDH has a byte set aside for a 64Kbps voice channel in the header (byte E2) with the title MS orderwire byte. </p> <p>Why? What is this for?</p>