DEAF week is celebrated every year in end of September but International Deaf Sign Language (IDSL
) is announced for the very first time.
CASE HISTORY--Here's a case history of how an IDSL
and early intervention by an ID specialist could have prevented a disastrous outcome.
provides symmetrical connection with Integrated Services
NAR members can receive price reductions on business class ADSL, SDSL, T1, and IDSL
: ISDN DSL offers a rather low speed (144K bps) in both directions compared with other symmetric versions, but it does provide 16K bps more than standard ISDN.
The multi-mode ZipWirePlus and ZipWireMulti solutions support G.shdsl (G.991.2), HDSL (2B1Q), HDSL2 (ANSI T1.418), and integrated services digital network DSL (IDSL
ACS Internet also offers IDSL
service that transmits 128Kbps for $49.95 to $150, based on the customer's choice of minimum speed per second.
The SunSet xDSL boasts a variety of plug-in modules that address numerous transmissions standards such as ADSL, IDSL
, SDSL, HDSL and Datacom.
The first of these, originally called ISDN (Individual Subscriber Digital Network), and now called IDSL
, provides two 64K data channels, a 16K signaling channel, and a maximum data transmission speed of 144Kbps.
(DSL comes in different varieties: ADSL, RADSL and IDSL
. See the related sidebar for a description of DSL types.).
uses ISDN technology -- a slower Internet access but still faster than 56K -- to deliver DSL connections at 144 Kbps.