•MNP2-4(Microcomerrorcorrection)
•V.42(error-correctingproceduresforDCEsusingasynchronousautomaticdialingandcontrol)
Datacompressionprotocols
•V.42bis(DCEdatacompression)
•V.44
•MNP5(Microcomdatacompression)
Miscellaneousprotocols
•V.8(startupsequence)
•V.80(videophone)
•FastConnect
Note:ThisfunctioncanworkonlyifthephonelineandserverequipmentatyourISP(InternetService
Provider)accesspointarecompatiblewithit.CheckwithyourtelephonecompanyandISP.
•ModemonHold
Note:Thisfunctioncanbeusedonlyincertaincountriesorregions,becauseitreliesonthespecications
oftheCallWaitingfunctionandCallerIDfunction,whicheachcountryorregionsetsindependently.Ithas
beentestedandshowntoworkintheUnitedStatesandCanada.Inaddition,thefunctioncanworkonlyif
itiscompatiblewiththeserverequipmentatyourISP.
Industrystandardfaxsupportupto14.4Kbps:
Faxprotocols
•V.21Ch2(300-bpsfax)
•V.17(upto14.4-Kbpsfax)
•V.29(9600-bpsfax)
•V.27ter(4800-bpsfax)
Computertelephonyfunctionsupport:
•DTMFandpulsedialing
•DetectingDTMFdigitsreceivedfromthephoneline
•Callprogressmonitoring
•Anauto-dialingfeature
•TelephonyAPI(T API)
Modemcommands
ThissectionprovidesinformationontheATmodemcommands,incaseyouneedtooperateyourmodem
fromterminalsoftware.
Runningcommands
Yourmodemisincommandmodeatpower-onandisreadytoreceiveandrunATcommands.Itremainsin
commandmodeuntilitconnectswitharemotemodem.Youcansendcommandstothemodemfroman
attachedterminaloraPCrunningacommunicationprogram.
Themodemisdesignedt ooperateatcommonDTEspeedsrangingfrom115.2Kbps(or57.6Kbps)to300
Kbps.AllcommandsanddatamustbeissuedtothemodematoneofthevalidDTEspeeds.
Chapter2.Usingyourcomput er51