Systems Advanced Digital Network Audio Transceiver User Manual

USER’S MANUAL
Appendix 8 – Ordering ISDN for the USA and Canada 335
IOC Capability Packages (provisioning package or ordering code)
IncreasinglyTelcosareusingISDNOrderingCode(IOC)capabilitypackagesforISDNordering
(NationalISDNprotocolonly).Ifyourtelephonecompanyusesthese,youneedonlytellthem
youneedIOCpackage“S”andanRJ11stylejack.Werecommendthatyoufaxthemthese
formsinanycase,justtobesure.
Lon
g-Distance Digital Connectivity
LongdistanceconnectivityisroutinelyavailableinmostpartsoftheUSAfromthe“bigthree”
carriers:AT&T,Sprint,andMCI(notWorldcom,butMCI).Connectivitybetweenanytwogiven
pointsisoccasionallysomewhatvariable.The“dial1+”defaultcarriermaybechosenatthe
timeyouorderth
eline,justaswithtraditionalvoicelines(Note:youmustspecifythecarrierfor
eachBchannel).Aswithvoicelines,youmaychooseacarrieronapercallbasisbyprefixing
thenumberwiththe101XXXXcarrierselectioncode.
Youmustdialthefullnumber,includingthe1or011+cou
ntrycodefollowingtheprefix.
Somelongdistanceconnectionsarelimitedto56kbps/channel.Thislimitationisbecoming
morerare.Thereisnocertainwaytoknowinadvance.Inaddition,somecarriersmayworkat
64Kbpsandnot56Kbps.So,youmayneedtotryboth.
TheZe
phyrXstreamprovidesstandardrateadaptation(officiallyknownas‘CCITTV.110’)from
56to64kbpsandviceversawhenrequired.Bitrateadaptationhappensautomaticallywithin
theZephyrXstreamdependingupontherateselectedbythecallingparty.SincetheZephyr
Xstreamcannotcommunicateatbothratessimultaneously,itwilli
gnorerateadaptation
informationonthesecondincomingcallremainingattheratesetforthepriorcall.
Inourexperience,theonlysurewaytoknowifaconnectiongivenbetweentoparticularpoints
willworkistotryit,firstat64kbpsandthenat56kbpsifthehigh
erratefails.
FAXABLE ISDN ORDER FORMS For the USA & Canada
Following forms should be used to place orders for ISDN lines in the USA & Canada.
SinceISDNisverycomplexinthosecountries,itisnecessarytousetheseformsoryou
mayexperienceproblems.Theseshouldgivethephonecompanyalloftheinformation
theyneed.Themajorityofinstallatio
ns,iforderedinwriting, withthisinformation,go
smoothly.If you do experience problems Telos technical support is here to help.You
mayalsowishtolookatourtroubleshootinginformationintheZephyrXstreammanual.
Completethetop portionoftheformandsendall threepagestothe phon
ecompany.
Keepthe formhandy andshow itto theinstaller whenhe orsheputs inyour lineand
ask the installer to verify with the switch programmer (at the central office) that your
lineisconfiguredasordered.