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Telos Zephyr Xstream Two-Way Radio User Manual

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USER’S MANUAL

Appendix 8 – Ordering ISDN for the USA and Canada 335

IOC Capability Packages (provisioning package or ordering code)

IncreasinglyTelcosareusingISDNOrderingCode(IOC)capabilitypackagesforISDNordering

(NationalISDNprotocolonly).Ifyourtelephonecompanyusesthese,youneedonlytellthem

youneedIOCpackage“S”andanRJ‐11stylejack.Werecommendthatyoufaxthemthese

formsinanycase,justtobesure.

Lon

g-Distance Digital Connectivity

Long‐distanceconnectivityisroutinelyavailableinmostpartsoftheUSAfromthe“big‐three”

carriers:AT&T,Sprint,andMCI(notWorldcom,butMCI).Connectivitybetweenanytwogiven

pointsisoccasionallysomewhatvariable.The“dial1+”defaultcarriermaybechosenatthe

timeyouorderth

eline,justaswithtraditionalvoicelines(Note:youmustspecifythecarrierfor

eachBchannel).Aswithvoicelines,youmaychooseacarrieronaper‐callbasisbyprefixing

thenumberwiththe101XXXXcarrierselectioncode.

Youmustdialthefullnumber,includingthe1or011+cou

ntrycodefollowingtheprefix.

Somelong‐distanceconnectionsarelimitedto56kbps/channel.Thislimitationisbecoming

morerare.Thereisnocertainwaytoknowinadvance.Inaddition,somecarriersmayworkat

64Kbpsandnot56Kbps.So,youmayneedtotryboth.

TheZe

phyrXstreamprovidesstandardrateadaptation(officiallyknownas‘CCITTV.110’)from

56to64kbpsandviceversawhenrequired.Bitrateadaptationhappensautomaticallywithin

theZephyrXstreamdependingupontherateselectedbythecallingparty.SincetheZephyr

Xstreamcannotcommunicateatbothratessimultaneously,itwilli

gnorerateadaptation

informationonthesecondincomingcallremainingattheratesetforthepriorcall.

Inourexperience,theonlysurewaytoknowifaconnectiongivenbetweentoparticularpoints

willworkistotryit,firstat64kbpsandthenat56kbpsifthehigh

erratefails.

FAXABLE ISDN ORDER FORMS For the USA & Canada

Followingformsshould beusedto placeorders for ISDNlines in the USA & Canada.

SinceISDNisverycomplexinthosecountries,itisnecessarytousetheseformsoryou

mayexperienceproblems.Theseshouldgivethephonecompanyalloftheinformation

theyneed.Themajorityofinstallatio

ns,iforderedinwriting,withthisinformation,go

smoothly.IfyoudoexperienceproblemsTelostechnicalsupportisheretohelp.You

mayalsowishtolookatourtroubleshootinginformationintheZephyrXstreammanual.



Completethetopportionoftheformandsendallthreepagestothephon

ecompany.

Keeptheformhandyandshowittotheinstallerwhenheorsheputsinyourlineand

asktheinstallertoverifywiththeswitchprogrammer(atthecentraloffice)thatyour

lineisconfiguredasordered.

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