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Chapter3–InstallingSoftware

24 MultiVOIP®Voice/FaxoverIPGateways

Toconfigurechannels:

1. FromtheSelectChanneldrop‐downlist,selectthechannelyouwanttoconfigure.

2. IntheFax/ModemParametersgroup:

a. FromtheSetMaxBaudRatedrop‐downlist,selectaratethatmatchesafaxmachine(2400to14400

bps).

b. DonotchangethesettingintheFaxVolumedrop‐downmenu.Suchchangescanadverselyimpactthe

modem’soperation.

c. Fromthe

JitterValuedrop‐downlist,selectthedesiredtimeforpacketreassembly.

d. FromtheModedrop‐downlist,selectT.38orFRF11.

e. ToallowmodemtrafficthroughtheVOIPsystem,checktheModemRelayEnablecheckbox.

3. DonotchangesettingsintheDtmfgroup.AdjustingVoiceGainandDTMFmayadverselyaffectquality.

4. IntheSelectedCoderdrop‐downlist,selectacoderorallowautomaticnegotiation

5. IntheAdvanceFeaturesgroup:

● Tonotsendsilencepackets,checkSilenceCompression.

● Toremoveechoandimprovevoicequality,selectEchoCancellation.

● Torecoversomebadpack ets, checkForwardErrorCorrection.

6. UsetheAutoCall/OffHookAlertgrouptoallowautomaticallycallingofaremoteVOIPwithoutdialing.This

isdescribedingreaterdetailinChapter4.

7. IntheDynamicJittergroup,changevaluesifnecessary(detailsinChapter4)

● SelectanyAutomaticDisconnectionoptionsneededtoensureline sarenotleft“open”

● ConfigurablePayloadTypesarebestleftattheirdefaults.Notinthe–SSmodels

8. Configureeachchannelasdescribedintheprecedingsteps.YoucanusetheCopyChannelbuttontoquickly

transferthesettingsfromonechanneltoanother.

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Multitech MVP 800 Specifiche Pagina 24