Altigen Advanced Call RouterTM Manual de usuario descargar pdf (Pagina 14)

AltiGenIP‐PBXFeature

Overview



DNIS Name Display and Routing over IP Tie Trunk ‐ allows

for DNIS information to be transferred to the other system

whenroutedoverIPtie‐trunks.DNISnameofmatchedentry

can be displayed at AltiConsole, MaxCommunicator,

AltiAgent,andhandset.



Caller ID/Name Sent Over IP Tie Trunk ‐ SIP supports



sendingthecaller’sname,soSIPandH.323callsmaydisplay

differentcallerIDinformation.



DTMFpayloadembeddedwithRTP(RFC2833)‐thisfeature

helps to resolve DTMF tone detection and regeneration

when using G.723.1 or G.729 codecs. Low bit rate

compression can distort DTMF tones during compression

and

causethefarenddevicetonotbeabletorecognizethe

DTMF digits. RFC 2833 specifies a separate RTP payload

format to carry DTMF information to ensure the other side

canrecognizethetoneproperly.



Dynamic Jitter Buffer ‐ due to various delays in the IP

network,audiopacketstreams

maybedeliveredlateorout

oforder.Thesystemisabletobufferincomingpacketsand

re‐sequence them by maintaining a queue. This queue is

adjusted dynamically to accommodate different network

environmentcharacteristics.



EchoCancellation‐duetobandwidthlimitationsanddevice

loading, long delays may occur during

packet delivery

process, which worsens the echo effect voice speech. Echo

cancellation is provided to maintain reasonable voice

quality.



G.711Codec‐tollquality(64K)digitalvoiceencoding,which

guaranteesinteroperabilityandbettervoicequality.



G.723.1Codec‐adualrateaudioencodingstandard,which

provides near toll qualityperformance under

 clean channel

conditions.



G.729A+BCodec‐speechdataencoding/decodingstandard

of8Kbps.



GlobalIPDialingTable‐TheIPDialingTableisconfiguredin

Enterprise Manager. The IP Dialing Table configuration is

usedtocreatelocation‐basedroutingintheEnterprise.



H.323 Tie‐Trunk Support ‐ Ensures backward

 compatibility

tosystemsusingAltiGen’sAltiWareversionspriorto5.1.



IP Extension Auto Failover ‐ when an IP extension is

unreachable,thesystemwillautomaticallyfailovertoapre‐

configuredMobileExtension.



IPGroupPaging‐allowstheuseofvoicepagingtoIPphone

usersinagroup.



NAT Configuration for SIP/H.323 ‐ WhenAltiServ is behind

NATwithaprivateIPaddress,thisfeaturehelpstoresolveIP

address resolution problems when communicating with an

externalVoIPdevice.



Silence Detection and Suppression ‐ when silence

suppression is enabled and silence is detected, the system

stopssendingpacketsto

theotherside.Theothersidedoes

notreceiveanypacketsandplayssilence.



VoIPHop‐OffCallSupport‐allowsanextensiontoaccessa

PSTN trunk on the remote system and “hop off” to dial an

outside telephone number. This hop off feature can be

enabled or disabled

on the remote system. Outcall

restrictionsforhopoffcallsareconfigurable.



SIP Trunk Support ‐ MAXCS enables AltiGen’s system to

connecttoIP‐basedtrunkingserviceprovidersviaSIP.



SIP NAT Traversal ‐ Allows MAXCS to connect to a remote

SIP phone or IPTalk behind NAT without changing the NAT



settingattheremotelocation.



SupportforRFC2833(DTMFpayloadembeddedwithRTP)

‐Supportedin SIP trunksonly.This feature helpstoresolve

DTMFtone detectionand regenerationwhen using G.723.1

or G.729 codec. Basically low bit rate compression will

distort DTMF tone during compression. The far end device



may not be able to recognize the DTMF digits. RFC 2833

specifies a separate RTP payload format to carry DTMF

informationtoensuretheothersidecanrecognizethetone

properly.



SupportforbothSIPandH.323TieTrunk‐Whensettingup

a system‐to‐system VoIP tie trunk,

either SIP or H.323

protocolcanbeused.



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