4 • DSP-1282 &DSP-1283: Secure SIP Endpoint with Avaya Aura 7.1 Configuration Guide — 8340B
Unsupportedfeaturesinclude:
l Calls withnon-secure(Real-timeTransportProtocol(RTP)only)devices
l Caller ID presentation
l Callholdandresume
l Callforwardingonthedevice(forwardingcanbeconfiguredonthePrivateBranch
Exchange(PBX)for theDomain Name(DN)assignedtotheendpoint)
l Callwaiting
l Conference
l Attendedcalltransfer
l Earlyattendedcalltransfer
l Blindcalltransfer
l Sharedline(configurationof sharedlineondevice)
l Initiatingcallpark
l Voicemailaccess andinteraction
Knownissues andlimitationsinclude:
l Nosupportfor caller IDon theCrestronAviaDSP.
l Nosupportfor MWI ontheCrestronAviaDSP.
l TheDSPdoesnotsupportMusiconHoldwhenintegratedwiththeAvayaAuraPBX.
l TheDSPdoesnotsupportchangestoDNSmanagementwhenconfiguredwithout
DHCPsettingsviaToolbox.
l IntermittentissuewithDTMF sentfrom CrestronAviaDSP toAvayaMedia
Gateway.Thefar endindicates duplicateandmissingDTMFevents.
l DuringacallfromasecureDSP totheAvayaCommunicationManager Messaging
(CMM),thereis incompatibilityin Real-timeTransportControlProtocol(RTCP)
supportbetweendevices.TheAvayaCMMonlysupports RTCPanddoes notsupport
SecureReal-timeTransportControlProtocol(SRTCP,sentbytheDSPinsecure
mode).TheAvayaCMMrejects SRTCPcalls witha488"NotAcceptableHere"
message.
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