Nortel Networks NN44470-100 manual Conferencing, Quality of Service

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MAS commissioning

— RFC2833

Attention: If you remove all methods, inband DTMF detection is forced, which is not recommended because it degrades system capacity.

•Configure the preferred order of enabled DTMF relay methods for negotiation (SDP answer) or default SDP (SDP offer).

•Configure the RFC2833 payload type. Nortel recommends that you select the default payload type, which is determined dynamically. However, some clients require a fixed payload type.

Conferencing

To configure conferencing, use the Nortel MAS Console. You can configure the following conferencing properties:

•Enable or disable the Automatic Gain Control. The default is enabled.

•Enable or disable the Customized Replacement Video property. When enabled, customer-supplied replacement video files are used. The default selection is enabled.

•Enable or disable the Lock Video Format on First Party in Conference property.

When enabled, the first party determines the video format. If the first party is audio-only, the conference has no video. When disabled, the first party with active video determines the video format. The default is enabled.

•Enable or disable the Replacement Video For Active Speaker property. When enabled, the active speaker receives replacement video in conferences where one or more than two (but not two) parties are enabled to speak. The default is enabled.

•For the Silent Conference Teardown Delay (sec) property, configure the number of seconds a conference must be silent before it is terminated (0 indicates no termination). The default value is one hour.

Quality of Service

MAS supports Differentiated Services (DiffServ) packet marking on outgoing Real-time Transport Protocol (RTP) streams. The system sets the DiffServ Control Point (DSCP) to expedited forwarding (EF), which is a widely supported indicator for QoS-enabled networks carrying real-time audio and video data. Network routers that are QoS-enabled examine the type of service bits in the IP header and provide priority (with respect to routing and handling) to those packets marked with expedited forwarding. In addition to marking packets, MAS uses high resolution, interrupt-driven timers to drive RTP packetization at precise intervals.

Nortel Media Application Server 6.0 for AS 5300

Fundamentals

NN44470-100 01.01 Standard

Release 6.0 03 June 2008

Copyright © 2008, Nortel Networks

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Contents Fundamentals Page Contents Nortel MAS Console Navigation FeaturesNew in this release Other changesIntroduction System architecture MAS installationArchitecture and supported hardware and software Network architectureSIP Multimedia Conductor Sipmc Session controllerVxml browser Multimedia ControllerIVR media processor Ivrmp Multimedia Content StoreMAS installation Conference media processorOptions for MAS application deployment Announcements Application deployment optionsMusic On Hold Unified CommunicationsCo-resident Application Deployment including Meet Me Maintenance ReleasesCo-resident deployment Co-resident Application Deployment excluding Meet MeAS 5300 commissioning for MAS Packaged application installation and licensingMAS commissioning Packaged applicationsMAS clusters Configuration dataOperational state Persistent content storage Controller Peer Ring SIP properties SIP signalingSIP domains SIP routes SIP accountsSIP trusted nodes SIP proxy serversBasic conferencing algorithm Media conferencingSIP registrar servers Premium conferencing algorithmMixing different codecs Video codecs Media settingsAudio codecs Digit relayQuality of Service ConferencingQoS properties Property Description Directory provider Continuous streamingRSS provider RSS 2.0 sample document MAS administration and security Access security setupUser accounts Security Auditor SARemote Desktop Protocol Application Administrator AALogon banners Ipsec configuration Security toolsCertificate management File system integrity and the fcheck toolAutomatic and manual backups Service and configuration data backupService data Service data Content Store data Backup of configuration dataRestrictions Backups System maintenanceEvent logs MAS performance management Fault management architecture MAS fault managementPolling management data Snmp management Supported MIBsSyslog Event logsSecurity Logs Field DescriptionAlarms MAS Console security logsField Description Generic Nortel MAS Console Counters & GaugesNortel MAS Console IP InterfacesAdvanced Settings SignalingMedia Settings LoggingConfiguration properties Dialog boxesTranslation properties Translation Properties dialog box SIP domain properties SIP Domain Properties dialog boxSIP account properties SIP Trusted Nodes properties SIP route propertiesModify SIP Route dialog box Audio codec configuration Video codec configuration Video Codec Configuration dialog box Digit relay configuration Users properties User Properties dialog box Terminology Management Information Base Differentiated Services Code PointDual-tone multi-frequency Media Application ServerSession Information Protocol Redundant Array of Independent DisksSession Description Protocol Simple Network Management ProtocolVideo codec Universal Resource IndicatorUser Datagram Protocol Voice Extensible Markup LanguagePage Fundamentals
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