Manuals / Polycom / Computer Equipment / Network Router

Polycom Version 1.4.x 17 manual Acoustic Echo Cancellation AEC

Models: Version 1.4.x 17

1 147

Download 147 pages 13.75 Kb

Page 90

Administrator Guide - SoundPoint® IP / SoundStation® IP

Optimization

4.6.1.6.4 Acoustic Echo Cancellation <AEC/>

These settings control the performance of the speakerphone acoustic echo canceller.

Do not alter these values.

Attribute	Default

voice.aec.hs.enable	0

voice.aec.hs.lowFreqCutOff	125

voice.aec.hs.highFreqCutOff	3800

voice.aec.hs.erlTab_0_300	-24

voice.aec.hs.erlTab_300_600	-24

voice.aec.hs.erlTab_600_1500	-24

voice.aec.hs.erlTab_1500_3500	-24

voice.aec.hs.erlTab_3500_7000	-24

voice.aec.hd.enable	0

voice.aec.hd.lowFreqCutOff	125

voice.aec.hd.highFreqCutOff	3800

voice.aec.hd.erlTab_0_300	-24

voice.aec.hd.erlTab_300_600	-24

voice.aec.hd.erlTab_600_1500	-24

voice.aec.hd.erlTab_1500_3500	-24

voice.aec.hd.erlTab_3500_7000	-24

voice.aec.hf.enable	1

voice.aec.hf.lowFreqCutOff	125

voice.aec.hf.highFreqCutOff	3800

voice.aec.hf.erlTab_0_300	-6

voice.aec.hf.erlTab_300_600	0

voice.aec.hf.erlTab_600_1500	0

voice.aec.hf.erlTab_1500_3500	-6

voice.aec.hf.erlTab_3500_7000	-6

82	Copyright © 2004 Polycom, Inc.

Image 90

Polycom Version 1.4.x 17 manual Acoustic Echo Cancellation AEC

Contents

Administrator Guide SoundPoint/SoundStation IP SIP Polycom, Inc Table of Contents Presence and Instant Messaging Features Optimization Session Initiation Protocol SIP 131 Protocol Extensions 138 Administrator Guide SoundPoint IP / SoundStation IP Overview Administrator Guide SoundPoint IP / SoundStation IP Overview Installation and Operation Installation ModelsInstallation Process Basic Network SetupPhones boot up in two phases Dhcp or Manual TCP/IP Setup Main Menu Local User Interface Setup MenusAccess to Network Configuration Menu Name Possible Values a DescriptionDhcp Menu Name Possible Description ValuesServer Menu Name Possible Values DescriptionApplication Configuration Reset to Factory DefaultsAdvantages of using a boot server Centralized Configuration Configuration FilesFTP vs. Tftp Master configuration files contain four XML attributes Default Master Configuration FileApplication Configuration Files Category Description ExampleDeploying a Boot Server for the Phones Step Instructions Account-by-account basisLocal Phone Configuration Passwords Call Log Basic FeaturesCall Timer Phone maintains a call log. The logCalling Party Identification Call WaitingCalled Party Identification Missed Call NotificationConfigurable Feature Keys SoundPoint IP 300 SIP Key Layout SoundStation IP 4000 SIP Key Layout Key ID IP 600 FunctionContext Sensitive Volume Control Connected Party IdentificationCustomizable Audio Sound Effects Message Waiting Indication Distinctive Incoming Call TreatmentDistinctive Call Waiting Administration Distinctive Incoming Call TreatmentDistinctive Ringing For more information, see 3.1.16 Local Contact Directory onDo-Not-Disturb Handset, Headset, and SpeakerphoneLocal Contact Directory Local Contact Directory File Format Local Contact Directory File exampleElement Permitted Values Interpretation Local Digit Map Microphone MuteMultiple Call Appearances Shared Call Appearances Bridged Line Appearances Customizable Fonts and Indicators Boot ServerSoft Key-Driven User Interface Speed DialTime and Date Display Idle Display Animation Call Management Features Automatic Off-hook Call PlacementCall Hold Call Transfer Three-Way Conference, Local or CentralizedCall Diversion Call Forward Directed Call Pick-up Group Call Pick-up Call Park / RetrieveJitter Buffer and Packet Error Concealment Audio Processing FeaturesLow-Delay Audio Packet Transmission Last Call ReturnLocal Conference Mixing Voice Activity Detection VADDtmf Tone Generation Dtmf Event RTP PayloadAcoustic Echo Cancellation AEC Audio CodecsFollowing table summarizes the phone’s audio codec support Comfort Noise Fill Presence and Instant Messaging FeaturesBackground Noise Suppression BNS Automatic Gain Control AGCLocalization Features Instant MessagingMultilingual User Interface Name Range +FF00 U+FFFFDownloadable Fonts Synthesized Call Progress TonesAdvanced Server Features Voicemail IntegrationMultiple Registrations Password, and an optional array of registration servers ACD login / logout ACD agent available / unavailable Server RedundancyLocal User and Administrator Privilege Levels Accessory Internet FeaturesSecurity Features DNS SIP Server Name ResolutionIncoming Signaling Validation Source IP address validation Digest authentication BothAdministrator Guide SoundPoint IP / SoundStation IP SoundPoint IP Switch Port Priorities Ethernet SwitchApplication Network Setup RTP PortsWorking with Network Address Translation NAT Updating and Rebooting For TFTP, refer to 2.2.2.1.1 FTP vs. Tftp onPeriodic Polling For Upgrades Manual Reboot Menu Option or Key PressesCentralized Reboot Event LoggingAudio Quality Issues and VLANs Log files uploaded in this manner are namedIP TOS Ieee 802.1p/QRtcp Support Page Configuration Files Core Configuration ipmid.cfgLocalization localization Multilingual multilingual Attribute Permitted Interpretation ValuesAdding New Languages Date and Time datetime Call Progress Tones callProgTonesAttribute Permitted Default Interpretation Values User Preferences userpreferencesPermitted Attribute Values Interpretation Tones tones Dual Tone Multi-Frequency DtmfAll three blocks use the same chord set specification format Chord Sets chordsetsFollowing sampled audio Wave file .wav formats are supported Attribute Permitted Values InterpretationSound Effects soundeffects Patterns patterns Instruction Meaning ExampleCall Progress Patterns Call progress Use within phone Pattern numberRinger pattern Default description Number Ringer PatternsRing type ringType Miscellaneous PatternsMiscellaneous Use within phone Pattern number Voice Settings voice Voice Coding Algorithms codecsFollowing voice codecs are supported Codec Preferences preferences Attribute Codec Profiles profilesVolume Persistence volume Attribute Values Default InterpretationAttribute Default Gains gainsAcoustic Echo Cancellation AEC Acoustic Echo Suppression AES Background Noise Suppression NSAutomatic Gain Control AGC Receive Equalization Rxeq Transmit Equalization TxeqQuality of Service QOS Voice Activity Detection VADEthernet Ieee 802.1p/Q Ethernet IP TOS IP Other OtherNetwork Monitoring netMon Attribute Permitted Values DefaultBasic TCP/IP Tcpip Time Synchronization SntpStop DST on the last Sunday in October at 2 am RTP RTP Attribute Permitted Default Interpretation Values Port portConfiguration cfg Web Server HttpdCall Handling Configuration call Directory directory Hold, Local Reminder localReminderFonts font Attribute Permitted Values Default Interpretation SoundPoint IPExample of use Keys keys 1.12.1 IP500 font IP5001.12.2 IP600 font IP600 Following table lists the functions that are available FunctionColdBoot Conference LocalDirectory Macro Messages Platform IP300/, IP500/, IP600/ and IP4000 Indicators indicatorsBitmaps bitmaps Bitmaps used by the phone are defined in this sectionAnimations Animations/ IP300/, IP500/, IP600/ and IP4000 Following table, x is the LED number Classes ClassesAssignments Assignments LEDs ledEvent Logging logging Level InterpretationBasic Logging level/change/ and render Three formats are available for the event timestampType Example Scheduled Logging Parameters scheduled Password Lengths pwd/length These settings affect security aspects of the phoneSecurity security Provisioning provisioning RAM Disk RAMdiskDelay delay Request requestFeature feature Resource resource Finder finderQuotas quotas Main Browser main Default InterpretationMicroBrowser microbrowser Browser Limits limits112 Copyright 2004 Polycom, Inc Local local SIP Configuration sip.cfgProtocol volpProt Attribute PermittedServer server SIP SIP Invite Update Request Validation requestValidation AttributeConference Setup conference Attribute Default Interpretation UesDial Plan dialplan Routing routingSIP Logging logging/ level/ change Emergency emergencyPer-phone Configuration phone1.cfg Registration reg122 Copyright 2004 Polycom, Inc Calls call Automatic Off-hook Call Placement autoOffHookMissed Call Configuration serverMissedCall Do Not Disturb donotdisturbDiversion divert Figured as sharedBusy busy Calls can be automatically diverted when the phone is busyForward All fwd No Answer noanswerPhone can automatically divert calls when DND is enabled Dial Plan dialplanDo Not Disturb dnd Digit Map digitmap Routing routingMessaging msg URLMessage Waiting Indicator mwi Network Address Translation nat130 Copyright 2004 Polycom, Inc Request Support Basic ProtocolsRFC and Internet Draft Support TitleHeader Support Header SupportedCopyright 2004 Polycom, Inc 133 4.2 2xx Responses Success Response Support4.1 1xx Responses Provisional Response Supported4.3 3xx Responses Redirection 4.4 4xx Responses Request Failure4.5 5xx Responses Server Failure 4.6 6xx Responses Global FailureTransfer Hold ImplementationReliability of Provisional Responses Third Party Call ControlProtocol Extensions Phone supports the following SIP protocol extensionsShared Call Appearance Signaling Bridged Line Appearance SignalingOr their successors