Acoustic Echo Cancellation aec | Polycom SIP 2.2.0 specification

Administrator’s Guide SoundPoint IP / SoundStation IP

Acoustic Echo Cancellation <aec/>

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

Polycom recommends that you do not change these values.

	.
Attribute		Default

voice.aec.hs.enable		0

voice.aec.hs.lowFreqCutOff		100

voice.aec.hs.highFreqCutOff		7000

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		100

voice.aec.hd.highFreqCutOff		7000

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		100

voice.aec.hf.highFreqCutOff		7000

voice.aec.hf.erlTab_0_300		-6

voice.aec.hf.erlTab_300_600		-6

voice.aec.hf.erlTab_600_1500		-6

voice.aec.hf.erlTab_1500_3500		-6

voice.aec.hf.erlTab_3500_7000		-6

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Polycom SIP 2.2.0 manual Acoustic Echo Cancellation aec

Contents

SIP Disclaimer Copyright Notice About This Guide Administrator’s Guide SoundPoint IP / SoundStation IP Contents Administrator’s Guide SoundPoint IP / SoundStation IP Troubleshooting Your SoundPoint IP / SoundStation IP Phones Viii Contents Administrator’s Guide SoundPoint IP / SoundStation IP SoundStation IP Conference Phone SoundPoint IP Desktop PhonesIP 320/330 IP 600/601 SoundPoint IP Desktop Phones Introducing the SoundPoint IP / SoundStation IP Family SoundStation IP Conference Phone SoundPoint IP 600/601 Key Features of Your SoundPoint IP / SoundStation IP Phones Currently supported conference phone is SoundStation IP Administrator’s Guide SoundPoint IP / SoundStation IP Overview Where SoundPoint IP / SoundStation IP Phones Fit SoundPoint IP / SoundStation IP Phones on BootROM Session Initiation Protocol Application Architecture Application Configuration Master Configuration Files Application Configuration Files Application Configuration Files Resource Files Available Features Ring tones Synthesized tones Contact directories Overview Microsoft Live Communications Server Overview IP Type-of-Service-Allows for the setting of TOS settings Setting up Your System Configured in your network Setting Up the Network Dhcp or Manual TCP/IP Setup For more information on Dhcp options, go to Supported Provisioning Protocols FTP Tftp Http Https Main Menu Dhcp Menu Server Menu Ethernet Menu Syslog Menu Modifying the Network ConfigurationCertificate Authority List on page C-1 EM Power Name Possible Values Description Dhcp ClientDhcp Menu Phone IP Address Possible Name Values Description Menu Or later. Passive FTP is still supported MenuName Possible Values Description Password these characters if they are correctly escaped Using the method specified in RFCPassword, this will be ignored This will be ignored Ethernet menu CDP Setting Up the Boot Server TLS=3 Information, contact your Certified Polycom Reseller Create account and home directoryEach phone may open multiple connections to the server These permissions, but will not be able to upload files Deploying Phones From the Boot Server You must decide on a boot server security policy Configuration on page A-4 SIP/ on page A-10 PhoneMACaddress.cfg Upgrading SIP Application Supporting SoundPoint IP and SoundStation IP Phones Supporting SoundPoint IP 300 and 500 Phones To upgrade your SIP application Cfg file can be used for all phones in a deployment This chapter also provides instructions on Setting Up Basic FeaturesConfiguring SoundPoint IP / SoundStation IP Phones Locally Administrator’s Guide SoundPoint IP / SoundStation IP Call Waiting Call TimerCall Log Missed Call Notification Called Party IdentificationCalling Party Identification Context Sensitive Volume Control Central boot serverConnected Party Identification Customizable Audio Sound Effects Messages and voice messages are waiting Message Waiting IndicationDistinctive Incoming Call Treatment Distinctive Ringing Distinctive Call WaitingAddress-directory Xml Local Do Not Disturb Handset, Headset, and Speakerphone Local Contact Directory Boot server Address-directory DirectOry.xml Xml LnSmith/ln FnBill/fn Ct1003/ct Sd3/sd Rt3/rt Ad0/ad DirectoryElement Permitted Values Interpretation UTF-8’s variable length encoding Local Digit Map Auto-reject Microphone Mute Soft Key Activated User InterfaceSpeed Dial Time and Date Display Idle Display Animation Ethernet Switch IP330/, IP400/, IP500/, IP600/, IP4000/ on Automatic Off-Hook Call Placement Call Hold Call Transfer Local / Centralized Conferencing Call Forward Directed Call Pick-Up Setting Up Advanced Features Group Call Pick-UpCall Park/Retrieve Last Call Return Configurable Feature Keys Feature Key Layouts on page C-10 Multiple Line Keys per Registration Multiple Call Appearances Shared Call Appearances Bridged Line Appearance Refer to Bridged Line Appearance Signaling on page B-10 Busy Lamp Field Customizable Fonts and Indicators Central bootInstant Messaging Attendant.uri SoundStation IP 4000’s higher resolution display Multilingual User Interface Microbrowser Downloadable FontsSynthesized Call Progress Tones Real-Time Transport Protocol Ports Network Address Translation Voice Mail Integration Multiple Registrations Server server/ on page A-7 Depends on support from a SIP server Feature depends on support from a SIP serverAutomatic Call Distribution Server Redundancy For Outgoing Calls Invite Fallback Phone Configuration Reg.1.server.1.address=voipserver.serviceprovider.com Presence Phone Operation for Registration Microsoft Live Communications Server 2005 Integration Masking, the automatic behavior Configuration File Example Refer to Roaming Buddies roamingbuddies/ on page A-99 Refer to Roaming Privacy roamingprivacy/ on page A-99 Locate the roamingprivacy attribute Set reg.x.auth.password to the LCS passwordSet the reg.x.server.y.address to the LCS server name Jitter Buffer and Packet Error Concealment Setting Up Audio FeaturesLow-Delay Audio Packet Transmission Negative audio consequences Voice Activity DetectionDtmf Tone Generation Acoustic Echo Cancellation Dtmf Event RTP Payload Effective Audio CodecsFollowing table summarizes the phone’s audio codec support IP Type-of-Service Background Noise SuppressionComfort Noise Fill Automatic Gain Control Setting Up Security Features Ieee 802.1p/Q Custom Certificates Local User and Administrator Privilege LevelsConfiguration changes can performed locally Device.cfg Incoming Signaling ValidationConfiguration File Encryption Configuring SoundPoint IP / SoundStation IP Phones Locally Passwords Troubleshooting Your SoundPoint IP / SoundStation IP Phones Error Messages BootROM Error Messages Application Error Messages Status Menu Log Files Application Logging Options Scheduled Logging Reading a Boot Log Following figure shows a portion of a boot log file Reading an Application Log Following figure shows a portion of an application log file Power and Startup Symptom Problem Corrective Action Controls Access to Screens and Systems Calling Displays Phone on page C-9 Audio Upgrading Configuration Files Master Configuration Files One will cause a reboot loop Application Configuration CONFIGFILES=phone1MACADDRESS.cfg, sip.cfg MISCFILES= Configuration Files This configuration attribute is defined as follows Protocol volpProtMicrobrowser mb USB Port usb This attribute includes If voIpProt.server.x.address is a VoIpProt.server.x.transport is set toIf voIpProt.server.x.transport is set to If voIpProt.server.x.address is an IP VoIpProt.server.x.address is an IP VoIpProt.SIP.lcs Parameter if set to 1 when the parameter To 1 default is Permitted Attribute Values Default Interpretation This attribute also includes Reg.x.auth.optimizedInFailover takes Outbound Proxy outboundProxy Due to the additional signaling required Alert Information alertInfoRequest Validation requestValidation May have a negative performance impact Special Events specialEvent Conference Setup conferenceAttribute Permitted Default Interpretation Values Considered a dial from directory Dial Plan dialplanDialplan.applyToCallListDial This attributes also includes Digit Map digitmap Routing routing Attribute Permitted Values Default Interpretation Server server Emergency emergency Localization lcl Server serverEmergency emergency Multilingual ml Date and Time datetime Attribute Permitted Values Interpretation Lcl.ml.lang.menu.1Lcl.ml.lang.menu.2 Lcl.ml.lang.menu.3 Lcl.datetime.date.longFormat Lcl.datetime.date.dateTop +FF00 U+FFFF User Preferences up Permitted Attribute Values Interpretation Tones tones Dual Tone Multi-Frequency Dtmf Chord-Sets chordOnIntensity, it will be replaced with OnIntensity value Only be enabled when tone.dtmf.viaRtp is Disabled Be enabled when tone.dtmf.viaRtp is Sampled Audio for Sound Effects saf Ringer, or misc Sound Effects se Following table, x is the sampled audio file numberWave file format Tftp//host/pathnamefilename, for example Patterns pat Ring type rt Instruction Meaning Example Call progress Use within phone Pattern number Miscellaneous PatternsCall Progress Patterns Call progress Pattern number Use within phone Ringer pattern number Default descriptionRinger Patterns Miscellaneous Patterns Miscellaneous Pattern number Use within phone Sequential Patterns on page A-31 Voice Settings voice Following voice codecs are supported Codec Preferences codecPref These codecs includeCodec Preferences codecPref Codec Profiles audioProfile Codec Profiles audioProfile Attribute Default Attribute Default Attribute Default Acoustic Echo Cancellation aec Acoustic Echo Suppression aes Background Noise Suppression ns Feature Attribute Default Transmit Equalization txEq Attribute Default Quality of Service QOS Following settings control the 802.1p/Q userpriority fieldIf voice.vadEnable is set to 0, add attribute line Ethernet Ieee 802.1p/Q ethernet IP TOS IP These parameters apply to RTP packets Call Control callControlOther other RTP rtp Call Control callControl RTP rtp Basic TCP/IP Tcpip Qos.ip.callControl… Attribute Permitted Default Values Permitted Attribute Values Default Interpretation If fixedDayEnable is set to Start.dayOfWeekStart.date is ignored Stop.dayOfWeek Must be enabled for this to work Web Server httpdRTP rtp TcpIpApp.port.rtp.filterByIp Call Handling Configuration call Configuration cfg Take precedence over this feature if enabled. For More information, refer to No AnswerReg.x.callsPerLineKey. Refer to Registration Case the phone may select a different available Shared Calls shared Hold, Local Reminder hold/localReminder If call.stickyAutoLineSeize is set to 1, this Directory dir IP 4000 phone. For other phones a quick pressRelease of the line key will resume a call Whereas pressing and holding down the line Platform, this value is internally Replaced by 2X the value Presence pres Fonts font SoundPoint IP 320, 330, 430, 500 SoundPoint IP 550, 600, 601, IP330 font IP330 This configuration attribute is defined as follows Keys key Following table lists the functions that are available Functions Bitmaps bitmap Indicators indFollowing indicators are used by the phone Platform IP300/, IP 330/, IP400 Attribute Permitted Interpretation Values LEDs led Following table, x is the LED number Event Logging log Level Interpretation Type Example Three formats are available for the event timestampTwo types of logging are supported Log.render.level maps to You do not change this value Support append mode unless Server is set up for thisUploaded if no new events have Been logged since the last upload Encryption encryption Password Lengths pwd/length Security sec License license Provisioning prov You do not change thesePlatform InFreeSpace is internally Delay delay RAM Disk ramdiskRequest request Value Feature feature Resource res Finder finder Quotas quotas Microbrowser mb Internally replaced by 2X the value Will be respected, even if this parameter is set to Refresh parameter will be respected onlyEvent that a refresh fails. Once a refresh is Successful, the value in the Http refresh Function is selected Detrimental effect on performance of the phone Per-Phone Configuration These settings control the bulk drive or memory stickUSB Port usb Bulk Drive bulkDrive Registration reg Is non-Null, all of the reg.x.server.y.xxx Parameters will override the parametersSpecified in sip.cfg in Server server/ on A-7 Refer to Call Handling Configuration call IP 300 and 500 phones If reg.x.serverFeatureControl.cf is not Calls call Do Not Disturb donotdisturb If call.missedCallTracking.x.enabled is Diversion divert Forwarding is enabled, thisParameter is enabled Calls can be automatically diverted when the phone is busy Divert.x.contact will be Dialplan.x.digitmap is not Enabled, this parameter isServer-base call forwarding is Dialplan.x.applyToUserDial When present, and if Digit Map digitmap/ on Message Waiting Indicator mwi Messaging msg Network Address Translation nat VoIpProt.local.signalPort in sip.cfg Attendant attendant Roaming Buddies roamingbuddies Roaming Privacy roamingprivacyValue 0 if the call server is Microsoft Live Communications Server Flash Parameter Configuration For example, if device.net.ipAddress.set = EnabledThis flash attributes are defined as follows Server address is preserved Refer to Basic Logging level/change/ Session Initiation Protocol SIP RFC and Internet Draft Support Method Supported Request SupportFollowing SIP request messages are supported Header Supported Header SupportFollowing SIP request headers are supported Header Supported Response Supported Response SupportFollowing SIP responses are supported 3xx Responses Redirection 5xx Responses Server Failure Hold Implementation Reliability of Provisional ResponsesTransfer Third Party Call Control Shared Call Appearance Signaling Bridged Line Appearance Signaling Miscellaneous Administrative Tasks Trusted Certificate Authority List Administrator’s Guide SoundPoint IP / SoundStation IP Encrypting Configuration Files Boot server management easier It can decrypt the files that were encrypted on the server.Chaining CBC mode. An example key would look like this Changed at regular intervals to enhance security Adding a Background Logo Changing the Key on the Phone Color RGB Values Decimal Hexadecimal Model Width Height Color DepthRGB Values BootROM/SIP Application Dependencies Model BootROM SIP Application Migration Dependencies Multiple Key Combinations Default Feature Key Layouts SoundPoint IP SoundPoint IP Key IP 550 330 601 Function SoundPoint IP 550/600/601/650SoundStation IP IP 550 Key 330 601 Function Assigning a Vlan ID Using Dhcp VLAN-A=10 VLAN-A=0x0a VLAN-A=012 Parsing Vendor ID Information End of sub-options Administrator’s Guide SoundPoint IP / SoundStation IP Third Party Software Administrator’s Guide SoundPoint IP / SoundStation IP Zlib Copyright and Permission Notice Third Party Software Administrator’s Guide SoundPoint IP / SoundStation IP Index Dhcp Secondary server 3-3DHCP Inform IP TOS A-48 Administrator’s Guide SoundPoint IP / SoundStation IP SIP Administrator’s Guide SoundPoint IP / SoundStation IP