TANDBERG D12155-10 user manual Call quality

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TANDBERG Videoconferencing System

Advanced use

Call quality

The Call Quality menu allows you to select the preferred quality of your call.

NOTE

DUE TO ACTIONS OR LIMITATIONS AT THE FAR END YOU MAY NOT ALWAYS BE ABLE TO ACHIEVE THE SELECTIONS YOU WANT.

Audio

Auto	Optimized audio quality depending on bandwidth.
High	High audio quality (G722) regardless of bandwidth.
Normal	Telephone quality (G728) regardless of bandwidth.

TIP

AUTO

1-4CHANNELS: G722.1 IS SELECTED.

5 OR MORE CHANNELS: G722 IS SELECTED.

Video*

Auto	Will select ‘Motion’ or ‘Sharpness’ depending on selected video source**.
Motion	Optimized for smooth motion video for all video inputs.
Sharpness	Optimized for sharp video for all video inputs.

Natural Video

Choose at what level Interlaced video capabilities (iCIF) will be transmitted and enabled. When set to

‘Auto’	Natural Video will be transmitted from 768Kbps.
‘Off’	Interlaced capabilities will not be transmitted. This is useful if far end cannot handle these

H.264***

Auto	Optimized video quality depending on what is available.
Off	H.264 video compression and decompression will not be used.
	capabilities.

VGA Resolutions

Auto	VGA capabilities (VGA/SVGA/XGA***) and SIF capabilities will be transmitted and enabled.
Off	VGA capabilities will not be transmitted. Useful if far end can not handle these capabilities.

TIP

SIF CAPABILITIES WILL ENABLE BETTER VIDEO QUALITY FOR NTSC SYSTEMS (SIF: 352X240, ISIF: 352X480, 4SIF: 704X480).

*- If option ‘Presenter’ is not installed or if H263 is not used, only CIF resolution will be used for all selections.

** - MainCam/Aux/VCR will select ‘Motion’. DocCam/PC will select ‘Sharpness’.

***- E2 only

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Contents UserManual Tandberg Videoconferencing System Trademarks and copyright Environmental IssuesOperator Safety Summary Contents Appendices 104 Index 114 Advanced usePeripheral Equipment TIP IntroductionLAN Menu structureAt a glance the Tandberg 2500 system Tandberg 2500 Videoconferencing SystemCodec V.E. II CameraMonitors Cabinet Remote controlTable microphone Unpacking InstallationPrecautions Page Microphone cable Connecting cablesPower cable Monitor cablesLAN cable Monitor configuration5a. Isdn cables using BRI interface 5b. Other networks using the External Network interfaceMenu System configurationIsdn configuration LAN configuration Welcome menu Getting startedSystem start-up Basics Making a call Making and ending callsTIP Selecting / setting default quality bandwidth Selecting / setting default network Correcting keying mistakes Answer a callEnd a call Press D Irectory to bring up the following menu DirectoryDelete Entry Add New EntryEdit Entry Add Site Add MultiSite EntryMicrophone on/off Adjusting volumeGeneral use View outgoing video selfviewOn Screen Symbols Do Not Disturb / Sleep ModeMoving / zooming camera Focusing cameraControlling the Main Camera Selecting video sourcesVoice Activated Camera Positioning Storing presets PresetsSelecting presets Far end camera control Fecc Receiving a snapshot Sending and receiving snapshotsSending a snapshot Viewing a snapshotAdd Duo Video Duo VideoEnd a Duo Video call MultiSite MCU MultiSite cascading Establishing MultiSite meetings using DirectoryAdding an extra site dial out Adding an extra site dial Disconnecting sites from a conferencePC SoftPresenter PC PresenterText Chat / Closed Captioning Web-interfaceSnapshots Other PC applicationsStreaming Main menu Menu PasswordAdvanced use Call quality Qcif Advanced call qualityDuo Video Quality Presentation ModeDuo Video Mode PresentationsSnapshot Filter Duo Video NumberDuo Video / Snapshot Source Auto-Display SnapshotDual Monitor UtilitiesAutoanswer Far end camera controlMCU status line Auto-PIPWelcome Menu Continuous PresenceWeb Snapshots MCU services Quick Menu View site # Request floorRelease floor Terminal NamesChair control Audio Inputs Audio SettingsPage Audio Outputs Level Settings Out1 +13.5dB Out2AUX Out3VCR Previous MenuEcho Control Page Automatic Gain Control AGC Settings Restore Audio Defaults Alert Tones & VolumeDocument Camera Video SettingsCamera Tracking Mode Video Name FocusBrightness WhitebalanceVGA Settings VNC Settings Network Configuration Terminal SettingsISDN-BRI Settings Spids This Service has Limited Access on Some Isdn Networks Parallel dial External network settings 35/RS-366 cable LAN Settings Page Settings Page Rsvp Advanced H.323 SettingsDiffserv QoS TypeIP Precedence IP Settings Snmp Settings Incoming telephone calls Call SettingsAccess Code Incoming MCU callsEncryption Secure Conference Encryption ModeNetwork Profiles Max Call LengthDataport configuration Page Software Options LanguageChannel status DiagnosticsSystem info TIP Call status Restore defaultsIP Address Conflict Check View current settingsTest subsystem Interfaces Peripheral EquipmentE2 only XGA monitor Dual MonitorDocument camera Multiple controllable cameras Tracker AudioScience microphoneVCR Recording Video Cassette Recorder VCRVCR Playback Extra fixed cameras Telephone Add-OnPC applications Additional microphones Tandberg AppendicesUsing Telesync TS-256 SW56/ISDN adapter Appendix 2 Connecting the system to the Switched 56 networkBackground Loudspeaker volumeAppendix 3 Environmental considerations Iris control and lightingHow to prepare a typical room for videoconferencing Guidelines for setting up videoconferencing roomsAppendix 4 Using the file system Custom logos · Go to the folder where your logo is located ABC Appendix 6 Security111 112 Appendix 6 Declaration of Conformity Fecc IndexTandberg Videoconferencing System Index Current settings 93 outgoing video 30 Viewing a still image