TANDBERG 990, 880, 770 user manual Selecting / setting default quality bandwidth

Models: 880 990

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Selecting / setting default quality (bandwidth)

TANDBERG Videoconferencing System

Getting started

 

 

Selecting / setting default quality (bandwidth)

The default call quality setting ‘Auto’ will be used if no specific quality is selected.

To select quality (bandwidth):

Press the ‘Quality’ Quick Key when you are in the dial menu. The Quality menu will then be displayed:

TYPE OF CALLS

Auto

384kbps on ISDN/768kbps on IP

Max

384kbps on ISDN/1536kbps on IP

1472

1472 kbps (IP only)

1152

1152 kbps (IP only)

768768 kbps (IP only)

512512 kbps (IP only)

384384 kbps (6B)

320320 kbps (5B)

256256 kbps (4B)

192192 kbps (3B)

128128 kbps (2B)(Bonding/H.221)

6464 kbps (1B)(H.221)

Teleph Telephone Call

NOTE SOME SYSTEMS AND SOFTWARE VERSIONS AND NETWORKS DO NOT SUPPORT ALL BANDWIDTH SELECTIONS.

Choose the preferred quality by selecting the desired call rate in the ‘Call Rate’ field.

You may also press the ‘Set as Default’ Quick Key in order to make the selected bandwidth the default bandwidth for subsequent calls.

Set ‘Set Restrict (56k)’ to ‘On’ to make a restricted call. An indicator ‘(56k)’ will be shown behind the number.

TIP

RESTRICTED CALL A RESTRICTED CALL IS A CALL TO A 56 KBPS NETWORK. BY DEFAULT THE SYSTEM WILL DIAL AN UNRESTRICTED CALL (A CALL TO A 64 KBPS NETWORK) AND DOWNSPEED TO 56KBPS IF NECESSARY. TO FORCE A RESTRICTED CALL, SELECT ‘SET RESTRICT (56K)’

TIP

DIALING TWO NUMBERS

SOMETIMES (ESPECIALLY WHEN CALLING TO AND WITHIN NORTH AMERICA) IT IS NECESSARY TO DIAL BOTH ISDN NUMBERS WHEN MAKING A VIDEO CALL USING 2X64 KBPS OR 2X56 KBPS. SELECT ‘128’ IN THE QUALITY MENU. WHEN YOU RETURN TO THE DIAL MENU, BOTH ‘NUMBER:’ AND ‘2ND:’ ARE DISPLAYED. ENTER THE SECOND NUMBER.

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TANDBERG 990, 880, 770 user manual Selecting / setting default quality bandwidth