TANDBERG D12155-10 - Manual (Page 24)

24
TANDBERG Videoconferencing System Getting started
Selecting / setting default quality (bandwidth)
T
YPE 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)
768 768 kbps (IP only)
512 512 kbps (IP only)
384 384 kbps (6B)
320 320 kbps (5B)
256 256 kbps (4B)
192 192 kbps (3B)
128 128 kbps (2B)(Bonding/H.221)
64 64 kbps (1B)(H.221)
Teleph Telephone Call
S
OME SYSTEMS AND SOFTWARE VERSIONS AND
NETWORKS DO NOT SUPPORT ALL BANDWIDTH
SELECTIONS .
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:
NOTE
TIP
• 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.
R ESTRICTED CALL A RESTRICTED CALL IS A CALL TO A 56 KBPS NETWORK . B Y DEFAULT THE SYSTEM WILL DIAL AN UNRESTRICTED CALL ( A CALL TO A
64
KBPS NETWORK
)
AND DOWNSPEED TO
56
KBPS IF NECESSARY
. T
O FORCE A RESTRICTED CALL
,
SELECT
‘S
ET
R
ESTRICT
(56
K
)’
TIP D IALING TWO NUMBERS
S OMETIMES ( ESPECIALLY WHEN CALLING TO AND WITHIN N ORTH A MERICA ) IT IS NECESSARY TO DIAL BOTH ISDN NUMBERS WHEN MAKING A VIDEO
CALL USING 2 X 64 KBPS OR 2 X 56 KBPS . S ELECT ‘128’ IN THE Q UALITY MENU . W HEN YOU RETURN TO THE D IAL M ENU , BOTH ‘N UMBER :’ AND
‘2 ND :’ ARE DISPLAYED . E NTER THE SECOND NUMBER .