Siemens HiPath 4000 User Manual
Page 68

Alphabetical Reference
Description of functions
68
Jitter Buffer
•
Select the duration of the intermediate storage here (number of data
packets) that changes the effect of the
•
The more stable the network connection, the shorter the selected buff-
er time (less voice delay).
•
Depending on the frequency at which the data packets are sent by the
terminal devices (e.g., 20 ms or 120 ms), this setting has a markedly
different effect.
•
Standard value
Key Test
•
Test to check the functions of the telephone keys.
•
If you press a function key, the associated LED glows.
•
In display telephones, the corresponding name is displayed in the
Æ LCD display when you press a key (exception:
:
terminates the
test).
L2 Default
•
This parameter describes the QoS values of each package which is nei-
ther a voice nor a signalling package.
•
Standard value
L2/L3 Voice/Signalling
•
Æ Layer 3 support is activated (Æ QoS L2/
L3). The value describes in each case the place in the value of
Æ Layer 2.
•
Valid values: 0 ... 63.
•
Standard values
Short 2
packets
Medium 4
packets
Long 6
packets