Nortel Networks NN42340-100 - Manual (Page 80)

Mobile Voice Client 2050 for expert users
Items on the Advanced Audio screen
Table 7 describes the selections available on the Advanced Audio screen.
Table 7: Advanced Audio screen
Selection Description
NetEQ (Global IP Sound) NetEQ packet loss concealment
software is the default mode of
operation.
Jitter Buffer The rate of arrival of voice frames is
variable. A jitter buffer is used to
minimize this variability by sending voice
frames to your PDA sound system at a
fixed rate. The value of “jitter” is the
number of voice frames the application
has in its jitter buffer.
Highwater Mark Highwater mark indicates the maximum
number of voice frames the application
can have in its jitter buffer, before it starts
discarding packets. Set this value to at
least 2.5 times the value of jitter.
Early Packet and Late
Packet Resync Early Packet Resync and Late Packet
Resync indicate the points at which
MVC 2050 discards and restarts the jitter
buffer contents. Set this value to at least
5 times the highwater mark.