Avaya IP Agent, Installation And User Manual

Page: 259 / 286

Voice-over-IP
Issue 1.1 August 2004 259
Receiving and transmitting audio is
delayed using the Road Warrior
configuration.
●
Ensure that your Avaya communication
server is optimized to handle “shuffling”
and “hairpinning” for Voice-over-IP.
Consult your Avaya communication
server documentation for more
information.
●
Lower the Jitter Buffer in the Audio
Options dialog box.
●
If you are using the Windows Quality of
Service (QoS) feature in conjunction
with a firewall, the range of ports for QoS
set up on the Avaya communication
server must overlap the range of firewall
ports specified in Avaya IP Agent by 100
ports. If these ranges do not overlap by
100 ports, QoS is not used by iClarity IP
Audio, and transmissions are done
within the range of firewall ports.
●
Ensure that your personal computer has
enough system resources to handle
VoIP communications in addition to the
applications being used. See
Voice-over-IP considerations on
page 33
●
If you are experiencing problems while
using Internet Explorer, disable the Play
Sounds feature of Internet Explorer.
There is echo and poor voice quality while
using Voice-over-IP (Road Warrior).
●
If you are using speakers and a
microphone instead of a headset,
change to half-duplex in the Audio
Options dialog box. Using separate
speakers and a microphone can cause
feedback.
●
Ensure that your personal computer has
enough system resources to handle
VoIP communications in addition to the
applications being used. See
Voice-over-IP considerations on
page 33
●
If you are experiencing problems while
using Internet Explorer, disable the Play
Sounds feature of Internet Explorer.
Problem What to do