CatalystTech

Several scenarios require a phone to operate without first dialing a 9 to get secondary dial tone. The method to accomplish this seems to change from version to version as features migrate.
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Increasing bandwidth is a constant battle faced by every IT department.  What happens when a high capacity server is hitting the limits of a single Gigabit link.  What happens when 10G is not an option, but 1G is not enough.  Simply connecting another cable is not the answer.  The result will be a total loss of the network or a nice workout for your spanning tree configuration.  The answer comes from the 802.3ad specification, or Ling Aggregation, LAG for short.

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QoS is in higher demand as networks grow and complexity of traffic patterns increase.  Large file transfers can clog networks.  High Internet usage can bog down connections with useless traffic from social network sites or sites like YouTube.  Properly configured QoS or Quality of Service, can help to remove the negative effect of traffic patterns.  Extreme Networks is well known for excellent QoS.  Deep queue buffers and robust algorithms can allow for 100 percent utilization of your data switches.  Keep reading for a quick QoS configuration for Avaya (and other vendors) VoIP.

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Avaya IP Office 4.1+ has enabled SIP trunking.  Every SIP provider is a little different.  The Avaya Interoperability Labs has tested several providers and written Application Notes for these providers.  The list is by no means an endorsement, but can be a valuable resource.  The next best resource for setting up SIP trunking is System Monitor with the SIP filters enabled.  These filters give detailed information on the SIP communication and can help determine the source of most any problem.  Links to the known Application notes after the jump.

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