Context; Access Point Problems; Configuration Problems - Avaya Communication Server 1000 Installation And Commissioning Manual

Context

When troubleshooting a problem with a wireless handset, it is important to determine the
context of when and where the problem occurred. Context includes the following:
• Was the wireless handset on an active call?
• Was the wireless handset moving or stationary?
• Was the wireless handset powering on or powering off?
• Was PTT being used?
• At what location did the problem occur?
Record this information and provide it to the system administrator or Avaya Technical Support.

Access Point problems

Most, but not all, wireless handset audio problems are related to AP range, positioning, and
capacity. Performing a Site Survey as described in
causing these types of problems. If the wireless handset itself is suspected, conduct a parallel
site survey with a wireless handset that is known to be functioning properly.
The following are some situations that can cause wireless handset difficulties to occur:
• In range/Out of range—service is disrupted if a user moves outside the area covered by
the WLAN APs. Service is restored if the user moves back within range. If a call drops
because a user moves out of range, the wireless handset recovers the call if the user
moves back into range within a few seconds.
• Capacity—in areas of heavy use, the call capacity of a particular AP can be filled. If this
happens, the user hears three chirps from the wireless handset. The user can wait until
another user terminates a call, or move within range of another AP and try the call again. If
a user is on a call and moves into an area where capacity is full, the system attempts to
find another AP. Due to range limitations, this can be the same as moving out of range.
• Transmission Obstructions—before system and AP installation, the best location for
APs for optimum transmission coverage is determined when a site survey is performed.
However, small pockets of obstruction can still be present, or obstructions can be
introduced into the facility after AP installation. This loss of service can be restored by
moving out of the obstructed area, or by adding more APs.

Configuration problems

Certain problems are associated with improper configuration of either the WLAN IP Telephony
2245, the optional WLAN Application Gateway 2246, or the wireless handset.
Avaya WLAN IP Telephony Installation and Commissioning
Troubleshooting the handset
Site survey on page 49 can isolate the AP
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