ASCOM i62 Troubleshooting Manual page 62

Troubleshooting Guide
Ascom i62 VoWiFi Handset
14 The packet containing the response to the Ping.
15 Confirmation that the handset remains in PS mode
16 Confirmation that the packet is an uplink packet
17 Verification that the packet is queued in the correct category, UP 0 - Best Effort.
The fifth and final packet illustrated in
there are no buffered packets of any access category currently in the AP. The following
information is shown in
Figure 23. QoS Null Data Frame
18 The QoS Null data frame
19 Confirmation that the packet is a download packet
20 Informs the handset that no more packets are buffered. This packet marks the end of
the unscheduled service period.
When the handset receives a packet that marks the end of the unscheduled service period, it
shuts down the radio receiver and enters idle mode until the next uplink voice packet is
transmitted 20 ms later.
28 June 2012 / Ver. A
7. VoWiFi Handset
figure 23
figure 23:
is a QoS Null data frame that indicates that
19
20
TD 92685EN
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