Administrator’s Guide for SIP-T5 Series Smart Media Phones
334
Parameters
Permitted Values
Default
60
Description:
Configures the SIP session timer of T4 (in seconds).
T4 represents the maximum duration a message will remain in the network.
Web User Interface:
Settings->SIP->SIP Session Timer T4 (2.5~60s)
Phone User Interface:
None
To configure session timer via web user interface:
1.
Click on
Settings
->
SIP
.
2.
Enter the desired value in the
SIP Session Timer T1 (0.5~10s)
field.
3.
Enter the desired value in the
SIP Session Timer T2 (2~40s)
field.
4.
Enter the desired value in the
SIP Session Timer T4 (2.5~60s)
field.
5.
Click
Confirm
to accept the change.
Session Timer
Session timer allows a periodic refresh of SIP sessions through an UPDATE request, to determine
whether a SIP session is still active. Session timer is specified in
. IP phones support two
refresher modes: UAC and UAS. Whether the endpoint functions as a UAC or a UAS depends on
the UA that initiates the SIP request. If the initiator is configured as UAC, the other client or the
SIP server will function as a UAS. If the initiator is configured as UAS, the other client or the SIP
Summary of Contents for CP969
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Page 781: ...Troubleshooting 759 The phone begins rebooting Any reboot of the phone may take a few minutes ...
Page 787: ...Troubleshooting 765 information on capturing packets refer to Capturing Packets on page 735 ...
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