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HandyTone-486 User Manual Grandstream Networks, Inc.
34
Session Expiration
Grandstream implemented SIP Session Timer. The session timer extension
enables SIP sessions to be periodically “refreshed” via a re-INVITE request.
Once the session interval expires, if there is no refresh via a re-INVITE
message, the session will be terminated.
Session Expiration is the time (in seconds) at which the session is considered
timed out, if no successful session refresh transaction occurs beforehand. The
default value is 180 seconds.
Min-SE
The minimum session expiration (in seconds). The default value is 90 seconds.
Caller Request
Timer
If selecting “Yes” the phone will use session timer when it makes outbound
calls if remote party supports session timer.
Callee Request
Timer
If selecting “Yes” the phone will use session timer when it receives inbound
calls with session timer request.
Force Timer
If selecting “Yes” the phone will use session timer even if the remote party
does not support this feature. Selecting “No” will allow the phone to enable
session timer only when the remote party support this feature.
To turn off Session Timer, select “No” for Caller Request Timer, Callee
Request Timer, and Force Timer.
UAC Specify
Refresher
As a Caller, select UAC to use the phone as the refresher, or UAS to use the
Callee or proxy server as the refresher.
UAS Specify
Refresher
As a Callee, select UAC to use caller or proxy server as the refresher, or UAS
to use the phone as the refresher.
Force INVITE
Session Timer can be refreshed using INVITE method or UPDATE method.
Select “Yes” to use INVITE method to refresh the session timer.
Firmware Upgrade
and Provisioning
Default method is HTTP. Firmware upgrade may take up to 10 minutes
depending on network environment. Do not interrupt the firmware upgrading
process.
Firmware Server
Path
IP address or domain name of firmware server.
Config Server Path
IP address or domain name of configuration server.
Firmware File
Prefix
Default is blank. If configured, HT486 rev. 2.0 will request the firmware file
with the prefix. This setting is useful for ITSPs. End user should keep it blank.
Firmware File
Postfix
Default is blank. End user should keep it blank.
Config File Prefix
Default is blank. End user should keep it blank.
Config File Postfix
Default is blank. End user should keep it blank.
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