Grandstream Handytone 486 User Manual (PDF) - VoIPon Solutions

HandyTone-486 User ManualGrandstream Networks, Inc.Session ExpirationGrandstream implemented SIP Session Timer. The session timer extensionenables SIP sessions to be periodically “refreshed” via a re-INVITE request.Once the session interval expires, if there is no refresh via a re-INVITEmessage, the session will be terminated.Session Expiration is the time (in seconds) at which the session is consideredtimed out, if no successful session refresh transaction occurs beforehand. Thedefault value is 180 seconds.Min-SECaller RequestTimerCallee RequestTimerForce TimerUAC SpecifyRefresherUAS SpecifyRefresherForce INVITEFirmware Upgradeand ProvisioningFirmware ServerPathConfig Server PathFirmware FilePrefixFirmware FilePostfixConfig File PrefixConfig File PostfixThe minimum session expiration (in seconds). The default value is 90 seconds.If selecting “Yes” the phone will use session timer when it makes outboundcalls if remote party supports session timer.If selecting “Yes” the phone will use session timer when it receives inboundcalls with session timer request.If selecting “Yes” the phone will use session timer even if the remote partydoes not support this feature. Selecting “No” will allow the phone to enablesession timer only when the remote party support this feature.To turn off Session Timer, select “No” for Caller Request Timer, CalleeRequest Timer, and Force Timer.As a Caller, select UAC to use the phone as the refresher, or UAS to use theCallee or proxy server as the refresher.As a Callee, select UAC to use caller or proxy server as the refresher, or UASto use the phone as the refresher.Session Timer can be refreshed using INVITE method or UPDATE method.Select “Yes” to use INVITE method to refresh the session timer.Default method is HTTP. Firmware upgrade may take up to 10 minutesdepending on network environment. Do not interrupt the firmware upgradingprocess.IP address or domain name of firmware server.IP address or domain name of configuration server.Default is blank. If configured, HT486 rev. 2.0 will request the firmware filewith the prefix. This setting is useful for ITSPs. End user should keep it blank.Default is blank. End user should keep it blank.Default is blank. End user should keep it blank.Default is blank. End user should keep it blank.34VoIPon www.voipon.co.uk sales@voipon.co.uk Tel: +44 (0)1245 808195 Fax: +44 (0)1245 600030