Sip Session Timers Support In Asterisk

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SIP Session-Timers Support in Asterisk

    https://issues.asterisk.org/jira/secure/attachment/28201/AsteriskSipSessionTimers.pdf
    The SIP Session-Timers is an extension of the SIP protocol that allows end-points and proxies to refresh a session periodically. The sessions are kept alive by sending a RE-INVITE or UPDATE request at a negotiated interval. If a session refresh fails then all the entities that support Session-Timers clear their internal session state.https://issues.asterisk.org/jira/secure/attachment/28201/AsteriskSipSessionTimers.pdf

Asterisk Session Timers! - FreePBX Community Forums

    https://community.freepbx.org/t/asterisk-session-timers/41371
    2018-8-6 · After loads of digging around the Trunk Settings, calling up the SIP provider (GammaTelecoms) blaming them… I found a setting from running the command from the Asterisk Debug “asterisk -rvvv” sip show settings > Global Signaling Settings: Session Timers: Accept Session Expires: 1800 (30mins) Hey presto!!!https://community.freepbx.org/t/asterisk-session-timers/41371

SIP: session timer behavior in Asterisk Diff Viewer ...

    https://reviewboard.asterisk.org/r/879/diff/
    Change the behavior of 'session-timer=accept' in sip.conf (which is the default behavior of Asterisk with no session timer configuration specified) to only run session-timers as result of an incoming INVITE request if the INVITE contains an "Session-Expires" header...https://reviewboard.asterisk.org/r/879/diff

SIP session timers: Add Require: timer to ... - Asterisk

    https://reviewboard.asterisk.org/r/2172/
    SIP session timers: Add Require: timer to appropriate responses. ... Now we always add this header if Asterisk using session-timers=originate. This is based on a table in section 9 of RFC 4028. It indicates that if the UAC does not support Session-Timers but the UAS does, then the UAS should send a Session-Expires header with a refresher ...https://reviewboard.asterisk.org/r/2172

SIP Session Timers support (RFC 4028 - Session Timers in ...

    https://www.pjsip.org/pjsip/docs/html/group__PJSIP__TIMER.htm
    Update outgoing request to insert Session Timers headers and also signal Session Timers capability in Supported and/or Require headers. This function will be called internally by the invite session if it detects that the session needs Session Timers support. Parametershttps://www.pjsip.org/pjsip/docs/html/group__PJSIP__TIMER.htm

SIP—Session Timer Support

    https://www.cisco.com/c/en/us/td/docs/ios/ios_xe/voice_cube_-_ent/configuration/guide/vb_1369_xe.pdf
    † Cisco SIP gateways cannot initiate the use of SIP session timers, but do fully support session timers if another UA requests it. † The Min-SE value can be set only by using the min-se command in the configuration gateway. It cannot be set using the CISCO-SIP-UA-MIB. Configuring SIP— Session Timer Supporthttps://www.cisco.com/c/en/us/td/docs/ios/ios_xe/voice_cube_-_ent/configuration/guide/...

SIP Session Timer support on CUBE - Cisco Community

    https://community.cisco.com/t5/collaboration-voice-and-video/sip-session-timer-support-on-cube/ta-p/3141900
    About SIP Session Timer support on CUBE . The SIP Session Timer Support feature adds the capability to periodically refresh Session Initiation Protocol (SIP) sessions by sending repeated INVITE requests. The repeated INVITE requests, or re-INVITEs, are sent during an active call leg to allow user agents (UAs) or proxies to determine the status ...https://community.cisco.com/t5/collaboration-voice-and-video/sip-session-timer-support...

Asterisk Chan_sip模块的SST支持_至虛極,守靜篤 …

    https://blog.csdn.net/yetyongjin/article/details/7622190
    2012-6-1 · SST(SIP Session-Timers,RFC4028)是SIP协议的一个扩展机制,它允许终端和代理周期性地刷新SIP会话。按协商好的时间间隔,周期性地发送re-INVITE或UPDATE请求,以此来保证会话的kept alive。如果会话刷新失败,所有支持SST的实体,必须清除其https://blog.csdn.net/yetyongjin/article/details/7622190

SIP Session-Expires: Set timer to correctly ... - Asterisk

    https://reviewboard.asterisk.org/r/2488/diff/?expand=1
    The session-timers parameter in sip.conf defines the mode of operation of SIP session-timers feature in: 188: The session-timers parameter in sip.conf defines the mode of operation of SIP session-timers feature in: 189: Asterisk. The Asterisk can be configured in one of the following three modes: 189: Asterisk.https://reviewboard.asterisk.org/r/2488/diff/?expand=1

What should be settings in sip.conf files? - Asterisk Forums

    http://forums.asterisk.org/viewtopic.php?t=86066
    ; signaling procedures. Session-Timers can be configured globally or at a user/peer level.; The operation of Session-Timers is driven by the following configuration parameters:;; * session-timers - Session-Timers feature operates in the following three modes:; originate : Request and run session-timers alwaysforums.asterisk.org/viewtopic.php?t=86066



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