Module: sip-router Branch: master Commit: 9a10ed3334804f520ecdab03f1019a19e13e0494 URL: http://git.sip-router.org/cgi-bin/gitweb.cgi/sip-router/?a=commit;h=9a10ed3… Author: Peter Dunkley &lt;peter.dunkley(a)crocodile-rcs.com&gt; Committer: Peter Dunkley &lt;peter.dunkley(a)crocodile-rcs.com&gt; Date: Tue Jan 8 00:24:47 2013 +0000 modules_k/registrar: documented new "flow_timer" modparam --- modules_k/registrar/README | 66 +++++++++++++++++++------- modules_k/registrar/doc/registrar_admin.xml | 42 +++++++++++++++++ 2 files changed, 90 insertions(+), 18 deletions(-) diff --git a/modules_k/registrar/README b/modules_k/registrar/README index 5df026e..5d57e8e 100644 --- a/modules_k/registrar/README +++ b/modules_k/registrar/README @@ -59,6 +59,7 @@ Bogdan-Andre Iancu 3.22. xavp_rcd (string) 3.23. gruu_enabled (integer) 3.24. outbound_mode (integer) + 3.25. flow_timer (integer) 4. Functions @@ -110,15 +111,16 @@ Bogdan-Andre Iancu 1.21. Set xavp_rcd parameter 1.22. Set gruu_enabled parameter 1.23. Set outbound_mode parameter - 1.24. save usage - 1.25. lookup usage - 1.26. lookup_branches usage - 1.27. registered usage - 1.28. add_sock_hdr usage - 1.29. unregister usage - 1.30. reg_fetch_contacts usage - 1.31. reg_free_contacts usage - 1.32. $ulc(name) usage + 1.24. Set flow_timer parameter + 1.25. save usage + 1.26. lookup usage + 1.27. lookup_branches usage + 1.28. registered usage + 1.29. add_sock_hdr usage + 1.30. unregister usage + 1.31. reg_fetch_contacts usage + 1.32. reg_free_contacts usage + 1.33. $ulc(name) usage Chapter 1. Admin Guide @@ -160,6 +162,7 @@ Chapter 1. Admin Guide 3.22. xavp_rcd (string) 3.23. gruu_enabled (integer) 3.24. outbound_mode (integer) + 3.25. flow_timer (integer) 4. Functions @@ -274,6 +277,7 @@ Chapter 1. Admin Guide 3.22. xavp_rcd (string) 3.23. gruu_enabled (integer) 3.24. outbound_mode (integer) + 3.25. flow_timer (integer) 3.1. default_expires (integer) @@ -655,6 +659,32 @@ modparam("registrar", "gruu_enabled", 0) modparam("registrar", "outbound_mode", 2) ... +3.25. flow_timer (integer) + + If set to 0 then this module will not add a Flow-Timer: header to 200 + OK responses to REGISTER requests. + + If set to > 0 then this module will add a Flow-Timer: header containing + this value to 200 OK responses to REGISTER requests. This parameter may + only be set to a value > 0 when outbound_mode is set to 2. + + When set to a value > 0 this parameter should be set to slightly less + than the connection timeout value between the UAC and the network (this + corresponds to the core tcp_connection_lifetime option and websocket + keepalive_timeout modparam). This parameter is most useful when you + have a single edge proxy/registrar. If you are using a separate SIP + Outbound Edge Proxy you should consider leaving this parameter set to 0 + and adding the Flow-Timer: header on the Edge Proxy (as this allows you + to keep all of the timer values for a specific flow in one + configuration - that of the Edge Proxy). + + Default value is 0. + + Example 1.24. Set flow_timer parameter +... +modparam("registrar", "flow_timer", 25) +... + 4. Functions 4.1. save(domain, [, flags [, uri]]) @@ -703,7 +733,7 @@ modparam("registrar", "outbound_mode", 2) This function can be used from REQUEST_ROUTE and REPLY_ROUTE. - Example 1.24. save usage + Example 1.25. save usage ... save("location"); save("location", "0x01"); @@ -736,7 +766,7 @@ save("location", "0x00", "sip:test@kamailio.org"); This function can be used from REQUEST_ROUTE, FAILURE_ROUTE. - Example 1.25. lookup usage + Example 1.26. lookup usage ... lookup("location"); switch ($retcode) { @@ -762,7 +792,7 @@ switch ($retcode) { This function can be used from REQUEST_ROUTE, FAILURE_ROUTE. - Example 1.26. lookup_branches usage + Example 1.27. lookup_branches usage ... lookup_branches("location"); ... @@ -781,7 +811,7 @@ lookup_branches("location"); This function can be used from REQUEST_ROUTE, FAILURE_ROUTE. - Example 1.27. registered usage + Example 1.28. registered usage ... if (registered("location")) { sl_send_reply("100", "Trying"); @@ -801,7 +831,7 @@ if (registered("location")) { This function can be used from REQUEST_ROUTE. - Example 1.28. add_sock_hdr usage + Example 1.29. add_sock_hdr usage ... add_sock_hdr("Sock-Info"); ... @@ -819,7 +849,7 @@ add_sock_hdr("Sock-Info"); This function can be used from REQUEST_ROUTE, FAILURE_ROUTE. - Example 1.29. unregister usage + Example 1.30. unregister usage ... unregister("location", "$ru"); unregister("location", "sip:user@kamailio.org"); @@ -841,7 +871,7 @@ unregister("location", "sip:user@kamailio.org"); This function can be used from REQUEST_ROUTE, FAILURE_ROUTE. - Example 1.30. reg_fetch_contacts usage + Example 1.31. reg_fetch_contacts usage ... reg_fetch_contacts("location", "$ru", "callee"); reg_fetch_contacts("location", "sip:user@kamailio.org", "caller"); @@ -860,7 +890,7 @@ reg_fetch_contacts("location", "sip:user@kamailio.org", "caller"); This function can be used from REQUEST_ROUTE, FAILURE_ROUTE. - Example 1.31. reg_free_contacts usage + Example 1.32. reg_free_contacts usage ... reg_free_contacts("callee"); ... @@ -926,7 +956,7 @@ reg_free_contacts("callee"); The pseudo-variable accepts positive index value to access a specific contact record. - Example 1.32. $ulc(name) usage + Example 1.33. $ulc(name) usage ... if(reg_fetch_contacts("location", "$fu", "caller")) { diff --git a/modules_k/registrar/doc/registrar_admin.xml b/modules_k/registrar/doc/registrar_admin.xml index f59e8f6..9df5e0d 100644 --- a/modules_k/registrar/doc/registrar_admin.xml +++ b/modules_k/registrar/doc/registrar_admin.xml @@ -765,6 +765,48 @@ modparam("registrar", "outbound_mode", 2) </example> </section> + <section> + <title><varname>flow_timer</varname> (integer)</title> + <para> + If set to 0 then this module will not add a Flow-Timer: header + to 200 OK responses to REGISTER requests. + </para> + <para> + If set to > 0 then this module will add a Flow-Timer: header + containing this value to 200 OK responses to REGISTER requests. + This parameter may only be set to a value > 0 when + <emphasis>outbound_mode</emphasis> is set to 2. + </para> + <para> + When set to a value > 0 this parameter should be set to slightly + less than the connection timeout value between the UAC and the + network (this corresponds to the core + <emphasis>tcp_connection_lifetime</emphasis> option and + <emphasis>websocket</emphasis> + <emphasis>keepalive_timeout</emphasis> modparam). This parameter + is most useful when you have a single edge proxy/registrar. If + you are using a separate SIP Outbound Edge Proxy you should + consider leaving this parameter set to 0 and adding the + Flow-Timer: header on the Edge Proxy (as this allows you to + keep all of the timer values for a specific flow in one + configuration - that of the Edge Proxy). + </para> + <para> + <emphasis> + Default value is 0. + </emphasis> + </para> + <example> + <title>Set <varname>flow_timer</varname> parameter</title> + <programlisting format="linespecific"> +... +modparam("registrar", "flow_timer", 25) +... + </programlisting> + </example> + </section> + + </section>