Module: kamailio Branch: master Commit: fdf72bec2d6cc20618bc30d0978d7f24f8106d44 URL: https://github.com/kamailio/kamailio/commit/fdf72bec2d6cc20618bc30d0978d7f2… Author: Kamailio Dev <kamailio.dev(a)kamailio.org> Committer: Kamailio Dev <kamailio.dev(a)kamailio.org> Date: 2023-02-13T13:01:34+01:00 modules: readme files regenerated - nathelper ... [skip ci] --- Modified: src/modules/nathelper/README --- Diff: https://github.com/kamailio/kamailio/commit/fdf72bec2d6cc20618bc30d0978d7f2… Patch: https://github.com/kamailio/kamailio/commit/fdf72bec2d6cc20618bc30d0978d7f2… --- diff --git a/src/modules/nathelper/README b/src/modules/nathelper/README index e091d2018f..941cee9465 100644 --- a/src/modules/nathelper/README +++ b/src/modules/nathelper/README @@ -107,7 +107,7 @@ Ovidiu Sas 1.17. Set alias_name parameter 1.18. fix_nated_contact usage 1.19. fix_nated_sdp usage - 1.20. add_rcv_paramer usage + 1.20. add_rcv_param usage 1.21. fix_nated_register usage 1.22. nat_uac_test usage 1.23. is_rfc1918 usage @@ -187,10 +187,10 @@ Chapter 1. Admin Guide with request's source address:port pair. The function fix_nated_sdp() adds the active direction indication to SDP (flag 0x01) and updates the source IP address too (flag 0x02). The function fix_nated_register() - exports exports the request's source address:port into an AVP to be - used during save() and should be used for ���REGISTER��� requests. + exports the request's source address:port into an AVP to be used during + save() and should be used for ���REGISTER��� requests. - Note: fix_nated_contact changes the ���Contact��� header, thus it breaks + Note: fix_nated_contact() changes the ���Contact��� header, thus it breaks the RFC. Although usually this is not an issue, it may cause problems with strict SIP clients. An alternative is to use add_contact_alias() that together with the handle_ruri_alias() is standards conforming and @@ -205,7 +205,7 @@ Chapter 1. Admin Guide Kamailio; + Disadvantages: unidirectional traffic through NAT (inbound - from outside to inside); As many NATs do update the bind - timeout only on outbound traffic, the bind may expire and + timeout only on outbound traffic, the bind may expire and get closed. * SIP request - a stateless SIP request is sent to the UDP contact address. @@ -285,7 +285,8 @@ modparam("nathelper", "natping_interval", 10) 4.3. ping_nated_only (integer) If this parameter is set to 1 then only contacts that have the behind - NAT ���nat_bflag��� flag in user location database set will get ping. + NAT ���nat_bflag��� flag in user location database set will get + SIP-request-based ping. If it is 0 and sipping_bflag is not set, then the 4-bytes UDP ping is sent to all contacts. If it is 0 and sipping_bflag parameter is set, @@ -583,7 +584,7 @@ if (search("User-Agent: Cisco ATA.*") {fix_nated_sdp("3");}; This function can be used from REQUEST_ROUTE. - Example 1.20. add_rcv_paramer usage + Example 1.20. add_rcv_param usage ... add_rcv_param(); # add the parameter to the Contact header .... @@ -821,7 +822,7 @@ $ kamcmd nathelper.enable_ping 1 8.1. @nathelper.rewrite_contact[n] Get n-th Contact value with IP:Port rewritten to source ip:port. N is - counted from 1. Only IP:port is rewritten, remaining part are left + counted from 1. Only IP:port is rewritten, remaining parts are left unchanged. Full nameaddr is supported. Example 1.31. @nathelper.rewrite_contact usage