我用的是Kamailio 4.4我需要覆盖呼叫信息:来自报头域。sip.twilio.com到pstn.mycompany.io。示例:
From: "+16501112222" <sip:+16501112222@sip.twilio.com>至
From: "+16501112222" <sip:+16501112222@pstn.mycompany.io>调用流:
Twilio (SP1) --> MyCompany --> SP2
Twilio SIP -> Calls: sip:14081112222@sip.mycompany.io -> Kamailio -> Kamailio look up table and convert sip:14081112222@sip.mycompany.io to sip:jdoe@sp2.com using dbaliases to send call to SP2. SP2的客户看到了Twilio打来的电话。为了将SIP调用重定向到SP2,Kamailio执行DNS查找。虽然我看到这段代码正在执行,但我尝试了以下运气。使用Kamailio默认调用脚本。
branch_route[MANAGE_BRANCH] {
if($fd=~"sip\.twilio\.com") {
xlog("L_INFO","|Masking Twilio call from: $fu");
$fd = "pstn.mycompany.io";
}
xdbg("new branch [$T_branch_idx] to: $ru from: $fu\n");
route(NATMANAGE);
}发布于 2017-01-16 17:45:40
在kamailio.cfg中更改From URI可以使用以下方法完成:
您使用了第二个选项,但是要注意,更改不是立即可见的。因此,在分配给$fu之后打印$fd将打印From URI的旧值。看看网络上的流量,那里的报头应该被更新。如果没有,请在syslog中查看是否有任何错误消息。此外,加载调试器模块并将其参数cfgtrace设置为1可以帮助跟踪执行了哪些配置文件行。
发布于 2017-01-20 09:03:19
这样做是有效的:
# Add uac.so module
loadmodule "uac.so"
# Manage outgoing branches
branch_route[MANAGE_BRANCH] {
xdbg("New branch [$T_branch_idx] to: $ru from: $fu $fd\n");
xlog("L_DBG","$mb \n| New branch \n");
# Rewrite From Domain for X
if($fd=~"sip.x.com") {
xlog("L_DBG","$mb \n| RELAY | Masking X call from: $fu $fd");
xlog("L_DBG","$mb \n| RELAY | From: $fu $fd");
uac_replace_from("","sip:$fU@pstn.mycompany.io");
xlog("L_DBG","$mb \n| RELAY | Call masked from: $fu");
}
# We do not trust the user, let's remove the P-Asserted-Identity, if any:
remove_hf("P-Asserted-Identity");
remove_hf("P-Preferred-Identity");
route(NATMANAGE);
}https://stackoverflow.com/questions/41544857
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