[SR-Users] rtpproxy doesn't record after start_recording

[Daniel-Constantin Mierla]

Hello,

I think you can call the start recording function just after
rtpproxy_manage().

If you don't use the start recording function, is the audio going both
ways without problems?

Cheers,
Daniel


On 12/03/2017 15:04, Marko Tirs wrote:
> Hello experts,
>
> I'm newbie in Kamailio and have a problem with my 1st installation.
> I just want to control the calls between SIP clients registered by Kamailio
> and record the conversations.
>
> I installed rtpproxy and started with
> rtpproxy -F -s udp:127.0.0.1:7722 -l 192.168.0.13 -r /home/user1/rtpproxy
> -d DBUG:LOG_LOCAL0
>
> After start_recording() in the function onreply_route[MANAGE_REPLY]
> rtpproxy creates the files <call-id>.rtp and <call-id>.rtcp but they
> remain at zero length.
>
> 2nd problem is that the media stream is broken in one direction
> after start_recording() has been executed, the callee doesn't hear
> the caller.
>
> How is the right Kamailio configuration for recording conversations?
>
> Thank you
> Regards
> Marko
>
>
> Modified kamailio-basic.cfg partly:
>
> #!KAMAILIO
>
> #!define WITH_NAT
>
> #!ifdef WITH_NAT
> loadmodule "nathelper.so"
> loadmodule "rtpproxy.so"
> #!endif
>
> #!ifdef WITH_NAT
> # ----- rtpproxy params -----
> modparam("rtpproxy", "rtpproxy_sock", "udp:127.0.0.1:7722")
>
> # ----- nathelper params -----
> modparam("nathelper", "natping_interval", 30)
> modparam("nathelper", "ping_nated_only", 1)
> modparam("nathelper", "sipping_bflag", FLB_NATSIPPING)
> modparam("nathelper", "sipping_from", "sip:pinger at kamailio.org")
>
> # params needed for NAT traversal in other modules
> modparam("nathelper|registrar", "received_avp", "$avp(RECEIVED)")
> modparam("usrloc", "nat_bflag", FLB_NATB)
> #!endif
>
> ####### Routing Logic ########
>
> route[RELAY] {
> # enable additional event routes for forwarded requests
> # - serial forking, RTP relaying handling, a.s.o.
> if (is_method("INVITE|BYE|SUBSCRIBE|UPDATE")) {
> if(!t_is_set("branch_route")) t_on_branch("MANAGE_BRANCH");
> }
> if (is_method("INVITE|SUBSCRIBE|UPDATE")) {
> if(!t_is_set("onreply_route")) t_on_reply("MANAGE_REPLY");
> }
> if (is_method("INVITE")) {
> if(!t_is_set("failure_route")) t_on_failure("MANAGE_FAILURE");
> }
>
> if (!t_relay()) {
> sl_reply_error();
> }
> exit;
> }
>
> # RTPProxy control
> route[NATMANAGE] {
> #!ifdef WITH_NAT
> if (is_request()) {
> if(has_totag()) {
> if(check_route_param("nat=yes")) {
> setbflag(FLB_NATB);
> }
> }
> }
> if (!(isflagset(FLT_NATS) || isbflagset(FLB_NATB)))
> return;
>
> rtpproxy_manage("co");
>
> if (is_request()) {
> if (!has_totag()) {
> if(t_is_branch_route()) {
> add_rr_param(";nat=yes");
> }
> }
> }
> if (is_reply()) {
> if(isbflagset(FLB_NATB)) {
> set_contact_alias();
> }
> }
> #!endif
> return;
> }
>
> # Manage incoming replies
> onreply_route[MANAGE_REPLY] {
> xdbg("incoming reply\n");
> if (is_method("INVITE") and (status=="200")) {
> xlog("START_RECORDING #1\n");
> start_recording();
> xlog("START_RECORDING #2\n");
> }
> else if(status=~"[12][0-9][0-9]")
> route(NATMANAGE);
> }
>
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-- 
Daniel-Constantin Mierla
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