[SR-Users] (no subject)

Daniel-Constantin Mierla miconda at gmail.com
Mon Jul 4 15:38:10 CEST 2016 

Hello,

in the new email, the t_load_contacts() and drop are commented.

Is it how you have them in the config or again some formatting issue?

Cheers,
Daniel

On 04/07/16 15:13, John Petrini wrote:
> Hi Daniel,
>
> I made a mistake with my formatting when I pasted here. I am calling
> append_branch() before t_load_contacts. I've attached a view of the
> entire route including where I was using drop; below. Also a packet
> capture that shows Kamailio forwarding the reply from the cnam
> provider back to the phone. I've discovered t_cancel_branches("this")
> and that seems to be doing the job of killing the second branch as
> well as the reply to the phone.
>
> My main issue right now is serializing the branches, append_branch
> creates an additional branch but t_load_contacts fails. I've tried
> appending multiple branches and also using seturi to replicate the
> documentation as closely as possible with no luck.
>
> route[CNAM_DIPS] {
>   if ($avp(direction) == "in") {
>     t_on_branch("CNAM_DIPS");
>     t_on_reply("CNAM_DIPS");
>     t_on_failure("CNAM_DIPS");
>     $var(reply_count) = 0;
>     append_branch("sip:8888888888
> <tel:2152974400>@222.22.222.22:5060;trans-type=5", "0.5");
>     #t_load_contacts();
>     t_next_contacts();
>     t_relay();
>     break;
>   }
> }
>
> branch_route[CNAM_DIPS] {
>   $var(modified_from) = "sip:" + $fU + "@sip.core.com
> <http://sip.core.com/>";
>   uac_replace_from("$var(modified_from)");
> }
>
> onreply_route[CNAM_DIPS] {
>   $var(reply_count) = $var(reply_count) + 1;
>   if (t_check_status("380")) {
>     $avp(cnam) = $(hdr(P-Asserted-Identity){nameaddr.name
> <http://nameaddr.name/>});
>   } else {
>       xlog("L_ERROR", "INFO: Received bad reply
> (on_reply_route[CNAM_DIPS]):"); 
>   };
>   if ($var(reply_count) = 1) {
>     t_cancel_branches("this");
>   }
>   #drop;
> }
>
> failure_route[CNAM_DIPS] {
>   if (!t_next_contacts()) {
>     xlog("L_ERR", "ERROR: Gateway failure (failure_route[CNAM_DIPS]):
> Failed to ship call");
>     exit;
>   } else {
>       t_next_contacts();
>       t_relay();
>   };
> }
>
>
> Packet capture using drop in the on_reply route rather than
> t_cancel_branches("this"):
>
> U 2016/07/04 08:46:41.223295 44.444.4.444:5060 -> 333.33.33.3:5060
> INVITE sip:+12222222222 at core.com:5060
> <http://sip:+12222222222@core.com:5060> SIP/2.0.
> Via: SIP/2.0/UDP 44.444.4.444:5060;branch=z9hG4bK04Bef9112d99372eace.
> From: "UNKNOWN"
> <sip:+13333333333 at 44.444.4.444;isup-oli=62>;tag=gK046fcff6.
> To: <sip:2222222222 at core.com <mailto:sip%3A2222222222 at core.com>>.
> Call-ID: 1698991986_66771899 at 44.444.4.444.
> CSeq: 468700 INVITE.
> Max-Forwards: 70.
> Allow: INVITE,ACK,CANCEL,BYE,OPTIONS.
> Accept: application/sdp.
> Contact: "UNKNOWN" <sip:+13333333333 at 44.444.4.444:5060>.
> P-Asserted-Identity: "UNKNOWN" <sip:+13333333333 at 44.444.4.444:5060>.
> Supported: replaces.
> Content-Length:   281.
> Content-Disposition: session; handling=required.
> Content-Type: application/sdp.
> .
> v=0.
> o=Sonus_UAC 807784 731434 IN IP4 44.444.4.444.
> s=SIP Media Capabilities.
> c=IN IP4 55.555.5.55.
> t=0 0.
> m=audio 54018 RTP/AVP 0 18 101.
> a=rtpmap:0 PCMU/8000.
> a=rtpmap:18 G729/8000.
> a=fmtp:18 annexb=no.
> a=rtpmap:101 telephone-event/8000.
> a=fmtp:101 0-15.
> a=sendrecv.
> a=ptime:20.
>
>
> U 2016/07/04 08:46:41.230033 333.33.33.3:5060 -> 44.444.4.444:5060
> SIP/2.0 100 trying -- your call is important to us.
> Via: SIP/2.0/UDP 44.444.4.444:5060;branch=z9hG4bK04Bef9112d99372eace.
> From: "UNKNOWN"
> <sip:+13333333333 at 44.444.4.444;isup-oli=62>;tag=gK046fcff6.
> To: <sip:2222222222 at core.com <mailto:sip%3A2222222222 at core.com>>.
> Call-ID: 1698991986_66771899 at 44.444.4.444.
> CSeq: 468700 INVITE.
> Server: kamailio (4.2.7 (x86_64/linux)).
> Content-Length: 0.
> .
>
>
> U 2016/07/04 08:46:41.234143 333.33.33.3:5060 -> 222.22.222.22:5060
> <http://222.22.222.22:5060>
> INVITE sip:8888888888 at 222.22.222.22:5060;trans-type=5 SIP/2.0.
> Record-Route:
> <sip:333.33.33.3;lr;ftag=gK046fcff6;vsf=AAAAAAAAAAAAAAAAAAAAAABFXl4cUF5cXABSXl87aXN1cC1vbGk9NjI->.
> Via: SIP/2.0/UDP
> 333.33.33.3;branch=z9hG4bK8ac3.daa229dcb24f16332fa5a21927e9a72f.0.
> Via: SIP/2.0/UDP 44.444.4.444:5060;branch=z9hG4bK04Bef9112d99372eace.
> From: "UNKNOWN" <sip:+13333333333 at sip.core.com
> <mailto:sip%3A%2B13333333333 at sip.core.com>>;tag=gK046fcff6.
> To: <sip:2222222222 at core.com <mailto:sip%3A2222222222 at core.com>>.
> Call-ID: 1698991986_66771899 at 44.444.4.444.
> CSeq: 468700 INVITE.
> Max-Forwards: 69.
> Allow: INVITE,ACK,CANCEL,BYE,OPTIONS.
> Accept: application/sdp.
> Contact: "UNKNOWN" <sip:+13333333333 at 44.444.4.444:5060>.
> P-Asserted-Identity: "UNKNOWN" <sip:+13333333333 at 44.444.4.444:5060>.
> Supported: replaces.
> Content-Length:   281.
> Content-Disposition: session; handling=required.
> Content-Type: application/sdp.
> P-hint: branch_route CNAM_DIPS.
> .
> v=0.
> o=Sonus_UAC 807784 731434 IN IP4 44.444.4.444.
> s=SIP Media Capabilities.
> c=IN IP4 55.555.5.55.
> t=0 0.
> m=audio 54018 RTP/AVP 0 18 101.
> a=rtpmap:0 PCMU/8000.
> a=rtpmap:18 G729/8000.
> a=fmtp:18 annexb=no.
> a=rtpmap:101 telephone-event/8000.
> a=fmtp:101 0-15.
> a=sendrecv.
> a=ptime:20.
>
>
> U 2016/07/04 08:46:41.367868 222.22.222.22:5060
> <http://222.22.222.22:5060> -> 333.33.33.3:5060
> SIP/2.0 380 cnam lookup.
> Via: SIP/2.0/UDP
> 333.33.33.3;branch=z9hG4bK8ac3.daa229dcb24f16332fa5a21927e9a72f.0.
> Via: SIP/2.0/UDP 44.444.4.444:5060;branch=z9hG4bK04Bef9112d99372eace.
> From: "UNKNOWN" <sip:+13333333333 at sip.core.com
> <mailto:sip%3A%2B13333333333 at sip.core.com>>;tag=gK046fcff6.
> To:  <sip:2222222222 at core.com
> <mailto:sip%3A2222222222 at core.com>>;tag=CNAM-16688-1467636671937.
> Call-ID: 1698991986_66771899 at 44.444.4.444.
> CSeq: 468700 INVITE.
> Contact: "CNAM" <sip:cnam_gw at 10.212.16.30
> <mailto:sip%3Acnam_gw at 10.212.16.30>>; transport=udp.
> Max-Forwards: 10.
> P-Asserted-Identity: "Unavailable" <sip:+13333333333 at sip.core.com
> <mailto:sip%3A%2B13333333333 at sip.core.com>>.
> Content-Length: 0.
> .
>
>
> U 2016/07/04 08:46:41.368421 333.33.33.3:5060 -> 222.22.222.22:5060
> <http://222.22.222.22:5060>
> ACK sip:8888888888 at 222.22.222.22:5060;trans-type=5 SIP/2.0.
> Via: SIP/2.0/UDP
> 333.33.33.3;branch=z9hG4bK8ac3.daa229dcb24f16332fa5a21927e9a72f.0.
> From: "UNKNOWN" <sip:+13333333333 at sip.core.com
> <mailto:sip%3A%2B13333333333 at sip.core.com>>;tag=gK046fcff6.
> To:  <sip:2222222222 at core.com
> <mailto:sip%3A2222222222 at core.com>>;tag=CNAM-16688-1467636671937.
> Call-ID: 1698991986_66771899 at 44.444.4.444.
> CSeq: 468700 ACK.
> Max-Forwards: 69.
> Content-Length: 0.
> .
>
>
> U 2016/07/04 08:46:44.227076 333.33.33.3:5060 -> 44.444.4.444:5060
> SIP/2.0 380 cnam lookup.
> Via: SIP/2.0/UDP 44.444.4.444:5060;branch=z9hG4bK04Bef9112d99372eace.
> From: "UNKNOWN"
> <sip:+13333333333 at 44.444.4.444;isup-oli=62>;tag=gK046fcff6.
> To:  <sip:2222222222 at core.com
> <mailto:sip%3A2222222222 at core.com>>;tag=CNAM-16688-1467636671937.
> Call-ID: 1698991986_66771899 at 44.444.4.444.
> CSeq: 468700 INVITE.
> Contact: "CNAM" <sip:cnam_gw at 10.212.16.30
> <mailto:sip%3Acnam_gw at 10.212.16.30>>; transport=udp.
> Max-Forwards: 10.
> P-Asserted-Identity: "Unavailable" <sip:+13333333333 at sip.core.com
> <mailto:sip%3A%2B13333333333 at sip.core.com>>.
> Content-Length: 0.
> P-hint: onreply CNAM_DIPS.
> .
>
>
>
>
>
> ___
>
> John Petrini
>
> NOC Systems Administrator   //   *CoreDial, LLC*   //   coredial.com
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>
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>

-- 
Daniel-Constantin Mierla
http://www.asipto.com - http://www.kamailio.org
http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda

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