[SR-Users] BYE issue

[Nelson Migliaro]

Thank you very much for your support,

When you say: "They may be able to disable this for you – otherwise you’ll
need to rewrite the headers yourself."

How can I rewrite the header if I dont have destination IP?, there are four
Asterisk servers and all of them send calls to the bridged Kamailio and I
dont have Asterisk private IP in the BYE request.

Regards and again thank you,

Nelson.-

2016-10-18 9:18 GMT+02:00 Phil Lavin <phil.lavin at cloudcall.com>:

> It sounds like the vendor is handling NAT traversal on their side. They
> will be assuming that Asterisk is behind NAT, because of the presence of
> private IP addresses – particularly in the contact, and will be rewriting
> various parts.
>
>
>
> They may be able to disable this for you – otherwise you’ll need to
> rewrite the headers yourself.
>
>
>
>
>
> *From:* sr-users [mailto:sr-users-bounces at lists.sip-router.org] *On
> Behalf Of *Nelson Migliaro
> *Sent:* 17 October 2016 18:23
> *To:* Kamailio (SER) - Users Mailing List <sr-users at lists.sip-router.org>
> *Subject:* [SR-Users] BYE issue
>
>
>
> Hello everybody,
>
>
>
> I am having issues with one SIP vendor.
>
>
>
> I have a Kamailio in bridge mode (private IP / Public IP) and some
> Asterisk and Media Gateways.
>
>
>
> Calls get established and I have two way audio but when the remote party
> hangs up the call, the BYE arrives to the Kamailio and does not move
> forward.
>
>
>
> I think the problem is SIP vendor rewrite the BYE header and change the
> asterisk IP with the public IP of the kamailio.
>
>
>
> The IP that appears in the header of the BYE have to be the same that
> appears in the contact (UAC that send the call, in my case the Asterisk).
> Vendor should not change that IP. ¿Am I correct?
>
>
>
> Thank you
>
>
>
> ------------------------------------------------------------
> -----------------------------------------
>
> INVITE
>
> ------------------------------------------------------------
> ----------------------------------------
>
> 2016/10/17 18:50:49.110967 PUBLIC-KAMAILIO-IP:5060 -> VENDOR-IP:6060
>
> INVITE sip:DESTINATION-NUMBER at VENDOR-IP:6060 SIP/2.0
>
> Record-Route: <sip:PUBLIC-KAMAILIO-IP;r2=on;lr=on;ftag=as5e87b96c;vsf=
> AAAAAAAAAAAAAAAAAABQUk9fRVYAU0UuODY-;vst=AAAAAAQEAw8MDgsAAHYAcVddXkZWRV
> VDVl1MMDIudm9pY2U
>
> G9jYWw-;did=09b.9572;nat=yes>
>
> Record-Route: <sip:PRIVATE-KAMAILIO-IP;r2=on;lr=on;ftag=as5e87b96c;vsf=
> AAAAAAAAAAAAAAAAAABQUk9fRVYAU0UuODY-;vst=AAAAAAQEAw8MDgsAAHYAcVddXkZWRV
> VDVl1MMDIudm9pY2U
>
> G9jYWw-;did=09b.9572;nat=yes>
>
> Via: SIP/2.0/UDP PUBLIC-KAMAILIO-IP;branch=z9hG4bK06a.
> 07540d0e2f32a811ecf9c0a5235dc77a.1
>
> Via: SIP/2.0/UDP PRIVATE-ASTERISK-IP:5060;received=PRIVATE-ASTERISK-IP;
> branch=z9hG4bK6bb5a7b3;rport=5060
>
> Max-Forwards: 69
>
> From: "SOURCE-NUMBER" <sip:SOURCE-NUMBER at MY-COMPANY>;tag=as5e87b96c
>
> To: <sip:DESTINATION-NUMBER at VENDOR-IP>
>
> Contact: <sip:SOURCE-NUMBER at PRIVATE-ASTERISK-IP:5060>
>
> Call-ID: 025cc3717ba59faa000cf4db6f8be588 at PRIVATE-ASTERISK-IP:5060
>
> CSeq: 102 INVITE
>
> User-Agent: UAC
>
> Date: Mon, 17 Oct 2016 16:53:35 GMT
>
> Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO,
> PUBLISH, MESSAGE
>
> Supported: replaces, timer
>
> Content-Type: application/sdp
>
> Content-Length: 269
>
>
>
> v=0
>
> o=root 292850421 292850421 IN IP4 PUBLIC-KAMAILIO-IP
>
> s=Asterisk PBX
>
> c=IN IP4 PUBLIC-KAMAILIO-IP
>
> t=0 0
>
> m=audio 23456 RTP/AVP 18 101
>
> a=rtpmap:18 G729/8000
>
> a=fmtp:18 annexb=no
>
> a=rtpmap:101 telephone-event/8000
>
> a=fmtp:101 0-16
>
> a=ptime:20
>
> a=sendrecv
>
> a=nortpproxy:yes
>
>
>
> ------------------------------------------------------------
> -----------------------------------------
>
> BYE
>
> ------------------------------------------------------------
> -----------------------------------------
>
> 2016/10/17 18:50:58.241666 VENDOR-IP:6060 -> PUBLIC-KAMAILIO-IP:5060
>
> BYE sip:SOURCE-NUMBER at PUBLIC-KAMAILIO-IP:5060 SIP/2.0
>
> Via: SIP/2.0/UDP VENDOR-IP:6060;branch=z9hG4bKeff4.48943e76.0
>
> Via: SIP/2.0/UDP VENDOR-IP:5060;branch=z9hG4bK1d4e605e4ll19f74fBYE421
> ce8658050206
>
> Max-Forwards: 34
>
> Route: <sip:PUBLIC-KAMAILIO-IP;lr;r2=on;ftag=as5e87b96c;vsf=
> AAAAAAAAAAAAAAAAAABQUk9fRVYAU0UuODY-;vst=AAAAAAQEAw8MDgsAAHYAcVddXkZWRV
> VDVl1>
>
> Route: <sip:PRIVATE-KAMAILIO-IP;lr;r2=on;ftag=as5e87b96c;vsf=
> AAAAAAAAAAAAAAAAAABQUk9fRVYAU0UuODY-;vst=AAAAAAQEAw8MDgsAAHYAcVddXkZWRV
> VDVl1>
>
> To: "SOURCE-NUMBER"<sip:SOURCE-NUMBER at YO>;tag=as5e87b96c
>
> From: <sip:DESTINATION-NUMBER at PUBLIC-KAMAILIO-IP>;tag=
> 421ce86-co1547-INS001
>
> Call-ID: 025cc3717ba59faa000cf4db6f8be588 at PRIVATE-ASTERISK-IP:5060
>
> CSeq: 154701 BYE
>
> User-Agent: VENDOR
>
> Content-Length: 0
>
>
>
> ------------------------------------------------------------
> -----------------------------------------
>
>
>
>
>
>
>
>
>
>
>
> _______________________________________________
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>
>
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