[SR-Users] Using SEMS in IMS-ZTE Network
Mojtaba
mespio at gmail.com
Mon Aug 27 15:06:05 CEST 2018
Hi, I knew, But i have not access to ZTE's pcscf.
Thank you.
But what about my question?Why the UE could not register via SEMS?
On Mon, 27 Aug 2018 15:40 Ivailo Dobrev, <ivailod at telera.eu> wrote:
> Hello,
>
> It's not directly related to your question but keep in mind that SBC
> should be put after vendor's/ZTE p-cscf if possible. Otherwise you will
> have QoS issues (if Rx is enabled/used) because of rewritten SDP from
> SBC/B2BUA.
>
> Regards,
> Ivo
>
> On 08/27/2018 08:06 AM, Mojtaba wrote:
> > Hello,
> > I am working with IMS (ZTE vendor), I want to use SBC in front of IMS
> > network for some security policy (Hide Topology),
> > I used SEMS as SBC in this regards, (like what we have in IMS/SEMS in
> > kamailio by Mr Carsten Bock).
> > When the Sebscriber want to register, The Register request received by
> > sems and the forward to IMS(ZTE), But the "503 Service Unavailable" is
> > received from IMS.
> > I enable "enable_reg_caching=yes" in register.sbcprofile''s
> > configuration file in sems.
> > If i use kamailio, instead of SEMS, The Registration request is done
> > successfully.In Kamailio i just forward the Register request to
> > IMS.like this:
> > route {
> > if (is_method("REGISTER")) {
> > $du = "sip:172.23.1.1:5080";
> > route(RELAY);
> > }
> > }
> > Let me know do the issue is from myself or from IMS(ZTE)?
> > In the fillowing, I paste all SIP Register signalling. First in
> > kamailio, second with SEMS.
> > ================Kamailio==================
> > 172.23.1.252.4080 > 172.23.1.1.5080: [bad udp cksum 0x5e58 ->
> > 0x4193!] UDP, length 787
> > E../.... at .]...............^XREGISTER sip:r-kh.com SIP/2.0
> > Via: SIP/2.0/UDP
> > 172.23.1.252:4080;branch=z9hG4bK018b.e091260b1b7395975a2ff1be0b9bec60.0
> > Via: SIP/2.0/UDP
> > 192.168.122.1:64407;branch=z9hG4bK-d8754z-7c208b9d587de818-1---d8754z-
> > Max-Forwards: 69
> > Contact: <sip:+985137054518 at 192.168.122.1:64407
> ;rinstance=e664e178fc12691e;transport=UDP>
> > From: <sip:+985137054518 at r-kh.com;transport=UDP>;tag=5aef0541
> > Call-ID: ZWYxMzUzNTQzN2I2MTRiMjE2NWZjMzUzMDFmMDhkOWY.
> > CSeq: 1 REGISTER
> > Expires: 3600
> > Allow: INVITE, ACK, CANCEL, BYE, NOTIFY, REFER, MESSAGE, OPTIONS,
> > INFO, SUBSCRIBE
> > Supported: replaces, norefersub, extended-refer, timer,
> X-cisco-serviceuri
> > User-Agent: Z 3.3.25608 r25552
> > Allow-Events: presence, kpml
> > Content-Length: 0
> >
> >
> > 08:20:53.114198 IP (tos 0x0, ttl 255, id 25839, offset 0, flags
> > [none], proto UDP (17), length 685)
> > 172.23.1.1.5080 > 172.23.1.252.4080: [udp sum ok] UDP, length 657
> > E...d......$..............l.SIP/2.0 401 Unauthorized
> > Via: SIP/2.0/UDP
> > 172.23.1.252:4080;branch=z9hG4bK018b.e091260b1b7395975a2ff1be0b9bec60.0
> > Via: SIP/2.0/UDP
> > 192.168.122.1:64407;branch=z9hG4bK-d8754z-7c208b9d587de818-1---d8754z-
> > To: <sip:+985137054518 at r-kh.com
> ;transport=UDP>;tag=ztesipTR9m3KdZ*3-5-16648*daei.3
> > From: <sip:+985137054518 at r-kh.com;transport=UDP>;tag=5aef0541
> > Call-ID: ZWYxMzUzNTQzN2I2MTRiMjE2NWZjMzUzMDFmMDhkOWY.
> > CSeq: 1 REGISTER
> > Content-Length: 0
> > WWW-Authenticate: Digest
> > realm="r-kh.com",domain="sip:scscf1.r-kh.com
> ",nonce="f42b36e39bdbb33b51599924b304445a",opaque="aW1zLmNvbS5jbg==",stale=TRUE,algorithm=MD5,qop="auth"
> >
> >
> > 08:20:53.120142 IP (tos 0x10, ttl 64, id 48874, offset 0, flags
> > [none], proto UDP (17), length 1137)
> > 172.23.1.252.4080 > 172.23.1.1.5080: [bad udp cksum 0x5f9a ->
> > 0xcc62!] UDP, length 1109
> > E..q.... at .\V.............]_.REGISTER sip:r-kh.com SIP/2.0
> > Via: SIP/2.0/UDP
> > 172.23.1.252:4080;branch=z9hG4bKd08b.4d2858f41d496b471c01a28e76190390.0
> > Via: SIP/2.0/UDP
> > 192.168.122.1:64407;branch=z9hG4bK-d8754z-a4d19146375d56f6-1---d8754z-
> > Max-Forwards: 69
> > Contact: <sip:+985137054518 at 192.168.122.1:64407
> ;rinstance=e664e178fc12691e;transport=UDP>
> > To: <sip:+985137054518 at r-kh.com;transport=UDP>
> > From: <sip:+985137054518 at r-kh.com;transport=UDP>;tag=5aef0541
> > Call-ID: ZWYxMzUzNTQzN2I2MTRiMjE2NWZjMzUzMDFmMDhkOWY.
> > CSeq: 2 REGISTER
> > Expires: 3600
> > Allow: INVITE, ACK, CANCEL, BYE, NOTIFY, REFER, MESSAGE, OPTIONS,
> > INFO, SUBSCRIBE
> > Supported: replaces, norefersub, extended-refer, timer,
> X-cisco-serviceuri
> > User-Agent: Z 3.3.25608 r25552
> > Authorization: Digest
> > username="+985137054518 at r-kh.com",realm="r-kh.com
> ",nonce="f42b36e39bdbb33b51599924b304445a",uri="sip:r-kh.com
> ;transport=UDP",response="9469852a06c01efeabf3a7a5dd1a9f3b",cnonce="79d36600575648a1cc7221d8e1b5d53d",nc=00000001,qop=auth,algorithm=MD5,opaque="aW1zLmNvbS5jbg=="
> > Allow-Events: presence, kpml
> > Content-Length: 0
> >
> >
> > 08:20:53.203871 IP (tos 0x0, ttl 255, id 25842, offset 0, flags
> > [none], proto UDP (17), length 1118)
> > 172.23.1.1.5080 > 172.23.1.252.4080: [udp sum ok] UDP, length 1090
> > E..^d......p.............J.5SIP/2.0 200 OK
> > Via: SIP/2.0/UDP
> > 172.23.1.252:4080;branch=z9hG4bKd08b.4d2858f41d496b471c01a28e76190390.0
> > Via: SIP/2.0/UDP
> > 192.168.122.1:64407;branch=z9hG4bK-d8754z-a4d19146375d56f6-1---d8754z-
> > To: <sip:+985137054518 at r-kh.com
> ;transport=UDP>;tag=ztesipjRydzgMa*3-5-16648*daej.3
> > From: <sip:+985137054518 at r-kh.com;transport=UDP>;tag=5aef0541
> > Call-ID: ZWYxMzUzNTQzN2I2MTRiMjE2NWZjMzUzMDFmMDhkOWY.
> > CSeq: 2 REGISTER
> > Contact: <sip:+985137054518 at 192.168.122.1:64407
> ;transport=UDP;rinstance=e664e178fc12691e>;expires=1800
> > Contact: <sip:ZTEAGCF000f425704be720000 at agcf2.r-kh.com:5079
> ;appid=2-7;UserRegInfo=002-02-00-0b80-04-172.30.48.143;BACaddr=172.30.48.143;BACport=2944>;expires=1800;+sip.instance="<urn:uuid:172.30.35.41-000>";reg-id=1
> > P-Associated-URI: <tel:+985137054518>
> > P-Associated-URI: <sip:+985137054518 at r-kh.com>
> > Date: Sat, 25 Aug 2018 12:25:17 GMT
> > Authentication-Info:
> >
> nextnonce="00cfbd64b136c12a4e27b67fd28d19fb",qop=auth,rspauth="91ca956c5eb6ee9f1934e2e770750077",cnonce="79d36600575648a1cc7221d8e1b5d53d",nc=00000001
> > Content-Length: 0
> > ============================SEMS========================
> > 172.23.1.252.5080 > 172.23.1.1.5080: [bad udp cksum 0x5e16 ->
> > 0xe11e!] UDP, length 721
> > E...C. at .@.................^.
> >
> > REGISTER sip:r-kh.com SIP/2.0
> > Via: SIP/2.0/UDP 172.23.1.252:5080;branch=z9hG4bK~0uk0ahN;rport
> > From: <sip:+985137054518 at r-kh.com
> ;transport=UDP>;tag=34384541-5B814A44000AE296-4B5F5700
> > To: <sip:+985137054518 at r-kh.com;transport=UDP>
> > CSeq: 10 REGISTER
> > Call-ID: 37B52BC0-5B814A44000AE592-4B5F5700
> > Route: <sip:172.23.1.1:5080;lr>
> > Max-Forwards: 70
> > Allow: INVITE, ACK, CANCEL, BYE, NOTIFY, REFER, MESSAGE, OPTIONS,
> > INFO, SUBSCRIBE
> > Supported: replaces, norefersub, extended-refer, timer,
> X-cisco-serviceuri
> > User-Agent: Z 3.3.25608 r25552
> > Allow-Events: presence, kpml
> > Contact: <sip:+985137054518 at 192.168.122.1:64407
> ;rinstance=868560f8328d39e9;transport=UDP>;expires=3600
> > Content-Length: 0
> >
> >
> > 08:23:32.790414 IP (tos 0x0, ttl 255, id 35790, offset 0, flags
> > [none], proto UDP (17), length 593)
> > 172.23.1.1.5080 > 172.23.1.252.5080: [udp sum ok] UDP, length 565
> > E..Q.....................=..SIP/2.0 401 Unauthorized
> > Via: SIP/2.0/UDP 172.23.1.252:5080;rport=5080;branch=z9hG4bK~0uk0ahN
> > To: <sip:+985137054518 at r-kh.com
> ;transport=UDP>;tag=ztesipDEmH2AWT*3-5-16648*egei.3
> > From: <sip:+985137054518 at r-kh.com
> ;transport=UDP>;tag=34384541-5B814A44000AE296-4B5F5700
> > Call-ID: 37B52BC0-5B814A44000AE592-4B5F5700
> > CSeq: 10 REGISTER
> > Content-Length: 0
> > WWW-Authenticate: Digest
> > realm="r-kh.com",domain="sip:scscf1.r-kh.com
> ",nonce="179797f920a09d65b5641e5e87df0d8c",opaque="aW1zLmNvbS5jbg==",stale=TRUE,algorithm=MD5,qop="auth"
> >
> >
> > 08:23:32.855067 IP (tos 0x0, ttl 64, id 17364, offset 0, flags [DF],
> > proto UDP (17), length 1071)
> > 172.23.1.252.5080 > 172.23.1.1.5080: [bad udp cksum 0x5f58 ->
> > 0xf553!] UDP, length 1043
> > E../C. at .@................._X
> >
> > REGISTER sip:r-kh.com SIP/2.0
> > Via: SIP/2.0/UDP 172.23.1.252:5080;branch=z9hG4bKeAfKkaZa;rport
> > From: <sip:+985137054518 at r-kh.com
> ;transport=UDP>;tag=5A64C27D-5B814A44000CD034-4B6F6700
> > To: <sip:+985137054518 at r-kh.com;transport=UDP>
> > CSeq: 10 REGISTER
> > Call-ID: 5380C97E-5B814A44000CD2A5-4B6F6700
> > Route: <sip:172.23.1.1:5080;lr>
> > Max-Forwards: 70
> > Allow: INVITE, ACK, CANCEL, BYE, NOTIFY, REFER, MESSAGE, OPTIONS,
> > INFO, SUBSCRIBE
> > Supported: replaces, norefersub, extended-refer, timer,
> X-cisco-serviceuri
> > User-Agent: Z 3.3.25608 r25552
> > Authorization: Digest
> > username="+985137054518 at r-kh.com",realm="r-kh.com
> ",nonce="179797f920a09d65b5641e5e87df0d8c",uri="sip:r-kh.com
> ;transport=UDP",response="017efb986e17506a82bb01e8eb136b90",cnonce="3764fd5eb2ea9539d61ec14196a2bf00",nc=00000001,qop=auth,algorithm=MD5,opaque="aW1zLmNvbS5jbg=="
> > Allow-Events: presence, kpml
> > Contact: <sip:+985137054518 at 192.168.122.1:64407
> ;rinstance=868560f8328d39e9;transport=UDP>;expires=3600
> > Content-Length: 0
> >
> >
> > 08:23:32.860417 IP (tos 0x0, ttl 255, id 35804, offset 0, flags
> > [none], proto UDP (17), length 508)
> > 172.23.1.1.5080 > 172.23.1.252.5080: [udp sum ok] UDP, length 480
> > E...........................SIP/2.0 503 Service Unavailable
> > Via: SIP/2.0/UDP 172.23.1.252:5080;rport=5080;branch=z9hG4bKeAfKkaZa
> > To: <sip:+985137054518 at r-kh.com
> ;transport=UDP>;tag=ztesipxxsD3FR2VG8e9zxR_1dx*1-1-16648*ihad.1
> > From: <sip:+985137054518 at r-kh.com
> ;transport=UDP>;tag=5A64C27D-5B814A44000CD034-4B6F6700
> > Call-ID: 5380C97E-5B814A44000CD2A5-4B6F6700
> > CSeq: 10 REGISTER
> > X-ZTE-Cause: "CSCF-1.1.BC004016-BC004288-0-0.pcscf1.r-kh.com"
> > Retry-After: 30
> > Content-Length: 0
> >
> >
> >
> >
>
>
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