Dear All I have tried a lot and looks getting Kamailio IMS setup is very difficult and no proper documentation available. Though I have setup all CSCFs and FHoSS , still REGISTRATION fails with 483 response.
I have setup DNS properly as shown below.
*root@necs04:/etc/kamailio/pcscf# root@necs04:/etc/kamailio/pcscf# ping pcscf.group1-imslab11.in http://pcscf.group1-imslab11.inPING pcscf.group1-imslab11.in http://pcscf.group1-imslab11.in (192.168.1.100) 56(84) bytes of data.64 bytes from localhost (192.168.1.100): icmp_req=1 ttl=64 time=0.037 ms64 bytes from localhost (192.168.1.100): icmp_req=2 ttl=64 time=0.028 ms^C--- pcscf.group1-imslab11.in http://pcscf.group1-imslab11.in ping statistics ---2 packets transmitted, 2 received, 0% packet loss, time 1000msrtt min/avg/max/mdev = 0.028/0.032/0.037/0.007 msroot@necs04:/etc/kamailio/pcscf# root@necs04:/etc/kamailio/pcscf# root@necs04:/etc/kamailio/pcscf# root@necs04:/etc/kamailio/pcscf# ping icscf.group1-imslab11.in http://icscf.group1-imslab11.inPING icscf.group1-imslab11.in http://icscf.group1-imslab11.in (192.168.1.100) 56(84) bytes of data.64 bytes from localhost (192.168.1.100): icmp_req=1 ttl=64 time=0.023 ms64 bytes from localhost (192.168.1.100): icmp_req=2 ttl=64 time=0.029 ms64 bytes from localhost (192.168.1.100): icmp_req=3 ttl=64 time=0.024 ms^C--- icscf.group1-imslab11.in http://icscf.group1-imslab11.in ping statistics ---3 packets transmitted, 3 received, 0% packet loss, time 1999msrtt min/avg/max/mdev = 0.023/0.025/0.029/0.004 msroot@necs04:/etc/kamailio/pcscf# root@necs04:/etc/kamailio/pcscf# ping scscf.group1-imslab11.in http://scscf.group1-imslab11.inPING scscf.group1-imslab11.in http://scscf.group1-imslab11.in (192.168.1.100) 56(84) bytes of data.64 bytes from localhost (192.168.1.100): icmp_req=1 ttl=64 time=0.022 ms64 bytes from localhost (192.168.1.100): icmp_req=2 ttl=64 time=0.022 ms64 bytes from localhost (192.168.1.100): icmp_req=3 ttl=64 time=0.021 ms^C--- scscf.group1-imslab11.in http://scscf.group1-imslab11.in ping statistics ---3 packets transmitted, 3 received, 0% packet loss, time 1998msrtt min/avg/max/mdev = 0.021/0.021/0.022/0.005 msroot@necs04:/etc/kamailio/pcscf# *
Also dig result is as shown below.
*root@necs04:/etc/kamailio/pcscf# root@necs04:/etc/kamailio/pcscf# dig naptr group1-imslab11.in http://group1-imslab11.in; <<>> DiG 9.8.1-P1 <<>> naptr group1-imslab11.in http://group1-imslab11.in;; global options: +cmd;; Got answer:;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 10919;; flags: qr aa rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 1, ADDITIONAL: 3;; QUESTION SECTION:;group1-imslab11.in http://group1-imslab11.in. IN NAPTR;; ANSWER SECTION:group1-imslab11.in http://group1-imslab11.in. 86400 IN NAPTR 10 50 "s" "SIP+D2T" "" _sip._tcp.pcscf.group1-imslab11.in http://tcp.pcscf.group1-imslab11.in.group1-imslab11.in http://group1-imslab11.in. 86400 IN NAPTR 10 50 "s" "SIP+D2U" "" _sip._udp.pcscf.group1-imslab11.in http://udp.pcscf.group1-imslab11.in.;; AUTHORITY SECTION:group1-imslab11.in http://group1-imslab11.in. 86400 IN NS necs04.group1-imslab11.in http://necs04.group1-imslab11.in.;; ADDITIONAL SECTION:pcscf.group1-imslab11.in http://pcscf.group1-imslab11.in. 86400 IN A 192.168.1.100necs04.group1-imslab11.in http://necs04.group1-imslab11.in. 86400 IN A 192.168.1.100_sip._udp.pcscf.group1-imslab11.in http://udp.pcscf.group1-imslab11.in. 86400 IN SRV 0 0 4060 pcscf.group1-imslab11.in http://pcscf.group1-imslab11.in.;; Query time: 0 msec;; SERVER: 192.168.1.100#53(192.168.1.100);; WHEN: Fri Oct 17 17:34:22 2014;; MSG SIZE rcvd: 259root@necs04:/etc/kamailio/pcscf# *
When I send a REGISTER message from a sip client, I get 483 Too Many Hops.
I am totally clueless whats going wrong.
Can somebody guide me , where is the fault.
On thing I do not understand is dispatcher.list stuff.
So I have kept empty disptacher.list file for PCSCF and SCSCF. Can that be an issue.
The REGISTER and 483 response looks as below.
*REGISTER sip:pcscf.group1-imslab11.in http://pcscf.group1-imslab11.in SIP/2.0Via: SIP/2.0/TCP 192.168.1.114:49732;branch=z9hG4bK457115572From: <sip:necs_0@group1-imslab11.in sip%3Anecs_0@group1-imslab11.in>;tag=1068512852To: <sip:necs_0@group1-imslab11.in sip%3Anecs_0@group1-imslab11.in>Call-ID: 1874336526CSeq: 16 REGISTERContact: sip:necs_0@192.168.1.114:49732;transport=TCP;line=a126427bb8e82c9;+sip.instance="urn:uuid:2dab9970-55f5-11e4-ae19-41032d8f6492"Authorization: Digest username="necs_0@group1-imslab11.in necs_0@group1-imslab11.in", realm="pcscf.group1-imslab11.in http://pcscf.group1-imslab11.in", nonce=" ", uri="sip:pcscf.group1-imslab11.in http://pcscf.group1-imslab11.in", response=" "Max-Forwards: 70User-Agent: NECS IMS client v1.01Expires: 600000Supported: pathSupported: gruuContent-Length: 0*
*SIP/2.0 483 Too Many HopsVia: SIP/2.0/TCP 192.168.1.114:49732;branch=z9hG4bK457115572From: <sip:necs_0@group1-imslab11.in sip%3Anecs_0@group1-imslab11.in>;tag=1068512852To: <sip:necs_0@group1-imslab11.in sip%3Anecs_0@group1-imslab11.in>;tag=68c95b6520b8472128534dfbca9fcb81.d739Call-ID: 1874336526CSeq: 16 REGISTERServer: Kamailio P-CSCFContent-Length: 0* Kindly somebody help me how I can troubleshoot and fix it.
Many thanks Kamal