[SR-Users] Kamailio Asterisk Retransmitting problem

PICCORO McKAY Lenz mckaygerhard at gmail.com
Tue Feb 19 16:09:48 CET 2019


i have similar problem, but only with streams due i used NAT with
rtpproxy.. some help are apreciate in details!

Lenz McKAY Gerardo (PICCORO)
http://qgqlochekone.blogspot.com


El mar., 19 de feb. de 2019 a la(s) 03:22, Techinnovation (
techinnovation at inbox.lv) escribió:

> Hello,
>
> Could you please help me correctly to configure Kamailio with load
> balancing between two asterisk servers and topology hidding with topoh
> module.
> In attach sip trace from kamailio and my config.
>
> Currently my problem is that after call UP on Asterisk side, Asterisk send
> 10 times Retransmitting to
> <------------->
> Retransmitting #5 (no NAT) to 37.148.171.162:5060:
> SIP/2.0 200 OK
> Via: SIP/2.0/UDP
> 37.148.171.162;branch=z9hG4bKf534.157d7d1321019895cc6ba367dd3ae94c.0;received=37.148.171.162
> Via: SIP/2.0/UDP
> 37.148.171.162;branch=z9hG4bKsr-mDYdVEts1x8-yJc91MhEVMtOVMhC6pni1uai1uSAQiytLvyKkMqHB5JsSg98PMYayEyHzESE1gdA6E9C
> From: "testaccount" <sip:37125511039 at 213.21.197.50>;tag=as7abbf1f1
> To: <sip:100 at 37.148.171.162:5060>;tag=as143173ac
> Call-ID:
> !!:1MeMfMhpfGtgfo6MQu6HfMNH1v-515SC1omDQocT1Efc1MhEVMtOVMhC6pni1uai1uSA
> CSeq: 102 INVITE
> Server: Asterisk PBX GIT-master-c83a44c
> Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO,
> PUBLISH, MESSAGE
> Supported: replaces, timer
> Session-Expires: 1800;refresher=uas
> Contact: <sip:100 at 37.148.171.164:5060>
> Content-Type: application/sdp
> Require: timer
> Content-Length: 267
>
> v=0
> o=root 1502512559 1502512559 IN IP4 37.148.171.164
> s=Asterisk PBX GIT-master-c83a44c
> c=IN IP4 37.148.171.164
> t=0 0
> m=audio 19658 RTP/AVP 8 101
> a=rtpmap:8 PCMA/8000
> a=rtpmap:101 telephone-event/8000
> a=fmtp:101 0-16
> a=ptime:20
> a=maxptime:150
> a=sendrecv
>
> And no ACK answer from Kamailio. After 32 sec call drops.
>
> I have call flow: Provider 213.21.197.50 -> Kamailio 37.148.171.162 ->
> Asterisk 37.148.171.163.
>
> kamailio -v
> version: kamailio 5.2.0 (x86_64/linux) 535e13
> flags: STATS: Off, USE_TCP, USE_TLS, USE_SCTP, TLS_HOOKS, USE_RAW_SOCKS,
> DISABLE_NAGLE, USE_MCAST, DNS_IP_HACK, SHM_MEM, SHM_MMAP, PKG_MALLOC,
> Q_MALLOC, F_MALLOC, TLSF_MALLOC, DBG_SR_MEMORY, USE_FUTEX,
> FAST_LOCK-ADAPTIVE_WAIT, USE_DNS_CACHE, USE_DNS_FAILOVER, USE_NAPTR,
> USE_DST_BLACKLIST, HAVE_RESOLV_RES
> ADAPTIVE_WAIT_LOOPS=1024, MAX_RECV_BUFFER_SIZE 262144 MAX_URI_SIZE 1024,
> BUF_SIZE 65535, DEFAULT PKG_SIZE 8MB
> poll method support: poll, epoll_lt, epoll_et, sigio_rt, select.
> id: 535e13
> compiled on 01:27:51 Dec 16 2018 with gcc 4.8.5
>
> On Asterisk side I have config
>
> [general]
> language=en
> maxexpirey=3600
> defaultexpirey=3600
> bindport=5060
> subscribecontext=lab
> allowsubscribe=yes
> limitonpeers=yes
> notifyringing=yes
> notifyhold=yes
> disallow=all
> alwaysauthreject=yes
> allowguest=no
> allow=alaw
> bindaddr=37.148.171.163
> t38pt_udptl=yes,redundancy
> faxdetect=yes
> directmedia=no
> rtptimeout=60
> rtpholdtimeout=300
>
> [kamailio]
> type=friend
> host=37.148.171.162
> port=5060
> nat=no
> qualify=no
> canreinvite=yes
> insecure=invite
> context=from-pstn
> ;directmedia=yes
>
> Many thanks !
>
> BR,
> Alex
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> *--  Best regards,  Techinnovation                          *
> mailto:techinnovation at inbox.lv <techinnovation at inbox.lv>
> _______________________________________________
> Kamailio (SER) - Users Mailing List
> sr-users at lists.kamailio.org
> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>
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