Could you please confirm via tcpdump traces that the receiver hop gets the
INVITE.
________________________________________
From: Serdar Metin [kingeb...@hotmail.com]
Sent: Friday, December 19, 2014 8:48 PM
To: sipp-users@lists.sourceforge.net
Subject: [Sipp-users] 2 Virtual Ubuntu with sipp cant get the call work
Hi all,
Im relatively new to sipp, but I kinda like how it works. I played with scapy a
lot to build scenarios and traffic, but sipp is the tool for VOIP!
Let me come to my question.
< VM Ubuntu RECEIVER *.66 > - - - - - - - - - - - - - < VM Ubuntu SENDER *.77>
What I want to do is, I want to set a invite first, and then have a call for
like 20 secs, and then terminate the call with a BYE. I did accomplish to
REGISTER to a 3CX server. But I cant get it the 2 VM’s with sip talk to each
other. Im busy like in days to get it work, but I cant see what im doing wrong.
Here is what im running on the 2 VM’s.
The receiver starts and waits for INVITE, the SENDER sends INVITE, but it looks
like the RECEIVER in server mode, ignores the packets.
RECEIVER 192.168.25.66
Command :
sipp -nd -sf case-receiver-uas.xml -inf case-receiver.csv -mp 5060 -rtp_echo
-trace_stat -trace_err -trace_msg
csv:
SEQUENTIAL
2566;2566;
XML:
<?xml version="1.0" encoding="ISO-8859-1" ?>
<scenario name="RECEIVER-">
<recv request="INVITE">
</recv>
<send retrans="500">
<![CDATA[
SIP/2.0 100 Trying
[last_Via:]
[last_From:]
[last_To:]
[last_Call-ID:]
[last_CSeq:]
]]>
</send>
</scenario>
SENDER 192.168.25.77
Command:
sipp 192.168.25.66:5060 -nd -sf case-uac.xml -inf case.csv -i 192.168.25.77 -m
1 -l 1 -r 1 -trace_stat -trace_err -trace_msg
csv:
SEQUENTIAL
2566;2566;
XML:
<?xml version="1.0" encoding="ISO-8859-1" ?>
<scenario name="case2">
<pause milliseconds="2000"/> <send retrans="500">
<![CDATA[
INVITE sip:[field0]@[remote_ip] SIP/2.0
Content-Type: application/sdp
Contact: <sip:[field1]@[local_ip]>
Allow: ACK,INFO,BYE,CANCEL,INVITE,OPTIONS,NOTIFY,PRACK,UPDATE
Supported: replaces, timer, norefersub
Session-Expires:14400
MIN-SE:181
User-Agent: SIPp/Win32
Content-Length:[len]
Max-Forwards:70
From: <sip:[field1]@[local_ip]>;tag=[call_number]
To: <sip:[field0]@[remote_ip]>
CSeq: [cseq] INVITE
Call-ID: [call_id]
Via: SIP/2.0/[transport] [local_ip]:[local_port];branch=[branch]
v=0
o=[field1] 1785200710 1 IN IP4 [local_ip]
s=-
c=IN IP4 [media_ip]
t=0 0
m=audio [auto_media_port] RTP/AVP 8 18 0 4
a=rtpmap:8 PCMA/8000
a=rtpmap:18 G729/8000
a=rtpmap:0 PCMU/8000
a=rtpmap:4 G723/8000
]]>
</send>
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