Are you planning to emulate the 100+ sip stations by running a single instance of sipp ? If that's the case then you could use the [call_number] field un the uri for to / from field to make each message unique.
You can still use the [call_id] field as it would generate a new call id for each register messsage.
so you could have a register message as
REGISTER sip: 10.0.60.1 SIP/2.0
Via: SIP/2.0/UDP 10.0.60.100:5060;branch=[branch]
From: <sip:[call_number]@10.0.60.1:5060>;tag=[call_number]
To: <sip:[call_number]@10.0.60.1:5060>
Call-ID: [call_id]
CSeq: [cseq+1] REGISTER
Contact: <sip:[EMAIL PROTECTED]:5060>
Content-Length: 0
Expires: 3600
when you do start sipp you would need to provide the -base_cseq in the command line and set it to 0
This way the register cseq would be increamented by 1 ever time the register message is sent but would start from 1 for every new registration.
Hope that helps.
Regards,
Makarand
On 10/12/06, Jeff Ollier <
[EMAIL PROTECTED]> wrote:
Project: Register and make calls between 100+ SIP stationsI am having a problem registering the stations.I can now get one station to register, but not more than one.I believe the problem is the Call ID field, branch, and tag information does not increment.Here is the scenario:<?xml version="1.0" encoding="ISO-8859-1" ?>
<scenario name="register_answer">
<send>
<![CDATA[
REGISTER sip:10.0.60.1 SIP/2.0
Via: SIP/2.0/UDP 10.0.60.100:5060;branch=[branch]
From: <sip:[EMAIL PROTECTED]:5060>;tag=[call_number]
To: <sip:[EMAIL PROTECTED]:5060>
Call-ID: [call_id]
[$1]
CSeq: 1 REGISTER
Contact: <sip:[EMAIL PROTECTED]:5060>
Content-Length: 0
Expires: 3600
]]>
</send>
<nop><action><log message="sent REGISTER."/></action></nop><recv response="200" >
</recv>
<pause milliseconds="2000">
</pause>
<send>
<![CDATA[
REGISTER sip:10.0.60.1 SIP/2.0
Via: SIP/2.0/UDP 10.0.60.100:5060;branch=[branch]
From: <sip:[EMAIL PROTECTED]:5060>;tag=[call_number]
To: <sip:[EMAIL PROTECTED]:5060>
Call-ID: [call_id]
CSeq: 2 REGISTER
Contact: <sip:[EMAIL PROTECTED]:5060>
Content-Length: 0
Expires: 3600
]]>
</send>
<nop><action><log message="sent 2nd."/></action></nop>
<recv response="200" >
</recv>
<nop><action><log message="CALL OVER."/></action></nop>
</scenario>Jeff Ollier│Network Quality Control Engineer
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