Dear Kamailio'ns,
I am working on kamailio Server (V 4.0) installed on Ubuntu 12.04 system. Currently i am trying file transfer feature using IMSDroid SIP clients. file transferring is fine between two IMSDroid clients but at the receiving end (file recipient) i cont see the sender identity/ sender name. it is just displaying as 'null' (Screen shot is attached). But the full file is transferring to destination address without any problem.
I have configured MSRP module related script in my kamailio configuration file (find the attachment). but i guess it is not invoking anyway when file transferring and the file transferring is negotiating client-to-client basis.
And also find Sip capture of file transfer (ngrep based) for better understanding.
What could be the problem? Why at the file recipient side it is not displaying sender's identity (instead it is 'null')? how can i resolve this issue?
Anyone please help me in resolving this issue. Any help will greatly appreciate.
Regards, Ravi.
Dear Friends,
Anybody please have a look into this issue. Really i want somebody to help me in resolving this problem.
Regards, Ravi
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Ravi, File name is clearly carried in SIP INVITE 'a=file-selector:name:"IMAG0027-1.jpg"'. There must be something wrong with the clients themselves.
Please debug the client's code.
Regards, Prasun
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Dear Prasun,
Thank you for the reply,
Ya i will try your suggestion. But as i said why this MSRP module's script is not invoking in File transfering (which suppose to be happen for session mode IM and File transfer as i know) ? Is there any scope to do some thing in kamailio configuration file, like forcing/rewriting sender identity towards destination client ?
PS: And Presence is also not sharing between the clients even though there is Presence an XCAP related script in the Kamailio config file.
Awaiting your reply,
Regards, Ravi
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Ravi, Looks like your client is either not configured to use relay or it doesn't support relay!!
check if the client you are using supports msrp relay extension (rfc 4976). And if it does then you need to configure it's ip:port properly at your client side too.
If you configured it properly then network message flow must resemble the sequence diagram shown here http://msrprelay.org/projects/msrprelay/wiki/MSRPRelayScenarios.
Also you would notice your INVITE contains two space separated path nodes instead of one "a=path:msrp://192.168.2.52:51334/970107926;tcp"
Regards, Prasun
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Dear Prasun,
Thank you for the reply,
And sorry for late response, I was stuck in some personal issues.
I am using IMSDroid clients in my Set-up. As per its documentation page IMSdroid clients support MSRP based File transfers and chat. (but i dont think it is compatible with RFC4976).
And as you said, INVITE message contains two space separated path nodes instead of one, like below: "a=path:msrp://192.168.2.52:51334/970107926;tcp"
But Whats wrong with the above line ? if it is so how can i resolve this?
Anyhow file transfer in my case is RFC 4975 based (i.e client-to-client), i mean to say msrp route block in my kamailio config file is not invoking for file transfers.
Anything can be done in kamailio config file ?
Please suggest me to get clarify these things
Your help will meant a lot for me.
Thanks in advance,
Regards, Ravi.
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Hi Ravi, This is manjusha...Would like to get few info from you;Please kindly respond me back asap.
1.Were you able to achieve file transfer from client1 ->MSRP MODULE->Client2?
2.If so,how would i configure msrp module stand alone for file transfer.
I have Kamailio 4.2.3 IMS server setup,now short term goal is to achieve file transfer via, Kamailio IMS or MSRP module.Please kindly let me know the steps to be followed to achieve it. or Email @ amanju0211@gmail.com
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