<html><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:18pt"><div><span>Hi all...</span></div><div style="color: rgb(0, 0, 0); font-size: 24.44444465637207px; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; background-color: transparent; font-style: normal;"><span><br></span></div><div style="color: rgb(0, 0, 0); font-size: 24.44444465637207px; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; background-color: transparent; font-style: normal;"><span>I am trying to do file transfer between IMS clients (web-based WebRTC and android RCS native client). The fisrt test scenario is browser-to-browser (WebRTC) using JSSIP stack. The second scenario is RCS-to-Broswer or Browser-to-RCS. My testbed consists of OpenIMS and OverSIP for WebRTC clients and Kamailio MSRP Relay
for file transfer</span></div><div style="color: rgb(0, 0, 0); font-size: 24.44444465637207px; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; background-color: transparent; font-style: normal;"><span><br></span></div><div style="color: rgb(0, 0, 0); font-size: 24.44444465637207px; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; background-color: transparent; font-style: normal;"><span>For file transfer I am using the msrp-crocodile library...</span></div><div style="color: rgb(0, 0, 0); font-size: 24.44444465637207px; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; background-color: transparent; font-style: normal;"><span><br></span></div><div style="color: rgb(0, 0, 0); font-size: 24.44444465637207px; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; background-color:
transparent; font-style: normal;">The scenario <span style="font-size: 18pt;"> </span><span style="font-size: 18pt;">browser-to-browser works so far without problems. But in the second scenario I have the following problems:</span></div><div style="color: rgb(0, 0, 0); font-size: 18pt; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; background-color: transparent; font-style: normal;"><br></div><div style="background-color: transparent; color: rgb(0, 0, 0); font-size: 24.44444465637207px; font-style: normal; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif;"><ul style="font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif;"><li>When I try to transfer a file from the RCS client to WebRTC client , kamailio sends the message "<span style="font-family: verdana, helvetica, sans-serif;">error ""481", "Session-does-not-exist",
however the file is sent, when I click send for the second time...</span></li><li><span style="font-family: verdana, helvetica, sans-serif;">When I try to send a file from WebRTC client to RCS client, WebRTC client sends all file chunks to kamailio, kamailio receives the chunks but it does</span><span style="font-family: verdana, helvetica, sans-serif; background-color: transparent;">n't forward them to the RCS client, in the console I see some errors pointed to the configuration file, however I don't know what exactly the problem is. In the attachment please find the logs and the configuration file of the kamailio msrp relay...</span></li></ul><div><span style="font-family: verdana, helvetica, sans-serif;">Can any one help me to solve this problem or give me useful hints?</span></div><div><span style="font-family: verdana, helvetica, sans-serif;"><br></span></div><div style="font-family: HelveticaNeue, 'Helvetica
Neue', Helvetica, Arial, 'Lucida Grande', sans-serif;"><span style="font-family: verdana, helvetica, sans-serif;">Thanks a lot in advance....</span></div><div style="font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif;"><span style="font-family: verdana, helvetica, sans-serif;"><br></span></div><div style="font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif;"><span style="font-family: verdana, helvetica, sans-serif;"><br></span></div></div><div style="color: rgb(0, 0, 0); font-size: 18pt; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; background-color: transparent; font-style: normal;">Medo</div></div></body></html>