Hi fellows.<br><br>We are in trouble with this "deceitful" error. I mean, errors. Look at RURI. Our proxy receive this "thing". We have a number there! Sometimes, this number is shown within the word REGISTER, like that: "REGI:34846:STER". We can rewrite the URI, but Openser doesnt understand the method "REGI:34846:STER". Second error: Via header. The REGISTER is showing the NAT_DEVICE_IP instead UA_IP. And this VoIP isnt behind any VoIP device! So, "who" are changing it? "Who" can does it? Is possible that some "device" between UA and our proxy change the headers intentionaly?<br><br>This kind of problem had been happening some months ago and began at the same day to VoIPs were different regions of the country (Brazil). We would like to know with someone already has face it. <br><br>Thank you all.<br><br>Bruno Machado<br><br><br><br>U NAT_DEVICE_IP:50764 -> PROXY_IP:5060<br>REGISTER :50764sip:proxy.com.br SIP/2.0<br>Via: SIP/2.0/UDP
NAT_DEVICE_IP:50765;branch=z9hG4bK427600003ca00000<br>From: <sip:7011423@proxy.com.br>;tag=ab510000bf39ffff<br>To: <sip:7011423@proxy.com.br><br>Contact: *<br>Call-ID: 499effff9ff20000@192.168.1.5<br>CSeq: 100 REGISTER<br>Expires: 0<br>User-Agent: Grandstream HT386 1.0.3.17<br>Max-Forwards: 70<br>Allow: INVITE,ACK,CANCEL,BYE,NOTIFY,REFER,OPTIONS,INFO,SUBSCRIBE<br>Content-Length: 0<br><br>U PROXY_IP:5060 -> NAT_DEVICE_IP:50765<br>SIP/2.0 407 Proxy Authentication Required<br>Via: SIP/2.0/UDP NAT_DEVICE_IP:50765;branch=z9hG4bK427600003ca00000<br>From: <sip:7011423@proxy.com.br>;tag=ab510000bf39ffff<br>To: <sip:7011423@proxy.com.br>;tag=22aae43fbf528d3860ded8429db379db.546f..Call-ID: 499effff9ff20000@192.168.1.5<br>CSeq: 100 REGISTER<br>Proxy-Authenticate: Digest realm="proxy.com.br", nonce="44edfeda1fe71fa609e7599bf2513e999e3741dd"<br>Content-Length: 0<p> 
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