[Users] Wrong URI in REGISTER

[Bruno Machado]

Hi fellows
 
 Our proxy is receiving some REGISTERs with wrong URI. The SOURCE PORT is inserted in it (the same number or incremented by 1). Our customers use Grandstream HT 486, 487. This problems is happening with 10 of them. This error happens just in REGISTER messages. If these customers make a call, they will talk without any problems. I can say this error isnt belong to a firmware version:  some customers use the most new version and others of them use another. Did anybody already see this behavior? 
 
 
 (running ngrep in SIP Proxy)
 
 U 201.58.X.Y:50142 -> IP_PROXY:5060
 
 REGISTER si:50143p:domain_proxy.com.br SIP/2.0
 Via: SIP/2.0/UDP 201.58.X.Y:50143;branch=z9hG4bKc5d3893e4a5ca0b6
 From: <sip:3101 at domain_proxy.com.br>;tag=148c0dd3bf6183fe
 To: <sip:3101 at domain_proxy.com.br>
 Contact: *
 Call-ID: e72069564c2a8e01 at 10.1.1.4..CSeq: 11609 REGISTER
 Expires: 0
 User-Agent: Grandstream HT487 1.0.6.7
 Max-Forwards: 70
 Allow: INVITE,ACK,CANCEL,BYE,NOTIFY,REFER,OPTIONS,INFO,SUBSCRIBE
 Content-Length: 0
 
 
		
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