[Serusers] server error

My SER is giving this error: 2(17923) ERROR: parse_uri: bad port in uri (error at char : in state 8) parsed: <sip:218440118@193.137.195.228:1720>(34) /<sip:218440118@193.137.195.228:1720:5060;user=phone> (50) 2(17923) ERROR: parse_sip_msg_uri: bad uri <sip:218440118@193.137.195.228:1720:5060;user=phone> 2(17923) ERROR: new_t: uri invalid 2(17923) ERROR: t_newtran: new_t failed 2(17923) ERROR: sl_reply_error used: I'm terribly sorry, server error occurred (1/SL) Im using RTPproxy to help nated clients... does someone knows wats the problem? Im using a client called "ilevo" and its a ADSL router that works with the electrical network. Thanks regards Joao Pereira