[Serusers] ser-0.12 with rtpproxy not working properly

hello friends i am trying to establish a call between two private ips A,B both can able to register but it i could able to call from only one private ip phone A to another private ip phone B not in vice versa . voice could be able to listen in both sides in ethereal report what i got is **************************************************** ****************************************************** in debug mode ser is showing this messages while calling from one 214103(a)202.*.*.19 to 215104(a)202.*.*.19 ****************************************************** *******************************************************y ser.cfg is like this ******************************************************* ******************************************************* __________________________________ Do you Yahoo!? New and Improved Yahoo! Mail - 100MB free storage! http://promotions.yahoo.com/new_mail