systems and methods are disclosed for transporting multimedia protocol traffic over a proxy server using a commonly - used proxy protocol . multimedia protocol traffic from a first endpoint is received and then converted . the converted data is then transmitted using a commonly - used protocol across a network . the traffic is received and reconverted to the original multimedia protocol . the reconverted data is then transmitted to a second endpoint . by using a commonly - used protocol to transmit traffic between endpoints , proxy servers between each endpoint may be traversed without changing any of their settings .