<html><head></head><body><div style="font-family: Verdana;font-size: 12.0px;"><div>Hi All,</div>
<div> </div>
<div>Can I use ZRTP as a backbone protocol to join two office PBXes (FreeSwitches) in different locations? I.e.:</div>
<div> </div>
<div>sipPhone1 (UDP, no security) -----> internalProfileFs1(UDP, no security) -------> externalProfileFs1(ZRTP) ------> Internet ------> externalProfileFs2(ZRTP) -------> internalProfileFs2(UDP, no security) -------> sipPhone2(UDP, no security)</div>
<div> </div>
<div>Thanks,</div>
<div>-Mike</div></div></body></html>