<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Hi,<div><br></div><div>I just started trying to work with freeswitch using the FS 1.06 book( although I am running FS ver 1.2.6+git.) , FS cookbook,, and wiki. </div><div><br></div><div>I and have a question regarding NAT traversal. </div><div><br></div><div>I have been stuck trying to get phones to register and be able to call each other using ext 1000 to 1002 for example. I couldn't get the phones to register until I read an archive regarding polycom NAT issues.</div><div><br></div><div>The freeswitch server I'm connecting to is hosted on a remote public IP. I'm using a polycom 335, grandstream xpx 2020, and an x-lite client on a Local 192 network. </div><div><br></div><div>The below settings seem to have fixed my registration issue.</div><div><br></div><div>Is there a reason that I would NOT set the parameter settings in sip_profiles/internal.xml to true:</div><div><br></div><div><div><!-- use at your own risk or if you know what this does.--></div><div> <param name="NDLB-force-rport" value="true"/></div></div><div><br></div><div><br></div><div><br></div><div>and to add the variable "sip-force-contact" for each user in directory/default/1000.xml - 1019.xml ? </div><div><br></div><div></div><div><div><include></div><div> <user id="1000"></div><div> <params></div><div> <param name="password" value="$${default_password}"/></div><div> <param name="vm-password" value="1000"/></div><div> </params></div><div> <variables></div><div> <variable name="sip-force-contact" value="NDLB-connectile-dysfunction"/></div><div> <variable name="toll_allow" value="domestic,international,local"/></div><div> <variable name="accountcode" value="1000"/></div><div> <variable name="user_context" value="default"/></div><div> <variable name="effective_caller_id_name" value="Extension 1000"/></div><div> <variable name="effective_caller_id_number" value="1000"/></div><div> <variable name="outbound_caller_id_name" value="$${outbound_caller_name}"/></div><div> <variable name="outbound_caller_id_number" value="$${outbound_caller_id}"/></div><div> <variable name="callgroup" value="techsupport"/></div><div> </variables></div><div> </user></div><div></include></div></div><div><br></div><div>Sorry if this has been gone over, but I'm not sure if there is something I'm missing because the wiki ( <a href="http://wiki.freeswitch.org/wiki/NAT">http://wiki.freeswitch.org/wiki/NAT</a> ) says "NAT just works" and the internal.xml file says "<!-- use at your own risk or if you know what this does.-->"...</div><div><br></div><div>Thanks for any clarity you can provide,</div><div><br></div><div>Geo</div></body></html>