Hi All, I have no experience with VOIP or SIP, but I am a *nix networking admin for some years now and I would like to get into working with SIP etc... I have installed asterisk and configured it to run with 2 software phones. This works fine, and I can chat between 2 client machines in our office. Please can anyone point me to any documentation about how to use authentication to stop unauthorised registration, and how to set up proxies. My setup currently looks like this: Desktop machine ===> astersik server ===> desktop machine and works fine, but I need to expand the setup to calls could be made in either direction, with a setup like this: desktop machine ===> asterisk ===> iptables fw ===> router ===> internet ===> router ===> iptables fw ===> desktop machine obviously this will need some sort of proxy but I have no idea where to start. Last thing (phew :) I am constantly getting warnings on the console, but I don't know if I need to worry about them or not: 2005-02-24 15:23:13 WARNING[9750]: chan_sip.c:694 retans_pkt: Maximum retries exceeded on call a42d...53f@192.168.12.253 for sqno 102 (non-critical request) I have googled and search the documentation, but I am afraid it is very sparse... Many thanks in advance Mat Harrison -- Before making criticism, try to walk a mile in their shoes....that way when you do criticise them, you will be a mile away and wearing their shoes :) Never knock on Death's door : ring the doorbell and run (he hates that). -------------- next part -------------- A non-text attachment was scrubbed... Name: not available Type: application/pgp-signature Size: 189 bytes Desc: not available Url : http://lists.digium.com/pipermail/asterisk-users/attachments/20050224/e587952b/attachment.pgp