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VPN's as General rule work very well compared to NAT Translation. I have two remote offices with 5 Grandstream GXP2000 SIP Phones in each both with 1Mbit SDSL. I use Juniper Netscreen 5GT's to handle the interoffice VPN's using Route Based VPN. One thing I have noticed however is you cannot have a space in the sip peer name i.e 'Chris Teesdale' Would have to be 'ChrisTeesdale' for it too work.<BR>
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Regards<BR>
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Chris Teesdale<BR>
<B><FONT SIZE="2">I.T. Development</FONT></B><BR>
<B><FONT SIZE="4"><FONT COLOR="#940300">Philips®</FONT></FONT></B><BR>
<FONT SIZE="2">Tel : 01325 384394 ex 221</FONT><BR>
<FONT SIZE="2">Email : <A HREF="cjt@philips.org.uk">cjt@philips.org.uk</A></FONT><BR>
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On Wed, 2006-08-23 at 10:03 +0100, Simon Woodhead wrote:<BR>
<BLOCKQUOTE TYPE=CITE>
<FONT COLOR="#000000">We've done this with OpenVPN and it works fine. I'd recommend that the VPN server is not on the same box as Asterisk. Stick it on a firewall/gateway box giving access to the network containing the Asterisk boxes behind it. This way the Asterisk box(es) is seeing normal unencrypted traffic and the VPN server(s) can be specified to meet the VPN requirement. </FONT><BR>
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<BLOCKQUOTE TYPE=CITE>
<FONT COLOR="#000000">On 8/23/06, </FONT><FONT COLOR="#000000"><B>Joseph</B></FONT><FONT COLOR="#000000"> <<A HREF="mailto:syscon@interbaun.com">syscon@interbaun.com</A>> wrote:</FONT><BR>
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<FONT COLOR="#000000">Is anybody making calls over VPN? If so what is the "penalty" as</FONT><BR>
<FONT COLOR="#000000">encryption is involved.</FONT><BR>
<FONT COLOR="#000000">I was planning to use VPN to register Sipura units to my local asterisk</FONT><BR>
<FONT COLOR="#000000">this way I don't have to deal with NAT issues. </FONT><BR>
<BR>
<FONT COLOR="#000000">--</FONT><BR>
<FONT COLOR="#000000">#Joseph</FONT><BR>
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