RE: [Serusers] multiple SIPURA behind same NAT

If I had a guess I would say either the NAT or rtp/media proxy is getting confused about which client is which. Ignoring the problem for a second, can both sipura's make calls at the same time? Are you using NAThelper for this with SER? You mentioned "without proxy", this would mean port forwarding? Try this, make each sipura use a diff range of RTP ports (in their config). Matt -----Original Message----- From: Raymond Chen [mailto:rchen@cityabove.net] Sent: Monday, January 17, 2005 12:25 PM To: serusers(a)lists.iptel.org Subject: [Serusers] multiple SIPURA behind same NAT Dear all, I have two sipura box behind NAT. both use via header and can dial out and received calls without proxy. but they have no voice when they call to each other, any idea? Raymond