The Acme Packet Session Director running on Linux (called Server Edition) works great for Enterprise SIP Trunking applications like what you're describing. It runs the same ACLI as the 3800/4500 (based on 6.3) and supports simplex or HA. On Apr 3, 2012, at 6:41 AM, Robert Dawson wrote:
Working with someone on SIP trunks for a Mitel 3300. The Mitel is sitting behind a NAT on a Cisco 3700 (i.e. no fixup/ALG) and inbound media is failing because the phones private IPs are being targeted directly in the SDP. Even if I force all media back to the NAT address it still fails because there is no translation for the phones.
Anyone know if there is a way to force the Mitel to proxy the media or have any insight into getting around this shy of putting a proxy at the customer site(which is what we should probably do anyway)?
Thanks, Rob
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