<div dir="ltr"><div>We've encountered something like this before and it ended up being a NAT issue. Users could receive calls from the server they are registered to because the registration would open a pinhole in their router. However, they could not receive calls from the other instance (no pinhole). We couldn't find a way around this.</div><div><br></div><div>I'm not sure if this is your same issue, but maybe this will help debug.</div><br clear="all"><div><div class="gmail_signature"><div dir="ltr">Regards,<div>Lyle Pratt</div></div></div></div>
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