Try it without "optimize audio" on. I had a situation like this for outgoing calls with GizmoProject--and it cut off at roughly the exact same point (20 seconds), and it corrected itself when I set optimize audio to no.
Although if even *500 voicemail cuts off, then that perhaps would not fix it. Sorry, I don't know what to try next, other than playing with settings. I am in Canada, where I don't have to deal with aggressive attempts by my ISP to prevent SIP/Voip.
Last edited by ctylor; 04-30-2008 at 08:35 PM.
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