I am glad to hear that upgrading the zaptel to the newest version solves most of the issue.. unfortunately it did not solve one at one of my customer sites. Network card and Digium card were sharing IRQs. <br><br>I do not claim to be an expert on hardware... I have someone else who works with me who is my 'hardware guy'... but my understand is PCI-e can handle alot more throughput on many more channels then PCI-x can.. thus allowing fewer IRQ-misses.
<br><br>For instance on a Dell 2950 the Digium card shares the IRQ with all other network cards....<br>However, with a Sangoma card.. the Dell BioS throws the Sangoma card onto another IRQ :)<br>