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Some virtualization pros laud Avaya's embrace of virtualization support in its unified communications server. But skeptics say the Xen-based platform is a nonstarter without VMware support.
Our IP telephony expert details the differences between IP phones and digital phones, identifying their unique capabilities and noting the tasks for which each are best suited.
The networking vendor's CallManager update extends encryption to IP phones, offering a VoIP security option that resembles traditional distributed computing environments.