At 08:16 PM 12/18/03 +0000, Jim Dixon wrote: >What exactly do you mean by "peered IP telephony"? > >Voice telephony requires delays measured in tens of milliseconds. A bit >difficult if you also want encryption, anonymity, etc.
The problem handling the delay comes with the network, not the encryption. The encryption can be symmetric, and must be used in a mode that tolerates drops, but its not a big cost when sending 8kbytes/sec.
