On Tue, 29 May 2001, Rafi Sadowsky wrote:
Hi
Sorry about the previous (content free :-( ) Email May I suggest reading (and following links from)
<http://www.cisco.com/warp/public/788/voice-qos/voip-mlppp.html>
(Scanning for "cRTP" & "Interleaving" should be useful)
Ya, it is funny because cisco was one of the authors of CRTP (RFC 2508) and they don't comply with the RFC on any of their products. CRTP is great, but frankly it does not help at all without other changes. Lets say we have 10 ms sample of G.726 that is 40 bytes + 2 byte CRTP header + 8 byte AAL5, we are still at two cells and just have more space for padding. What I am doing is changing the frame size to odd sizes like 9.5 ms giving me a 38 byte payload + 2 byte CRTP + 8 byte AAL5, fits in one ATM cell. -Nathan