Network Delay - Meridian Nortel 1 Option 11C Technical Reference Manual

Record the memory requirements on "Worksheet D: Unprotected memory
calculations" on page 141 and "Worksheet E: Protected memory
calculations" on page 142.

Network Delay

There is some impact on real-time performance (estimated to be 20%) when
digital trunks are installed in IP Expansion cabinets. However, there is still
sufficient real-time to support five fully configured Option 11C cabinets in a
typical business configuration.
Table 8
Basic LAN Requirements for Excellent Voice Quality
LAN requirement
Packet loss rate
PDV jitter buffer (maximum)
Round trip Delay
PDV jitter buffer (minimum)
100BaseT/F Layer 2/Layer 3 switch
Memory, Storage and CPU capacity
Value for Excellent Voice Quality
<0.5%
RTD<5 ms
<5 ms
RTD<12 ms
Full Duplex connection
Option 11C and 11C Mini
Page 27 of 544
Technical Reference Guide