ITG Engineering Guidelines Page 99 of
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ITG Trunk 2.0 ISDN Signaling Link (ISL) Description, Installation and Operation
Assuming that the preferred codec to handle VoIP calls in this network is
G729 Annex AB.
Table 16 summarizes the WAN traffic in kbit/s for each route. Note that the
recommended incremental bandwidth requirement is included in the column
adjusted for 30% traffic peaking in busy hour
.
Table 15
Example: Determine ITG card requirements
ITG Site Traffic in CCS ITG Ports ITG Cards
Santa Clara 120 9 1
Richardson 115 9 1
Ottawa 98 8 1
Tokyo 53 6 1