The required DSP Resources are calculated using the following values
Service/Feature
Trunk (G.729)
Trunk (G.711)
Legacy Trunk (ISDN/Analogue)
Extension (G.729)
Extension (G.711)
IP-CS (G.729)
IP-CS (G.711)
Unified Messaging (UM) *1
2-Way Recording *2
OGM
Conferencing
*1 This does not include the DSP cost of the IP-PT/Trunk using the UM Service.
*2 Two-Way recording also requires a Conference Trunk
1.3 DSP Resource Usage (1)
Required DSP Resource
2.2
1
1
2.2
1
2.2
2
1.3
2.3
2
0.5