Meridian America 61 Manual De Usuario
3-14
guidelines
Step 5:
Calculate DTR requirements
Once station and trunk requirements have been determined for the complete
system, the
Receiver
requirements can be calculated. DTR
are shared by all customers in the system and should be distributed equally
over all the network loops.
Tables 6-3 through 6-6 (at the end of this document) are based on models of
PBX traffic environments and can be applied to determine DTR needs in
PBX traffic environments and can be applied to determine DTR needs in
most cases. When the system being provisioned does not fall within the
bounds of these models or is equipped with any special features, the detailed
calculations must be performed for each feature and
calculations must be performed for each feature and
number of
receivers must
the highest result.
Some special features are:
Centralized Attendant Service (CAS)
Direct Inward System Access (DISA)
Authorization Code
Charge Account for Call Detail Recording (CDR)
Integrated Message Service (IMS)
Note:
Refer to the section “Feature calculations” for more information
on the above features.
System engineering 553-3001-151