Filter
Top Products
Avaya Modular Messaging Concepts and Planning Guide
13-22 November 2004
Avaya Modular Messaging Concepts and
Planning Guide
Port requirement planning
The calculator in Table 13-9 provides information for planning port
requirement for a Modular Messaging—MSS system.
Table 13-9. Modular Messaging—MSS port requirements planning
Feature using ports
AHT
%
capable
frequency/day/
user
% busy
hour
Seconds
/Day
Erlangs
CCS
Per Subscriber
Call Answer 35 100% 2.000 14.0 70.00 0.02 0.70
Fax Answer 5 100% 0.050 14.0 0.25 0.00 0.00
Fax Inbound 120 100% 0.050 14.0 6.00 0.00 0.06
Fax Outbound 120 100% 0.025 14.0 3.00 0.00 0.03
Automated
Attendant
20 100% 3.000 14.0 60.00 0.02 0.60
Caller App 1 60 100% 0.250 10.0 15.00 0.00 0.15
Caller App 2 30 100% 2.000 14.0 60.00 0.02 0.60
Caller App 3 120 100% 0.100 10.0 12.00 0.00 0.12
Call Me 180 20% 2.000 5.0 72.00 0.02 0.72
Find Me - Calling
Party
120 10% 6.000 5.0 72.00 0.02 0.72
Find Me - Called
Party
300 10% 3.000 5.0 90.00 0.03 0.90
TUI Access 180 100% 3.000 14.0 540.00 0.15 5.40
Client Access/Dual
Connect
60 30% 3.000 14.0 54.00 0.02 0.54
Record (e.g.
conference calls)
2,700 100% 0.001 10.0 2.70 0.00 0.03
Total / Day 1,056.95 0.29 10.57
Total / Busy Hour 11.9 125.73 0.03 1.26
Per System (5,000 subscribers)
Total / Day 5,284,750 1,467.99 52,847.50