Nortel BCM 3.7, Manual

Page: 620 / 1004

620 Determining the MSC resources you require
N0008589 3.3
IVR and IVR Fax
7 What is the maximum number of IVR ports required? IVR ports are used for interactive voice
response applications.
The range is 0 to 24 ports.
For each voicemail port:
• add 1 to the signaling channel count
• add 1 to the media channel count
8 What is the number of IVR ports required during peak periods?
The range is 0 to the maximum number of ports selected in question 7.
For each voicemail port
• add 1 to the voice bus path count
• add 1 to the DSP resource unit count
9 How many fax tasks will be used during peak periods?
The range is 0 to 8.
For each fax task:
• add 6 to the DSP resource unit count
IP telephones
10 What is the maximum number of IP telephones required?
The range is 0 to 90 IP telephones.
For each IP telephone:
• add 1 to the signaling channel count
11
How many IP telephones will be calling an analog or digital telephone or using a PSTN trunk
during peak periods?
The range is 0 to the maximum number of IP telephones selected in question 10.
For each IP telephone:
• add 1 to the media channel count
• add 1 to the voice bus path count
Note: The maximum number of voice ports shared between voice mail and IVR is 32.
The maximum number of ports shared between voice mail, IVR and T.38 IP Fax
is 8. There are only 2 fax ports.
Note: The fax DSP resource unit count is rounded to ease calculations. For a more
accurate DSP resource unit count, refer to the table in “DSP resources rules” on page
617 .