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78 Avaya Application Solutions IP Telephony Deployment Guide
- emergency transfer
● An optional TN2302AP IP Media Processor if you run the optional embedded messaging
(IA770) or run IP telephones. When running IP telephones, the TN2302AP interfaces
between the Time Division Multiplex (TDM) bus and the IP network.
The S8400 Server uses a solid state drive and a hard disk drive to:
● run Avaya Communication Manager
● hold translations
● function as the primary storage device
The solid state drive and CD/DVD-ROM drive each can be configured as a bootable device.
The boot sequence is as follows:
1. USB CD/DVD-ROM drive when you install it
2. Solid state drive
Communication between the S8400 and the TN8412AP is by IP link. The S8400 has an
Ethernet NIC for the TN8412AP control link. You can connect this link by an external switch or
point-to-point by a single Ethernet crossover cable. The TN8412AP has a single Ethernet
interface for control.
The optional IA770 integrated messaging supports the equivalent of 8 ports of voice messaging
simultaneously, and up to 450 light duty users. An external messaging system if more than 450
users are required or where the 450 users are "exceptionally heavy users." The exceptionally
heavy users are defined as users who require more than 4.5 disk minutes/user/day or 10 port
minutes/user/day. The following items are optional for all S8400 controlled systems:
● A TN799DP Control-LAN (C-LAN) circuit pack for the firmware download
● A TN2302AP IP Media Processor circuit pack might be needed to provide conversion
between TDM and IP for all IP-based voice mail solution (IA770) and IP telephony. Up to 8
ports of the TN2302AP can be utilized by the IA770 integrated messaging option and the
remaining ports may be used to support IP telephony systems.
● The S8400 generally uses the IA770 voice mail product that is an all IP solution and
co-resides on the circuit pack. IA770 is a VoIP based integrated messaging option that
requires up to 8 ports of VoIP resources.
● Customers provide an Ethernet switch if it is required.
● A TN771 Maintenance/Test circuit pack when:
- There are 3 or more G650, G600, or CMC1 cabinets (G150 and H.248 gateways should
not be included in this count) in the S8400 system, and
- There are IP or ISDN endpoints (BRI and PRI trunks and BRI stations)