Nortel Express Installation Manual page 13

Features
Introduction
The Voice Services card provides functionality to implement Call Center Front
Ending and Announcements for Symposium Express Call Center Release 3.0.
The Voice Services card appears to the switch as an Extended Digital Line Card
(XDLC) with up to 24 sets attached. These sets must be configured as M2616
sets. The Voice Services card has an on-board Digital Signal Processor (DSP),
which provides 8 ports for playback and recording of prompts.
The Voice Services card includes the following features:
• call recording application software pre-installed on the card. You can
upgrade the software at any time. For more information about upgrading
software, see "To upgrade the loadware" on page 28.
• 8 on-board DSP ports
• 48 Mbytes of voice prompt storage
• 16 Mbytes of RAM. You can increase the RAM capacity to 32 Mbytes by
purchasing an additional memory card.
You can increase DSP capacity by adding 2 DSP cards, each providing an extra
8 ports, increasing the total number of ports to 24.
Figure 1 shows the Voice Services card. Refer to Figure 1 when performing any
of the procedures outlined in this section.