NEC Univerge SV8100 Features And Specifications Manual page 1750

Issue 7.0
The number of speech path channels on the CD-CP00-US (CPU) for the VM8000 (In Mail)

and the VRS feature are shared and depends if the PZ-ME50 daughter board is installed.
Without a PZ-ME50 daughter board installed the systems supports a maximum of eight

channels for VRS and/or In-Mail.
With a PZ-ME50 daughter board installed, the system supports a maximum of 16 channels for

VRS and/or In-Mail. The maximum number of channels supported for In-Mail is eight.
Default Setting
Disabled
System Availability
Terminals
None
Required Component(s)
CP00 with PZ-VM21 Daughter Board, VM8000 InMail CompactFlash and CPU License for VRS
Related Features
Transfer
2 - 1722
UNIVERGE SV8100
Voice Response System (VRS)