The NEC SV8100 Voice Compression Card (32-channels) PZ-32IPLB is a 32 channel VoIP Daughter Board and is installed on the CPU and provides the voice (RTP/RTCP) processing function.
This card is used for converting the RTP (Real Time Transfer Protocol) packets via the IP network and PCM highway.
Note: Maximum (1) VoIP Daughter Board (any size) per system. Also requires licenses for IP Trunks and IP Terminals.
SV8100 Phone System Brochures: