NEC UNIVERGE NEAX 2000 IPS - Manual (Page 61)

Chapter 3 System Highlights
UNIVERGE NEAX 2000 IPS Request For Proposal (RFP) Reference Guide Page 3-13
Issue 6
Number of Voice Channels per IP Trunk
The maximum voice channels per IP Trunk card depends on the payload size as follows (payload size
can be assigned in system programming):
CCIS (Point-to-Multipoint)
Payload Size G.729a G.711 G.723.1
20 ms 8 Channel 8 Channel ------
30 ms 16 Channel 16 Channel 16 Channel
40 ms 16 Channel 16 Channel ------
VoIP (H.323)
Payload Size G.729a G.711 G.723.1
20 ms 6 Channel 5 Channel ---
30 ms 8 Channel 7 Channel 8 Channel
40 ms 12 Channel 10 Channel ---
Payload size for Virtual IPT
Max. Voice Channels Per IPT
Payload Size
G.729a G.711 G.723.1
10 ms. 4 4 –
20 ms. 8 8 –
30 ms. 16 16 16
40 ms. 16 16 –