Ip Station - NEC NEAX 2000 IPS Reference Manual

Chapter 13 Voice Over IP (VoIP)
11. Maximum number of voice channels per IP-PAD card depends on the payload size as follows.
8IPLA/24IPLA
Payload Size
10 ms
20 ms
30 ms
40 ms
12. Following parameters can be assigned on a Location basis. The Location is a kind of group (similar
to Tenant in a PBX) that is defined for bandwidth management and parameter settings for LAN traffic
based on the location of IP terminals. Maximum 64 Location numbers can be assigned per system.
Type of Codec selection list
Type of Service (ToS)
PAD control pattern
Echo canceller-ON/OFF
13. When the IP adapter unit is attached with a D
(except for AD/DC adapter unit) cannot be attached with the D
14. Dynamic Host Configuration Protocol (DHCP) cannot be used to assign an IP address to an MP.
15. Login is restricted in following conditions.
When designating a non-existent station number.
("Unregistered" is displayed on the LCD.)
When designating a station number that is not assigned to Multiline Terminal.
("Illegal LEN" is displayed on the LCD.)
16. Logout should be allowed by a station class of service. If not allowed, reorder tone will be heard
and "Restrict" will be displayed on the LCD.
17. Intranet to support Quality of Service (QoS) is preferable to connect IP Stations, to reduce the
delay of connection and voice, and the inferior grade of voice quality.
18. IP Stations operate on 10 Mbps or 100 Mbps LAN based on IEEE 802. (100Mbps LAN is
recommended.)
19. IP Stations support Dynamic Host Configuration Protocol (DHCP). (External DHCP server is
required.)
20. Network-based DRS (external DRS) 3.0 is not supported.
21. Switching hub(s) are required.
22. Spanning Tree (IEEE 802.1d) function is not available.
23. LACP (Link Aggregation Control Protocol, IEEE 802.3ad) function is not available.
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Maximum Voice Channels per IP-PAD Card (8IPLA/24IPLA)
G.711
20
32
32
32
Options Per Location
Diffserve
Setting Area/Country
IP-PAD Group number
Usable Bandwidth
G.729a G.723.1
20
32
32 24
32
Operation when over usable bandwidth
threshold.
Jitter buffer
term
Series E/Series i terminal, other optional adapters
term
Series E/Series i terminal.
NEAX 2000 IPS Request for Proposal (RFP) Reference Guide
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NDA-24349, Issue 4