NEC UNIVERGE NEAX 2000 IPS Reference Manual page 248

Chapter 13 Voice Over IP (VoIP)
Automatic Program Download for IP Enabled Dterm
This feature provides the method to download the latest firmware program of IP Enabled Dterm from
the FTP/TFTP server automatically by system programming. The following three patterns of program
download are available.
Program Download at Appointed Time
Program Download at Login Time
Program Download for Designated Terminals
Service Conditions
1. Up to 956 IP terminals can be accommodated per system.
2. Total number of ports for IP terminals, legacy stations/trunks (except for AP cards) and IP PADs is
up to 1020 per system. See chapter 1 for capacities of stand alone and network configurations.
:
Note Legacy stations/trunks means the ones connected to the Time Division Switch (TDSW). Examples of
legacy station/trunk cards are LC, DLC, COT, PRT, CCT, DTI, 8RST (DTMF receivers), CFTB (Conference
trunk), etc.
3. IP terminals are accommodated in the Virtual PIM's (Virtual FPs) so that the hardware-PIM's are
not required to accommodate IP Enabled Dterm terminals. The Virtual PIM is software-defined PIM
used for data assignment for IP Enabled Dterm terminals and Virtual IP trunks (for CCIS
Networking via IP). Maximum nine (15) Virtual PIM's are provided per system. Total number of the
Virtual PIM's (for IP terminals) and hardware-PIM's is up to 16 per system.
4. Minimum one hardware-PIM is required per system to accommodate the MP card. The number of
hardware- PIM's depends on the number of legacy stations/trunks and IP-PADs.
hardware-PIM's (128 LT ports) can be controlled by the MP without the addition of an FP card. With
three FP cards, up to eight hardware-PIM's (512 LT ports) can be controlled [One FP card controls
up to two hardware- PIM's (128 LT ports)].
5. The IP-PAD is required for connections between IP terminals and legacy stations/trunks. The IP-
PAD converts voice packet data to PCM signals. The number of IP-PADs depends on the traffic
volume of those connections. Up to eight IP-PADs can be accommodated per system, thus
providing 256 channels. Up to two IP-PADs can be controlled by the MP without FP cards, and
additional IP-PADs can be controlled by the FP cards (two IP-PADs per FP card).
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