NEC NEAX NDA-24349 - Manual (Page 276)

Chapter 13 Voice Over IP (VoIP)
Page 13- 18 NEAX 2000 IPS Request for Proposal (RFP) Reference Guide
NDA-24349, Issue 4
H.323 Connection
VoIP or Voice over IP allows the system to transmit voice conversations over a corporate
Intranet using ITU-T H.323 protocol. For D
term IP-to-D term IP connection via the IP network with
H.323 protocol, the IPT card and IP-PAD card are required to transmit and receive the control
signal and voice data. For voice compression, the 16VCT card and 4VCT card are required.
For Legacy terminal connection via the IP network with H.323 protocol, the IPT card is
required.