Voice Over Internet Protocol (Voip) - NEC Xen IPK Features & Specifications Manual

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Voice Over Internet

Protocol (VoIP)

Features and Specifications Manual

Voice Over IP sends the real time voice/fax over the corporate LAN or

WAN. The voice from the telephone is digitised and then put into packets to

be sent over a network using Internet protocol.

Savings in the telephony charges for calls between two KTSs and using the

LAN/WAN infrastructure to its full capacity are advantages in having VoIP

for the Xen IPK system.

The IPT(4)/(8)-U( ) ETU is an optional interface that can combine trunk

and Tie line calls into Gateway trunks that can operate in the following

operating modes:

Depending on the requirements and resource allocation in the LAN/WAN/

Internet, the IPT(4)/(8)-U( ) ETU can be configured to use any of the

following voice compressions:

G.711 A-Law — 64k Bandwidth

G.723 — 5.3k/6.3k Bandwidth

G.729(a) — 8k Bandwidth

The IPT(4)/(8)-U( ) ETU is assigned as a two-port TLI(2)-U( ) ETU, four-

port DID(4)/COI(4)/COID(4)-U( ) ETU, or an eight-port COI(8)/COID(8)-

U( ) ETU and can be installed in any interface slot. The LAN/WAN or

internet connection is provided by a 10/100 Base T Ethernet.

The ETU operating mode can be configured per ETU, but not per port.