NEC Univerge SV9100 Manual page 347

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SIP Trunking

The UNIVERGE SV9100 IP Trunk SIP package sends the real time voice over the

corporate LAN or WAN. The voice from the telephone is digitized and then put into

frames to be sent over a network using Internet protocol.

With the SV9100 you can have two SIP Profiles allowing you to connect to two

different SIP Carries, or allow you to have a SIP System Interconnection and

connection to a SIP Carrier.

Using VoIP equipment at a gateway (a network point that acts as an entrance to

another network), the packetized voice transmissions from users in the company are

received and routed to other parts of the company Intranet (local area or wide area

network) or they can be sent over the Internet using CO lines to another gateway.

The GPZ-IPLE Daughter Board interface can provide IP trunks and Tie Lines that

can operate in the following modes:

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

the GPZ-IPLE - SIP can be configured to use any of the following voice

compressions:

For a list of vendors that have successfully completed interoperability certification go

http://www.necntac.com

SV9100 Networking Manual

G.711 u/A-Law – Highest Bandwidth

G.729 (a) – Most often used

The LAN/WAN or Internet connection is provided by a 10 Base-T/100 Base-TX

and refer to Technical Documentation.