Table 2-32 Minimum Bandwidth Requirements - NEC Univerge SV8100 Features And Specifications Manual

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For the minimum bandwidth requirements for each voice call refer to

Requirements on page

When an IP Soft Phone is connected, set Time Between Packets to 100ms.

The PZ-( )IPLA contains a regular TCP/RTP/IP stack that can handle real time media. The

PZ-( )IPLA daughter board is an end-point on the IP network from the network administration

perspective.

The CD-CP00-US uses SIP Protocol to provide telephony services between remote stations

through the IP Network. This is an IETF/ITU standards-based protocol.

Speech-connection audio quality depends greatly on the available bandwidth between the stations

in the data network. Because Internet is an uncontrolled data network compared to an Intranet,

using this application in Intranet WAN environment with known (or controlled and assured) Quality

of Service (QoS) is highly recommended.

The PZ-32IPLA requires three IP addresses, the PZ-64IPLA requires five IP addresses and the

PZ-128IPLA requires nine IP addresses.

An on-board RJ-45 connector provides a WAN/LAN connection. Voice and signaling data to/from

the IP Stations are converted into IP Frames and transmitted through the Data Communication IP

PZ-32IPLA supports a maximum of 32 VoIP connections, PZ-64IPLA supports a maximum of 64

VoIP connections, PZ-128IPLA supports a maximum of 128 VoIP connections.

Duplex mode (Auto, Full, or Half) and speed (10 or 100 mbps) are configured via SV8100 chassis

programming.

In voice communication, particularly Internet telephony, the Mean Opinion Score (MOS) provides a

numerical measure of the quality of human speech at the circuit destination. The scheme uses

subjective tests (opinionated scores) that are mathematically averaged to obtain a quantitative indicator

of the system performance. The maximum MOS is 5.0.

UNIVERGE SV8100 supports a 100 rel option and Session Timer option.

2-736. This includes all the overhead of VoIP communication, including

Table 2-32 Minimum Bandwidth Requirements

Packetization

UNIVERGE SV8100

Table 2-32 Minimum Bandwidth

Default Jitter

Buffer Delay

IP Single Line Telephone (SIP)