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MultiVOIP User Guide Operation & Maintenance
273
IP Statistics: Field Definitions
Field
Name
Values Description
UDP versus TCP (continued).
Both TCP and UDP split data into
packets called “datagrams.” However,
TCP includes extra headers in the
datagram to enable retransmission of
lost packets and reassembly of packets
into their correct order if they arrive out
of order. UDP does not provide this.
Lost UDP packets are unretrievable;
that is, out-of-order UDP packets
cannot be reconstituted in their proper
order..
Despite these obvious disadvantages,
UDP packets can be transmitted much
faster than TCP packets -- as much as
three times faster. In certain
applications, like audio and video data
transmission, the need for high speed
outweighs the need for verified data
integrity. Sound or pictures often
remain intelligible despite a certain
amount of lost or disordered data
packets (which appear as static).
IP
Address
n.n.n.n
0 - 255
IP address of the MultiVOIP. For an IP
address to be displayed here, the
MultiVOIP must have DHCP enabled.
Its IP address, in such a case, is
assigned by the DHCP server.
“Clear”
button
-- Clears packet tallies from memory.
Total Packets Sum of data packets of all types.
Transmit
ted
integer
value
Total number of packets transmitted by
this VOIP gateway since the last
“clearing” or resetting of the counter
within the MultiVOIP software.
Received integer
value
Total number of packets received by this
VOIP gateway since the last “clearing” or
resetting of the counter within the
MultiVOIP software.