Avaya IP Line Bedienungsanleitung Seite 62

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Page 62 of 910 Description
553-3001-365 Standard 4.00 August 2005
Handshaking is added to the Call Server and IP Line software so that the TCP
functionality is automatically enabled. A software version check is performed
by the IP Line application each time before it attempts to establish a TCP link
with the CS 1000 and Meridian 1 CPUs. TCP transports messages, while
RUDP establishes and maintains the link.
If the version does not satisfy the minimum supported version, a RUDP link
is used instead to maintain the link and all signaling.
Virtual superloops, virtual TNs, and physical TNs
Virtual TNs (VTNs) enable configuration of service data for an IP Phone,
such as key layout and class of service, without requiring the IP Phone to be
dedicated (hard-wired) to a given TN on the Voice Gateway Media Card.
Calls are made between an IP Phone and circuit-switched telephone/trunks
using the full CS 1000 and Meridian 1 feature set. Digital Signal Processor
(DSP) channels are allocated dynamically for this type of call to perform the
encoding/decoding required to connect the IP Phone to the circuit-switched
network.
To create an IP Phone using VTNs, create a virtual superloop in LD 97 or in
Element Manager. To create the virtual superloop in Element Manager, click
System > Superloops in the Element Manager navigator.
Up to 1024 VTNs can be configured on a single virtual superloop for
Large Systems, CS 1000M Cabinet and CS 1000M Chassis systems, and
CS 1000E systems
Up to 128 VTNs can be configured on a single virtual superloop for
Meridian 1 Option 11C Cabinet and Meridian 1 Option 11C Chassis
systems, leading to support for a maximum of 640 VTNs for each of
these systems.
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