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DEFINITY ECS Release 8.2
Administrator’s Guide
555-233-506
Issue 1
April 2000
Features and technical reference
1393IP trunk service
20
2. Click Performance Monitor.
The three QoS parameters will be available for charting or logging under
the object QOSMon.
3. Click Close.
Making phone calls with computers
H.323 is a set of standards for transmitting voice calls over an IP network. A
number of Windows-based applications allow telephone calls to be made from one
H.323 compliant PC, with a microphone and speakers or headset, over the IP
network to another H.323 compliant PC. The DEFINITY IP Trunk application
supports H.323 telephone calls and Microsoft NetMeeting. This means that
NetMeeting can make a call to a DEFINITY ECS with the DEFINITY IP Trunk
application. That switch may route the call off-premise, depending on how the
DEFINITY ECS application is configured.
Refer to ‘‘Configuring Microsoft NetMeeting™’’ on page 384 for instructions.
Interactions
■ Abbreviated Dialing
IP trunks drop the digits after a pause in an abbreviated dial string.
■ Automatic callback
Automatic callback does not work on DCS over IP trunks.
■ Call coverage
Calls that route to multiple endpoints via call coverage, forwarding, and
transfer, including coverage to voicemail, experience lower voice quality
over an IP trunk network.
■ Conferencing
Multiple parties conferenced over IP trunks experience delay during
conversation.
■ Coverage of Calls Redirected Offnet (CCRON)
CCRON does not work over IP trunk.
■ Directory
Integrated directory information does not appear on display phones
connected via IP trunks.
■ Facility Test Call
You can’t use Facility Test Calls to test IP trunk ports.