Lucent Technologies DEFINITY Enterprise Communication Server Release 8.2 Administrators Guide

DEFINITY ECS Release 8.2
Administrator’s Guide  555-233-506  Issue 1
April 2000
Features and technical reference 
1387 IP trunk service 
20
This is where your AAR or ARS route pattern comes into play. Typically, a route 
pattern for an IP trunk group uses the IP trunk group as its primary route and 
assigns one or more conventional trunk groups as alternate routes. Whenever the 
IP trunk group is blocked, DEFINITY ECS automatically routes its traffic over 
one of the alternate trunk groups you’ve...

DEFINITY ECS Release 8.2
Administrator’s Guide  555-233-506  Issue 1
April 2000
Features and technical reference 
1388 IP trunk service 
20
PSTN Example
For example, say you create trunk group 10 and assign its members to the first 12 
potts on the IP trunk circuit pack. Then you create a route pattern (for example, 5) 
with trunk group 10 for the first route preference and the trunk group for PSTN 
access for the second route preference. On the ARS analysis form, telephone 
numbers going to remote site...

DEFINITY ECS Release 8.2
Administrator’s Guide  555-233-506  Issue 1
April 2000
Features and technical reference 
1389 IP trunk service 
20
Network issues
nLucent recommends that you avoid more than 3 consecutive analog voice 
to data pack conversions on voice calls. Repeated compression and 
decompression of a voice call may seriously degrade sound quality. 
nIP trunks can be used in Distributed Communications System (DCS) 
networks, but you’ll need a separate board, such as a C-LAN circuit pack, 
to...

DEFINITY ECS Release 8.2
Administrator’s Guide  555-233-506  Issue 1
April 2000
Features and technical reference 
1390 IP trunk service 
20
NOTE:
Once you start the IP trunk CDR function in Configuration Manager, you 
can’t turn it off except by editing the c:\its\bin\its.ini. To turn IP trunk CDR 
logging off, change the entry “CdrSwitch=” to 0 in the its.ini file.
The DEFINITY ECS application logs call detail records and error messages. The 
format and content of these records is different from the...

DEFINITY ECS Release 8.2
Administrator’s Guide  555-233-506  Issue 1
April 2000
Features and technical reference 
1391 IP trunk service 
20
Quality of Service Logs
The DEFINITY IP Trunk application allows you to log Quality of Service 
statistics. 
Quality of Service (QoS) data is logged into flat text files. In Windows NT, these 
files are stored in the C:\Its\log\qos directory, by default, and you can specify a 
different location. The Service Logs property page of Configuration Manager 
indicates the...

DEFINITY ECS Release 8.2
Administrator’s Guide  555-233-506  Issue 1
April 2000
Features and technical reference 
1392 IP trunk service 
20
automatic PSTN fallback mechanism. A file may be empty if there have been no 
blocks or unblocks of any line pools, and if monitoring for any of the line pools 
was never started. A new log file is created every time the service is started.
Make sure that QoS monitoring is enabled for the line pool of interest through the 
Properties dialog box under the Quality of...

DEFINITY ECS Release 8.2
Administrator’s Guide  555-233-506  Issue 1
April 2000
Features and technical reference 
1393 IP 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...

DEFINITY ECS Release 8.2
Administrator’s Guide  555-233-506  Issue 1
April 2000
Features and technical reference 
1394 ISDN service 
20
nISDN
ISDN features such as 10-digit number display, QSIG , and path 
replacement do not work over IP trunk. 
Related topics
Refer to the DEFINITY ECS Administration for Network Connectivity for more 
information on managing IP trunks, including complete administration 
instructions.
Refer to ‘‘
IP Trunk Configuration Manager’’ on page 724 for detailed descriptions 
of...

DEFINITY ECS Release 8.2
Administrator’s Guide  555-233-506  Issue 1
April 2000
Features and technical reference 
1395 ISDN service 
20
nElectronic Tandem Networks (ETN) 
nFacility Associated Signaling (FAS) and Non-Facility Associated Signaling 
(NFAS) (Only ISDN-PRI supports this.)
nGeneralized Route Selection (GRS)
nCall Identification Display — Calling Party Number (CPN) and Billing 
Number (BN)
nAdministered Connections and Access Endpoints 
nInterworking (a mixture of ISDN and non-ISDN trunks and...

DEFINITY ECS Release 8.2
Administrator’s Guide  555-233-506  Issue 1
April 2000
Features and technical reference 
1396 ISDN service 
20
Refer to the DEFINTY services documentation for information about the 
following screens: ISDN TSC Gateway Channel Assignments, Network Facilities 
(supports usage allocation used in Call-by-Call Service Selection), and Signaling 
Group (used to define a group of B-channels for which a given D-channel or 
D-channel pair carries signaling information).
Transmission rate...