User's Manual
Table Of Contents
- ===============================
- MAIN MENU
- MASTER INDEX
- GLOSSARY
- ===============================
- DEFINITY® ECS Release 8.2 Administration for Network Connectivity
- Contents
- Preface
- 1 Networking Overview
- 2 H.323 Trunks
- Overview
- H.323 Trunk Administration
- Enabling Administration
- H.323 Trunk Administration — Task Summary
- H.323 Trunk Administration — Task Detail
- Task 1 — Assign Node Names
- Task 2 — Define IP Interfaces
- Task 3 — Assign Link via ethernet Data Module to the LAN
- Task 4 — Create a signaling group
- Task 5 — Create a trunk group
- Task 6 — Modify signaling group
- Task 7 — Specify codecs
- Troubleshooting IP Solutions
- 3 C-LAN Administration
- Overview
- Configuration 1: R8r <—ppp—> R8si
- Task Summary
- Prerequisite Administration
- Switch 1 Task — Assign Node Names
- Switch 1 Task — Assign Link via ppp Data Module to Switch 2
- Switch 1 Task — Assign Processor Channels
- Switch 2 Task — Assign Node Names
- Switch 2 Task — Assign Link via ppp Data Module to Switch 1
- Switch 2 Task — Assign Processor Channels
- Enable links and processor channels
- Configuration 2: R7r (+CMS) <—ethernet—> R7csi
- Task Summary
- Switch 1 Task — Assign Node Names
- Switch 1 Task — Assign IP Interfaces
- Switch 1 Task — Assign Link via ethernet Data Module to the LAN
- Switch 1 Task — Assign Processor Channels
- Switch 2 Task — Enable Bus Bridge Connectivity
- Switch 2 Task — Assign Node Names
- Switch 2 Task — Define IP Interfaces
- Switch 2 Task— Assign Link via ethernet Data Module to the LAN
- Switch 2 Task — Assign IP Route (to Switch 1)
- Switch 2 Task— Assign Processor Channels
- Intuity System Administration
- Administer Subscribers
- Worksheet A: Names and IP Addresses for Lucent Intuity System
- Worksheet B: LAN Data for the Lucent Intuity System
- Enable links and processor channels
- Configuration 3:R8si<—x.25 —> R8r Gateway <—ethernet—> R8si
- Task Summary
- Prerequisite Administration
- Switch 1 Task — Assign Node Names
- Switch 1 Task — Assign pdm Data Module
- Switch 1 Task — Assign Link via x.25 Data Module to Switch 2
- Switch 1 Task — Assign IP Interfaces
- Switch 1 Task — Assign Link via ethernet Data Module to the LAN
- Switch 1 Task — Assign Processor Channels
- Switch 2 Task — Assign Link via procr-intf Data Module to Switch 1
- Switch 2 Task — Assign Processor Channels
- Switch 3 Task — Assign Node Names
- Switch 1 Task — Assign IP Interfaces
- Switch 3 Task — Assign Link via ethernet Data Module to the LAN
- Switch 3 Task — Assign Processor Channels
- Enable links and processor channels
- Configuration 4: R8csi <—ISDN—> R8si Gateway <—ppp—> R8csi
- Task Summary
- Prerequisite Administration
- Switch 1 Task — Assign Node Names
- Switch 1 Task — Assign Link via ppp Data Module to Switch 3
- Switch 1 Task — Assign Processor Channels
- Switch 1 Task — Assign Signaling Group and administered NCA TSC
- Switch 1 Task — Assign ISDN-TSC Gateway
- Switch 2 Task — Assign Signaling Group and administered NCA TSC
- Switch 3 Task — Enable Bus Bridge Connectivity
- Switch 3 Task — Assign Node Names
- Switch 3 Task — Assign Link via ppp Data Module to Switch 1
- Switch 3 Task — Assign Processor Channels
- Enable links and processor channels
- Configuration 5A: R8csi <—ppp—> R8r (one C-LAN) <—ethernet—> R8si
- Task Summary
- Prerequisite Administration
- Switch 1 Task — Assign Node Names
- Switch 1 Task — Assign Link via ppp Data Module to Switch 2
- Switch 1 Task — Assign IP Interfaces
- Switch 1 Task — Assign Link via ethernet Data Module to Ethernet
- Switch 1 Task — Assign Processor Channels
- Switch 2 Task — Enable Bus Bridge Connectivity
- Switch 2 Task — Assign Node Names
- Switch 2 Task — Assign Link via ppp Data Module to Switch 1
- Switch 2 Task — Assign Processor Channels
- Switch 2 Task — Assign IP Route to node-3
- Switch 3 Task — Assign Node Names
- Switch 3 Task — Assign IP Interfaces
- Switch 3 Task — Assign Link via ethernet Data Module to the LAN
- Switch 3 Task — Assign Processor Channels
- Enable links and processor channels
- Configuration 5B:R8csi <—ppp—> R8r (2 C-LANs) <—ethernet—> R8si
- Task Summary
- Prerequisite Administration
- Switch 1 Task — Assign Node Names
- Switch 1 Task — Assign Link via ppp Data Module to Switch 2
- Switch 1 Task — Assign IP Interfaces
- Switch 1 Task — Assign Link via ethernet Data Module to the LAN
- Switch 1 Task — Assign Link via ppp Data Module to C-LAN(a)
- Switch 1 Task — Assign Link via ppp Data Module to C-LAN(b)
- Switch 1 Task — Assign Processor Channels
- Switch 1 Task — Assign IP Route: C-LAN(a) to node-3
- Switch 1 Task — Assign IP Route: C-LAN(b) to node-2
- Switch 2 Task — Enable Bus Bridge Connectivity
- Switch 2 Task — Assign Node Names
- Switch 2 Task — Assign Link via ppp Data Module to Switch 1
- Switch 2 Task — Assign Processor Channels
- Switch 2 Task — Assign IP Route to node-3
- Switch 3 Task — Assign Node Names
- Switch 3 Task — Assign IP Interfaces
- Switch 3 Task — Assign Link via ethernet Data Module to the LAN
- Switch 3 Task — Assign Processor Channels
- Enable links and processor channels
- 4 Networking Example
- A Screens Reference
- Networking Screens
- Other Network-Related DEFINITY Screens
- Networking Screens
- Node Names
- page 1
- Pages 2 – 6
- IP Interfaces
- IP Routing
- IP Media Parameters
- Data Module Screens
- Common Data Module Fields
- Data Module — Type ethernet
- Data Module — Type ppp
- Data Module — Type procr-intf (used for BX.25 connections with the si model)
- Data Module - type X.25 (used for BX.25 connections with the r model)
- Data Module - type pdm (used for BX.25 connections with the r model)
- Communication-Interface Processor Channel
- Circuit Packs
- Signaling Group
- ISDN TSC Gateway Channel Assignments
- Other Networking-Related DEFINITY Screens
- Communication Interface Links
- Data Module - type netcon
- Data Module - type analog-dm
- Extended Trunk Access Call Screening
- Extension Number Portability Numbering Plan
- Hop Channel Assignments Screen
- Implementation notes
- Node Number Routing
- Message Waiting Indication Subscriber Number Prefixes
- Synchronization Plan
- Pages 1–X of the screen
- Uniform Dial Plan
- B Private Networking
- Contents of this Appendix
- Distributed Communications System
- Description of DCS
- DCS Features
- Italian DCS Protocol
- ISDN/X.25 gateway
- DCS Over ISDN-PRI D-channel
- DCS feature considerations
- DCS Interactions
- Example DCS configurations
- Centralized Attendant Service
- Extended Trunk Access
- Extension Number Portability
- Inter-PBX Attendant Service
- Private Network Access
- Uniform Dial Plan
- ISDN Feature Plus
- QSIG
- Centralized Voice Mail Via Mode Code
- Japan TTC Q931-a Private Networking Protocols
- C Security Issues
- D Capacities and Performance
- E C-LAN Installation
- F IP Trunk Installation and Administration
- IP Trunk Installation
- IP Trunk Administration
- Procedures for Extension Dialing Between Sites
- DCS over IP Trunk
- DCS or Dedicated Trunks to Specific Locations Configurations
- Rerouting calls when IP transmission quality is poor
- Placing a test telephone call
- Setting up alerts on IP trunks
- Alert types
- Viewing error messages
- Troubleshooting IP trunk
- Maintaining the performance of the IP trunk server
- Configuring Microsoft NetMeeting™ on a PC
- IP Trunk Worksheets
- G References
- Glossary
- Index

Distributed Communications System B Private Networking
Administration for Network Connectivity
CID: 77730 555-233-504 — Issue 1 — April 2000
316
~ When the DCS link is down, call consult operates differently. If Station A calls
Station B but the call covers to Station C, then Station C consults back to
Station B and Station B receives the consult call on the next call appearance.
~ DCS Call Coverage does not support Coverage Call Back from a remote node.
Additionally, in some DCS Call Coverage situations, call coverage operation may
deviate, including:
~ A call to the principal redirects to the remote coverage point, which is
unavailable. The coverage point is considered unavailable when:
• The coverage point is not a valid extension, QDN, or VDN.
• The coverage point is busy with no hunting, forwarded, or has send all
calls activated, or activates send all calls after ringing.
• The coverage point has no staffed agents or an invalid vector.
When the coverage point is unavailable, the local system determines the
availability status from a time-out or from a message from the remote system.
When the local system discovers that the coverage point is unavailable, it tries
the next coverage point. If the last coverage point is unavailable, the previous
coverage point rings until it is answered or until the caller hangs up. If only
one coverage point exists in the path and it is unavailable, the principal’s
station rings until it is answered or until the caller hangs up.
~ A call to the principal is forwarded and the forwarded-to extension is not
available. In this case, the first coverage point in the principal’s path is tried.
Note that the coverage does not follow the forwarded-to extension’s coverage
path.
~ A call to the principal redirects to the remote coverage point, which answers.
Subsequently, the principal goes off hook. In this case, the local system
bridges the principal onto the call between the calling party and coverage point
creating a conference among the three. The principal receives the call on the
same call appearance as the original call.
Error Condition Action
DCS link not up.
or
DCS trunk is not available.
or
DCS Call Coverage feature
is not activated on the
remote system.
The call is routed to the remote coverage
point. If the call is answered, it is treated as
Call Coverage Off Premises (also called
Remote Call Coverage). If the call is
redirected at the remote coverage point
before the DCS SRI expires, the remote
point’s path is followed. If the call is not
answered within the DCS SRI time-out
period, the next coverage point is tried with
DCS Call Coverage from the local system.
All trunks to the remote
system, DCS or otherwise,
are busy
The next coverage point is tried with DCS
Call Coverage from the local system.