User`s guide

ManualsBrandsAscend ManualsComputer equipmentPipeline

251

252

253

254

255

256

257

258

259

260

Table Of Contents

Ascend Customer Service
How to use this guide
What you should know
Documentation conventions
How to use the on-board software
- Changing parameter values
- Saving or discarding your changes
Manual set
Configuring WAN Connections
- About Wide Area Network (WAN) connections
- Link encapsulation
- Nailed groups
- How calls are initiated
- How calls are answered
- Data compression options
- The Answer profile
- Connection profiles
- Configuring Frame Relay connections
Configuring IP Routing
- Introduction to IP routing on the Pipeline
- Managing the routing table
- Configuring IP routing connections
- Ascend Tunnel Management Protocol (ATMP)
IP Address Management
- Connecting to a local IP network
- BOOTP Relay
- DHCP services
  - How IP addresses are assigned
  - Configuring DHCP services
- Dial-in user DNS server assignments
  - Configuring DNS servers in the Ethernet profile
  - Configuring DNS servers in the Connection profile
- Local DNS host address table
- Network Address Translation (NAT) for a LAN
Configuring IPX Routing
- How the Pipeline performs IPX routing
- Adding the Pipeline to the local IPX network
- Working with the RIP and SAP tables
- Configuring IPX routing connections
Configuring the Pipeline as a Bridge
- Introduction to Ascend bridging
- Enabling bridging
- Managing the bridge table
- Configuring bridged connections
Defining Filters and Firewalls
- Introduction to filters
- Overview of Filter profiles
- Example filters
- Working with predefined call filters
- Display unwanted dial-out packets
- Secure Access Firewalls
- Filter persistence
  - Background on firewall and filter persistence
  - Filter persistence and Connection profiles
Setting Up Pipeline Security
- Recommended security measures
- Pipeline Security profiles
- Connection security
- Using filters to secure the network
- Using security cards
Pipeline System Administration
- Overview of administration functions
- Activating administrative privileges
- Configuring administration options
- Using the Pipeline status windows
- Performing system administration operations
- Using the terminal server interface
  - Invoking and quitting the terminal server interfac...
  - Terminal server commands
- Accessing a local Pipeline via Telnet
Pipeline 75 Voice Features
- About the integrated services of ISDN
- How your ISDN service affects voice features
  - Ordering supplementary voice services
  - Ordering voice features
- How outgoing voice calls are handled
- How incoming voice calls are handled
- Support for 2-channel calls on one SPID
  - Configuring a 2-channel, single SPID call
- Support for outgoing 3.1K audio calls
  - How 3.1K audio calls work
  - Configuring 3.1K audio call
- EAZ Terminal ID for Germany
IDSL Implementations
- ISDN Digital Subscriber Line (IDSL)
- Configuring an IDSL connection
- Making voice calls over IDSL
APP Server utility
- About the APP Server utility
- APP Server installation and setup
Troubleshooting
- Cabling problems: Rule these out first
- Common problems and their solutions
- Problems configuring the Pipeline
- ISDN BRI interface problems
  - Bridge/router problems
- Problems accessing the remote network
  - Check the installation
  - Configuration problems
Upgrading system software
- What you need to upgrade system software
- Displaying the software load name
- The upgrade procedure
Untitled

Pipeline 75 Voice Features

How incoming voice calls are handled

Pipeline User’s Guide Preliminary January 30, 1998 A-5

• If both B channels are used for a data call to the same location, you can make

a voice call by picking up the receiver of a telephone connected to either

analog port. The Pipeline automatically borrows one of the B channels for

the voice call. This feature works for outgoing calls on all types of ISDN

service and all switches.

If both B channels are used for any other combination of calls—for two voice

calls, for one voice call and one data call, or for two data calls to different

locations—you cannot make another voice or data call.

The WAN LED on the front of the Pipeline is lit when the ISDN line is being

used for a voice or data call.

How incoming voice calls are handled

The voice-handling features of the Pipeline also make it easy to receive incoming

voice calls. In the most common configuration, where each analog port is

assigned to a different telephone number, incoming voice calls are handled as

follows:

• If neither B channel is currently in use, you can receive a voice call on either

telephone number.

• If a single B channel is currently used for a data call, you can receive a voice

call on either telephone number. The other B channel is used for the voice

call. The call is routed to the analog port assigned to the telephone number.

– Exception: If the telephone switch for your ISDN service is a Northern

Telecom DMS-100, the caller receives a busy signal if the incoming call

is for the same telephone number used by the data call. Note that when a

single-channel data call is made and there is no other call in progress,

the telephone number specified by the My Num B parameter is always

used, leaving the telephone number specified by the My Num A

parameter available for voice calls.

• If a single B channel is currently used for a voice call, you can receive a

voice call for the telephone number not used by the current voice call. The

call is routed to the analog port assigned to the telephone number.

• If a single B channel is currently used for a voice call, and there is an

incoming call to the same telephone number as the current call, the caller

receives a busy signal.