Lucent Technologies 6.1 用户手册

Issue 1

August 1998

Lines/Trunks 

Page 3-39

Selecting Line/Trunk Options 

3

Use these instructions only if the system has tie trunks, including tie trunks 
emulated through a DS1 connection. Otherwise, skip to the next section, “DID 
Trunks (Hybrid/PBX Mode Only).”

If configuring T1-Tie trunks, including those with Switched 56 digital data service, 
complete the instructions in the “T1 Service” section first.

Tie trunks must be configured to match central office requirements or the 
configuration of the system to which they tie. Review tie trunk operations and 
make the following decisions about the way each tie trunk operates:

■

Direction

■

Signaling type

■

E & M Signaling

■

Dial mode

■

Dial tone

■

Answer supervision time

■

Disconnect time

■

Private network tandem trunks

See the 

Network Reference for information on private networking.

This section contains instructions for each of these options.

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1.

Transfer the trunk identification from Form 2c, System Numbering: 
Line/Trunk Jacks, to Form 3c, Incoming Trunks: Tie. Write the logical ID 
and trunk number for each tie trunk connected to the system.

2.

Under the Direction heading on Form 3c, check the direction for each tie 
trunk next to its trunk number:

■

If the tie trunk is two-way, check the Two Way (factory-setting) 
column. Use this option for private networks.

■

If the trunk is one-way, check either the Outgoing column or the 
Incoming column.

3.

Under the Signaling Type (Intype/Outtype) heading, check the appropriate 
column for either In or Out under the Wink, Delay, Immediate, or Automatic 
columns for each tie trunk. For T1 facilities used for services (for example, 
Megacom), consider the direction of the tie trunk and how trunk 
assignments will be made. Then select from the following: