AT&T SB67060 T1 Installation Guide download pdf (Page 111)

System Configuration 110

Synapse Installation Guide

T1 Settings

You can modify the settings of your T1 connection. AT&T expects that most installations will use the default settings. Changing

T1 settings resets the T1 Gateway and interrupts telephone service. To avoid disrupting service, AT&T recommends changing T1

settings outside of business hours.

These settings apply to Call Appearance mode only.

 To configure the T1 settings:

Figure 121. T1 Settings

1. In the Navigation Menu at left, click System

Settings, then T1 Settings. The page shown in

Figure 121 appears.

The system assumes that your T1 circuit uses

B8ZS

(Bipolar with 8 Zeros Substitution)

Encoding

The system assumes that your T1 circuit uses ESF

(Extended Super Frame), used in conjunction with

B8ZS, for signaling and to control line Framing.

2. Select the Signaling protocol from the drop-down

list. Signaling information is sent with the data to

convey certain connection parameters. The default

is Primary Rate Interface (PRI NI-2), which is the

modern standard for carrying voice transmissions.

The other choices are Nortel Digital Multiplex

Switch 100 (DMS-100), and Class 5 Electronic

Switching System (5ESS). With these two protocols,

only the caller ID number, not the caller ID name,

is provided to the Desksets.

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AT&T SB67060 T1 Installation Guide Page 111