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AT&T feature module 2 Telephone Accessories User Manual

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FIGURE 2-18 Dial codes for basic telephones connected to BTMIs and OPTIs.

I

884

I

889

883

I

888

882

I

887

I

881

Intercom-Voice

I

880

Intercom-Ring

Square

I

886

I

885

systems

884

I

883

Pool Access

I

882

Pool Access

I

881

Intercom-Voice

I

880

Intercom-Ring

Pooled systems with

I

883

Default

I

888

Main Pool

882

Default

887

Main Pool

I

889

887

886

885

Dial Access to

I

881

Intercom-Voice

I

886

I

880

Intercom-Ring

885

Pooled systems with Button Access to line pools

line pools

2-174 Accessory Equipment

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