AT&T 2500 series, 7500 series, 7100 series, 7200 series, 7400 series, 7300 series manual Attendant

5-6ELECTRONIC TANDEM NETWORK (ETN) THROUGH THE ETN AND PNA PACKAGES

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TO C.0.

TANDEM

PBX (555)

555-1234

ATTENDANT 555-0111

TO C.0.

444-1234	TANDEM
	PBX
	(444)
TO C.0.
ATTENDANT
444-0111

TANDEM

PBX (666)

ATTENDANT 666-0111

TO C.0.

MAIN

PBX (689)

ATTENDANT

689-0111

689-1234

TO C.0.

TRIB.

(654)

654-1234

ATTENDANT 654-0111

666-1234

TO C.0.

ATTENDANT 677-0111

MAIN

PBX (677)

677-1234

SAT.

(677)

677-3456

Figure 5-3.Private Network Uniform Numbering Plan