CAN/CSA-T512-M91 (R1999)

Functional and Compatibility Requirements for Private Branch Exchange (PBX) Switching Equipment for Voiceband Applications

For the purposes of this standard, the PBX is considered to be a device that performs switching functions between station apparatus interfaces and between the station apparatus interfaces on one side and central office (CO) and special trunk interfaces on the other.

SDO:

CSA

Language:

English

ICS Codes:

33.040.30

Status:

Withdrawn

Publish date:

1991-03-30

Standard Number:

CAN/CSA-T512-M91 (R1999)