| A | B |
|---|
| Call Forward Doesn’t Answer Ring Select | Customer programs the number of rings from two to nine before a call is forwarded |
| Remote Access to Call Forwarding | From any touch-tone phone anywhere, a subscriber can forward their number to another number |
| Simultaneous Ring | Allows a Pilot Directory Number to ring up to 4 additional directory numbers |
| Selective Call Acceptance | A list of up to 12 phone numbers in the switch indicating numbers that should always be able to call the subscriber |
| Selective Call Rejection | A list of up to 12 phone numbers in the switch indicating telephone numbers from which the subscriber does not wish to receive calls |
| Selective Call Forwarding | A list of up to 12 phone numbers in the switch indicating numbers that are always forwarded |
| Directed Call Pickup | Allows a Centrex station user to answer incoming calls that ring on another station within a pre-set group |
| Automatic Line | Directs the line to automatically call a preassigned number when a phone is picked up |
| PBX Analog Trunks | Formerly known as Basic and Advanced Trunks, this category offers analog trunks in five possible configurations |
| Digital Transmission Facility | The transport pipe that connects the Digital Switched T-1 termination to the customer premise |
| Calling Number Delivery | Optional feature for PBX Analog, Full Switched and Fractional Switched trunks, except for California where it is a standard feature |
| Digital Switched T-1 | Umbrella category that includes Fractional and Full Switched T-1s |
| Full Switched T-1 | One rate includes digital transmission facility and 24 channels with three pricing options based on configuration |
| Fractional Switched T-1 | Offers a digital transmission facility as basic (no DID) and advanced (DID)j |
