BusinessPhone Communication Platform 7.0
Facilities

## Incoming Calls Via Line 1 Or Line 2

## Definition

Call to a system telephone's directory number from another extension or a public network subscriber.

## Use

DBC 220, DBC 211, DBC 222, DBC 212, DBC 631, DBC 223, DBC 213 and DBC 662 telephones have three keys that are coupled to the telephone's directory number.

Line 1 |  | Incoming/outgoing calls.

Line 2 |  | Incoming/outgoing calls. The line can be blocked for incoming traffic.

Inquiry |  | Outgoing traffic.

All incoming calls are presented on Line 1 or Line 2 of the respective system telephone.

The Inquiry-key can only be used for outgoing calls.

## Operation

### DBC 220, DBC 211, DBC 222, DBC 212, DBC 631, DBC 223, DBC 213 and DBC 662 Telephones

#### Incoming call

If the telephone is free on both Line 1 and Line 2 an incoming call will be presented on Line 1.

The associated lamp lights and flashes rapidly.

If the telephone is in the idle state the extension will be rung with repeated internal or external ring signals unless otherwise programmed.

On telephones with display, the caller's number and name will be shown.

#### Answer in handset mode

Calls in handset mode on Line 1 can always be answered as follows:

1. Lift handset

Calls to Line 2 are answered as follows:

1. Press key Line 2.

- Associated lamp flashes to confirm connection.

#### Answer in handsfree mode

Calls in handsfree mode are answered as follows (not available for DBC 220):

1. Press key for Line 1 or Line 2.

- Associated lamp flashes to confirm connection.
- On/Off lamp lights and glows steadily.

Calls to Line 1 can also be answered as follows:

1. Press On/Off key.

#### Speech state

On answer, the ring signals cease and contact is obtained with the caller.

#### Disconnection of call in handset mode

1. Replace handset. Line 1 - or Line 2 lamp extinguishes.

An ongoing call can always be disconnected by pressing the Clear key.

#### Disconnection of call in handsfree mode

1. Press On/Off key or Clear key.

Line 1 -/Line 2 lamp extinguishes as does On/Off lamp.

#### Busy on Line 2/Free on 2nd access

A separate key has to be programmed for this purpose.

By default the second line is free is on the system telephones. Via system programming you can change the value to the customer needs.

##### System programming is set to “Busy on Line 2” (=default value)

Line 2 can be blocked for calls as follows:

1. Press programmed key “Busy on Line 2”. Associated lamp lights and glows steadily.

Line 2 can be reopened as follows:

1. Press programmed key “Busy on Line 2”. Associated lamp extinguishes.

##### System programming is set to “Free on 2nd access”

Line 2 can be unblocked for calls as follows:

1. Press programmed key “Free on Line 2”.

- Associated lamp lights and glows steadily.

Line 2 can be reblocked as follows:

1. Press programmed key “Free on Line 2”.

- Associated lamp extinguishes.

## Capacity

Only one call at a time may initiate ring signals to the extension's directory number.

Calls can be signalled on Line 2 if Line 1 is busy with an ongoing call.

## Limitations

The following prerequisites apply for calls to Line 1 and Line 2:

- Both Line 1 and Line 2 are free when a call arrives.
  The call is always presented on Line 1, Repeated ring signal.
- Line 1 is busy and Line 2 free. The call is presented on Line 2. One muted ring burst only.
- Line 1 is busy and Line 2 is blocked for calls. The caller receives busy tone.
- If an unanswered call exists to Line 1 or Line 2 no new call can be presented. The caller receives busy tone.
- For a second call to be presented on Line 1 or Line 2 Inquiry must be free also. This is because the possibility shall always exist to transfer one of the two calls.

## Programming

2080 |  | Free second access

0301 |  | Key function

3038 |  | Program busy line key

0101 |  | Facility COS

## Equipment

None

Revision: D © Ericsson Enterprise 2005