BusinessPhone Communication Platform 7.0
Facilities

## Tenant Function

## Definition

Tenant function means that several individual organisations and/or companies (tenants) can share the same telephone system.

## Use

The function can be used e.g. for industrial parks or office blocks containing several tenants.

ASB 150 02 can be split whereby each company/organisation (tenants) conceives its part of the system to be a private system.

The following functions can be split:

### Number series

Only one number series, but each tenant can be assigned optional numbers from the common number series.

##### For example

Tenant 1 has number series 100 ‑ 199

Tenant 2 has number series 300 ‑ 349

Tenant 3 has number series 400 ‑ 559

### Trunks

Each tenant can be assigned its own trunks.

For outgoing traffic the system automatically selects its own trunks.

The different tenants can also have common trunks.

Each trunk can for example be given the tenant's name. A common OPERATOR can then, for incoming calls, on inquiry or recall identify to which company the trunk belongs and answer using the appropriate tenant name.

Note

However in the case of a common DID-route it is not possible to differentiate between calls on diversion to the operator.

### Grouping of extensions

Internal traffic between extensions belonging to different tenants is normally blocked if each company has its own trunks.

### PBX-positions

Each tenant can handle its incoming traffic individually.

However only three tenants can have their own OPERATOR telephones.

Other tenants must then utilise a DBC 223, DBC 213 or DBC 662 Telephone as answering position or, by controlling traffic as a key-system, utilise the common call pick-up or ACD function

It is also possible to allow two or more tenants to use common OPERATORs.

In this case for incoming calls the OPERATOR receives information directly as to which tenant the call is for and can provide the appropriate reply.

### Abbreviated number dialling – common numbers

The common abbreviated numbers can be assigned categories whereby they can only be accessed by users possessing the same category.

This means that four companies can be assigned own abbreviated numbers from the total list.

### Trunk Call Discrimination

The list of approved destinations can be programmed so that it is stated for each destination which of the eight categories it is to be checked (analysed) against.

Each tenant can then open an optional number of the programmed directions.

### Facilities

By means of programming the facility category list and assigning facility categories to the various tenants each tenant can gain access to the desired number of facilities.

### Background music

Tenants can be assigned an individual music channel, however the maximum is three channels.

### Loudspeaker paging

Up to eight different paging groups can be programmed so that each tenant then has its own group.

### Night service

Each tenant can switch its own trunks for night service by a command.

It is however always possible, via one key, to switch the entire PBX for night service.

### Call Metering

By connecting a peripheral postprocessing unit, detailed information can be obtained for each tenant that is a member of the PBX.

## Operation

See description of respective facility, document xxx/155 34-ASB 150 02 Uen.

## Capacity

A maximum of sixteen tenants can share one system.

This number can be smaller dependent on the configuration.

See “Limitations” below.

## Limitations

The number of tenants that can share one system is dependent on the prerequisites stipulated for traffic control and facilities.

### Traffic control

The maximum number of tenant groups in the system is 16.

The maximum number of traffic groups in the system is 8.

For example, if each tenant is to have its own trunks but nevertheless allow traffic between extensions, only eight tenants can be permitted, as extension group and trunk line groups must be assigned different traffic group categories.

### Abbreviated number dialling – common numbers

The common external abbreviated numbers can be shared among a maximum of four tenants.

### Trunk Call Discrimination

The number of accessible directions is 100.

If the PBX is divided into the maximum number of groups (eight), all extensions in one tenant must be subjected to the same restrictions.

### OPERATORs

If the tenants are to have their own OPERATOR telephones, it is necessary to state the telephone’s individual directory number as answering position for trunks.This means that there will be no common queue to the OPERATORs.

## Programming

When programming a system to be used by several companies, you must keep in mind the following information:

### Traffic group matrix

Must always be programmed in order to prevent inter- tenant traffic and where tenants are to be assigned own trunks for outgoing traffic.

### Directory numbers

To be programmed only if the original number series for extensions is to be altered, for example, if each tenant is to be assigned a certain segment of the available number series.

### Trunk Call Discrimination

Must be programmed with regard to the split of the extensions among the various tenants.

### Abbreviated number dialling – common numbers

To be programmed only if the common abbreviated numbers are to be split among the tenants.

2801 |  | Abbreviated number open for tenant 0

2802 |  | Abbreviated number open for tenant 1

2803 |  | Abbreviated number open for tenant 2

2804 |  | Abbreviated number open for tenant 3

2805 |  | Abbreviated number open for tenant 4

2806 |  | Abbreviated number open for tenant 5

2807 |  | Abbreviated number open for tenant 6

2808 |  | Abbreviated number open for tenant 7

2809 |  | Abbreviated number open for tenant 8

2810 |  | Abbreviated number open for tenant 9

2811 |  | Abbreviated number open for tenant 10

2812 |  | Abbreviated number open for tenant 11

2813 |  | Abbreviated number open for tenant 12

2814 |  | Abbreviated number open for tenant 13

2815 |  | Abbreviated number open for tenant 14

2816 |  | Abbreviated number open for tenant 15

### Answering position for trunk

Must always be programmed if tenants are to have different answering positions or if the answering position is equipped with a DBC 224, DBC 214 or DBC 663 telephone.

### Night service

Shall always be programmed.

It is to be noted in particular whether each tenant that shares the PBX shall itself be able to switch its own trunks for night service.

### Background music

To be programmed only if one or more of the involved tenants is to have music channels.

### Administrative data

6801 |  | Tenant name

6802 |  | Tenant password

6803 |  | Tenant-Route

## Equipment

None

Revision: E © Ericsson Enterprise 2005