BT ISDN Technické informace stáhnout pdf (Strana 15)

Digital Select Services

For a nominal charge you can take advantage of the

following Digital Select Services for equipment

connected to either socket on your ISDN 2e box:

Direct Dialling In (DDI)

Allows you to use ISDN 2e for all your office

communications. For example, you could group your

ISDN 2e lines together and use hunt groups and line

hunting when they’re connected to a phone system.

If you had three ISDN 2e lines (i.e. 6 channels), you

could have 10 numbers associated with each one,

which adds up to a possible total of 30 different

extension numbers. One of those numbers could then

become a central number for customers to call. The

other 29 could serve as personal extension numbers,

so that regular customers could contact individuals

directly, without having to go through your

switchboard.

Customer Controlled Call Forwarding

Services for voice and data calls

• Call Forwarding on Engaged (providing you

ensure that any overflow traffic at one location

can be answered elsewhere). Your calls will be

automatically re-routed to any telephone number

that you choose that is capable of receiving the

calls. This will happen when both digital

channels are busy, or when individually-called

digital devices are busy.

• Call Forwarding on Ring Tone No Reply allows

your calls to be forwarded to any telephone

number that you choose that is capable of

receiving the calls if unanswered within

approximately 20 seconds.

• Unconditional Call Forwarding allows you to

have all incoming calls forwarded to any

telephone number that you choose that is

capable of receiving the calls.

Important supporting information:

If you use Customer Controlled Call Forwarding, you

will be charged for the forwarding part of calls.

Customer Controlled Call Forwarding is activated and

controlled by your equipment, be that an ISDN phone,

phone system, Terminal Adapter, Router or ISDN

Card, so you must make sure any equipment you have

connected to the digital sockets supports Customer

Controlled Call Forwarding and that it is set-up

correctly. Any Customer Controlled Call Forwarding

using customer equipment will overwrite any BT set

up Call Forwarding options on the line.

Multiple Subscriber Numbering

Allows you to have up to 10 directory numbers

allocated to the digital service on ISDN 2e, so you

could advertise different telephone numbers for fax,

video, telephone and data devices. This option is

highly recommended if you’re connecting more than

two digital devices to ISDN 2e.

Important supporting information:

Your terminal equipment must be able to support the

Multiple Subscriber Numbering service, as individual

directory numbers will need to be programmed into

the equipment. The total number of telephone

numbers available on ISDN 2e is 10 .

1 2 ... 10 11 12 13 14 15 16 17 18 19 20 ... 23 24

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