[Asterisk-Users] Billing (itemized) in the UK

[Robinson Tim-W10277]

Hi Peter
You need to first of all ask your Telco what mechanism it uses with your
current switch.  The most likely ways are 

1) Two stage dialling.  1xxx  pause <PIN> <exten> <dialled number>
2) access code		1xxx <exten> <dialled number>

You need to get the specs for this from Your Communications.  It is not
clear from the web site...

Asterisk will cope perfectly with either solution - you will just need
to fiddle a bit with the dial plan. Once we know what you have to send
to the telco there are tons of people here who will advise on the Dial
command you should use to achieve what you want.

Rgds
Tim Robinson
Ps. Any reason why you chose to stick with the analogue solution? Is
this just risk mitigation in the early stages? (this is a valid reason,
btw!)



-----Original Message-----
From: asterisk-users-bounces at lists.digium.com
[mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Peter
Hoppe
Sent: 25 November 2004 10:54
To: asterisk-users at lists.digium.com
Subject: [Asterisk-Users] Billing (itemized) in the UK


Hello!

We are located in the UK, and we are planning to replace our old pbx
with an asterisk based pbx. For 
outgoing calls our present pbx is connected to three PSTN lines which
all have the same number. 
Internally, the pbx caters for quite a few extensions, and each
extension can make outbound phone calls.

Our telecom provider (your communications) gives us monthly itemized
bills that list all of the 
calls per extension, i.e. from the bill we are able to tell which
internal extension made what call 
to which destination at which date/time, how long this call was in
minutes and how much that 
particular call costs.

We would like to reuse the three PSTN lines with the asterisk system,
and at present there are no 
plans to utilize other connectiviy (such as ISDN) - we would like to
stick with the three PSTN lines.

My understanding is that when the asterisk system is running we won't
get any itemized bills any 
more since the telecom provider has no way of telling from which
extension a call originated.


Questions:

To give the extension information to the telco...

How can I configure Asterisk to do send extension information?

What signalling do I have to provide for outgoing calls to give
extension information the telco?

Is there a standard for sending extension numbers (i.e. do I have to
send some DTMF digits)?

Is there a software / asterisk extension (that works in the UK) that
allows asterisk to send 
extension info?

Do I need to buy some equipment that can provide this info to the telco?
Which?

Where could I find more information on that subject?



Thank you very much for your consideration.



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