Cell Broadcast Details

[Sean Lincolne]

I have been looking through the manual for my Nokia data card, and there
seems to be quite a bit of terminology regarding Cell Broadcast Messages.

Has anyone seen any sites on the net (I've already spent a couple of hours
surfing for this stuff) that covers how CBM's actually work ?

Specifically issues like data coding schemes, topics, Index, etc.

Please post your reply to this newsgroup.

Thanks,

Sean

[Graeme Allen]

Sean,

CBS is simmilar to SMS in terms of protocols, refer to ETSI
specifications 07.05 and 03.40 for details.

Regards,
Graeme Allen
GPA Technology
http://www.winpos.com/SMS/sms.htm
---------------------------------

[edgar....@nospam-2649.ntc.nokia.com]

Cell Broadcast is indeed similar to the "normal" SMS, which is also called point-to-point (PP-) SM, with the exception that it is not sent from one subscriber to another but from the network
(i.e. the operator) to all subscriber that are currently using their phone in a certain geographic area (cell).

Other than the PP-SM it is not sent from a SM service center but
directly from a so called cell broadcasting centre which usually is collocated (if not intgrated) with the base station controllers of the GSM network.

As a subscriber you can only receive CB but not send. The reception should be possible to select/unselect with your handset.

From the service perspective:

- mobile terminated PP-SM = basic teleservice T21
- mobile originated PP-SM = basic teleservice T22
- cell broadcast SM= basic teleservice T23

T21 is usually (but not necessarily) granted for free, T22 is usually charged for. Both have to be provisioned by the operator whereas T23 is normally a built-in capability of the mobile station and thus hasn't got to be provisioned and cannot be charged for.

So, the similarity of PP-SM and CB-SM refer only to the transmission path between the mobile and the network, but not to their use, display and network implementation.

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[Graeme Allen]

Edgar,

Thanks for the expansion on my previous message, which was specifically
reffering to the _protocols_ used for moving the messages around.

Regards,
Graeme Allen
GPA Technology Pty. Ltd.
http://www.winpos.com/SMS/sms.htm

[MC]

Hi everyone,

I want to know which countries in the world have Cell Broadcast/Cell Info
available on their networks.

For example, in South Africa, Both MTN and Vodacom have Cell Broadcast. They
use Channel 50 for local area info, displaying which suburb/cell site name
you are logged on. Also MTN have weather on channel 40, and hospital info on
channel 20.

Post your info here. Try be as detailed as possible!

[edgar....@nospam-2649.ntc.nokia.com]

those I have found while travelling:

Finland, Tele/Sonera: Displaying which band of the dual band
network is selected: e.g. Tele, Duo One

Italy, OPI: cell site (city, at least)

[Kevin Holley]

In article <01bd6ac4$74e5e680$240b...@pentium.afma.gov.au>,
NOSPAM....@tpgi.com.au (Sean Lincolne) wrote:

> I have been looking through the manual for my Nokia data card, and there
> seems to be quite a bit of terminology regarding Cell Broadcast Messages
> .
>
> Has anyone seen any sites on the net (I've already spent a couple of hou
> rs
> surfing for this stuff) that covers how CBM's actually work ?
>
> Specifically issues like data coding schemes, topics, Index, etc.
>

Octet
1-2 Serial Number
3-4 Message Identifier
5 Data Coding Scheme
6 Page Parameter
7-88 Content of message

Message ID is source and type of message. Serial Number shows when a
message is new, what geographic scope it has and differentiates different
messages with the same message id. Data Coding Scheme identifies whether
standard GSM 7-bit or 8-bit binary (data) or 16-bit UCS2. Page Parameter
indicates a multi-page message (think of teletext), e.g. page 1 or 5.

--
Kevin Holley <ke...@parsley.demon.co.uk>
http://www.parsley.demon.co.uk - Free SMS Software and more

[Graeme Simms]

Hi,

With MTN, apparantly 32 is for Traffic info. I didn't know about 20, but
I haven't seen anything from 32 and 20 in my local area. 50 and 40 work
great :-)

[Dave]

Australia has 3 GSM providers...only one, Vodaphone offers Cell Broadcast,
and that is Ch 50 for Cell Id.

MC wrote in message <89308468...@proxy.netactive.co.za>...

[Cyrano]

Hi there,

GSM operator, CELCOM in Malaysia transmits cell info, which includes the
name of the suburb and a sort of a site reference number. The other
operators do not have this function. Not so in Singapore also.

Here in Singapore, we can obtain free weather information, by requesting
for it through the SMS service. Other information like stock prices,
foreign exchange rates, football results, lottery results, airport
flight details and a host of others, are available on demand, charged on
a per request basis thru SMS.

Ian.

[philcomp]

Dave do you know what VodaPhone is using their Cell Broadcast for ?

Dave <mill...@start.com.au> wrote in article
<6hqb2p$4qu$1...@ns.dot.net.au>...

[szi...@gmail.com]

Telenor Hungary (formerly Pannon GSM) used to broadcast messages on channel 50 but that service closed in 2011.
Oh such an old msg board... Good old 90s :)