SMS Help

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Gopi - 22 Jan 2007 21:03 GMT

I am .net developer looking to build a SMS engine that can send SMS;s
to multiple phone. Is there any API to that? I am interested to know if
there is any SMS protocol to send messages.

Please guide me towards avaliable documentation on how to build a SMS
engine.

Thanks,
Gopi

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John Henderson - 26 Jan 2007 19:42 GMT

> I am .net developer looking to build a SMS engine that can
> send SMS;s to multiple phone. Is there any API to that? I am
[quoted text clipped - 3 lines]
> Please guide me towards avaliable documentation on how to
> build a SMS engine.

How are you intending to send these messages? Are you planning
to use a cellular device and lodge them over-the-air? Or do
you want to connect to an SMSC (message centre) via the
Internet, and lodge them that way?

The mechanisms are different.

You'll find a lot of information in GSM technical specification
03.40, with different aspects covered by GSM 03.38 and 07.05.
You can download these from www.etsi.org or www.3gpp.org

From a different perspective, www.winsms.com might be worth a
look as well.

John

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Gopi - 31 Jan 2007 17:16 GMT

John,

Thanks for the info.

I want to connect to an SMSC via internet.

Does the SMSC also support sending MMS messages?

Gopi

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Newby - 31 Jan 2007 19:19 GMT

> John,
>
[quoted text clipped - 5 lines]
>
> Gopi

Is there anywhere I can look up these acronyms?

SMSC? MMS?

Thanks.

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John Henderson - 31 Jan 2007 20:00 GMT

> Is there anywhere I can look up these acronyms?
>
> SMSC? MMS?

You could try the Wikipedia entries:

http://en.wikipedia.org/wiki/SMSC

http://en.wikipedia.org/wiki/Multimedia_Messaging_Service

John

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Newby - 31 Jan 2007 20:44 GMT

> > Is there anywhere I can look up these acronyms?
> >
[quoted text clipped - 7 lines]
>
> John

Thank you.

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John Henderson - 31 Jan 2007 20:11 GMT

> I want to connect to an SMSC via internet.
>
> Does the SMSC also support sending MMS messages?

I don't have any experience with direct SMS lodgement via the
Internet. It may be worth asking your carrier whether they
offer the service, or recommend anyone who does. Having found
a provider, hopefully they'll have good documentation.

If you don't have any luck, let us know and I'll have a look for
SMSC details on recent SMSs I've received with an alphanumeric
originator address (a sure sign of direct lodgement).

I'm not sure about MMS lodgement that way either.

John

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John Henderson - 31 Jan 2007 20:20 GMT

I wrote:

> If you don't have any luck, let us know and I'll have a look
> for SMSC details on recent SMSs I've received with an
> alphanumeric originator address (a sure sign of direct
> lodgement).
>
> I'm not sure about MMS lodgement that way either.

I notice that Wikipedia refers us to this service provider:
http://www.g24.li/?page=sms_features

John

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