Date: Mon, 13 Aug 2001 16:15:48 +0200 From: "Pietro Lauro" <lauro@engineer.com> To: "Oliver von Bueren" <ovb@ovb.ch>, <freebsd-isdn@freebsd.org> Subject: Re: SMS per ISDN Message-ID: <001a01c12402$74f1e930$d80110ac@LAUROMOBILE> References: <a9f0nto71pduvps097uauph9f6t15g5jir@4ax.com>
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Good Afternoon everybody. AFAIK, also here in Italy there is the major telecommunication company formerly stae owned..) which allows sending SMS over telephone lines. It is not necessary to have an ISDN link, i have been informed that the only phone on sale for the moment which supports this feature is an analogic one, and if you want to use it over ISDN you need a TA with analogic I/O connection to the "inner world" where inner means user side.. I know that the SMS over copper wire actually uses an SMS center ( SMC: Service Message Center ), so i think that it is useless to think ISDN, actually it should work more or less like a GSM Mobile phone, so why bother ISDN? In Italy the SMC is a Telecom Italia number , and the "noise" you hear when the system is working looks like a modem that connects to a number, then delivers a bunch of bits, then disconnects after receiving o.k. More or less like a fax with intermediate redirection. Anyway this 'feels' like following sequence: User sends to SMC : 1) Delivery Number 2) Message SMC receives 1+2 and acknowledges. SMC delivers to 1) the payload 2) SMC bills User for the service I have seen a fantastic software i do use on my portable ( yeeechhhh Windoze 20000, but it's corporate property, so it's free and at home I can use FreeBSD ). The software uses a proprietary library, and is able to connect via a modem to a land service center. Maybe that the gentleman who wrote the jewel can give us a bit of info. Anyway I am sure that a SMC is required, because nobody can use a service for free, and to bill for a service a company needs tahat all messages passes trough an SMC. Hope info are useful outta there, even if those are not technical. The site for the software is http://www.derdack.com Best Regards Pietro Lauro To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-isdn" in the body of the message
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