Re: Hangup string in e-mail message?

[philippe.vivarelli]

Well,

Even the +++ sequence is patented by Hayes so modem manufacturers have to pay a
license anyway.






David Newall <[EMAIL PROTECTED]> on 10/25/99 09:39:33 AM

To:   Philippe Vivarelli/Intl/Conexant
cc:   [EMAIL PROTECTED], [EMAIL PROTECTED]
Subject:  Re: Hangup string in e-mail message?




> When a modem is in Online mode (Send/Receive data) to switch it in
> Command mode (AT) it need to receive the +++ string with a minimum time
> guard between before the first and the last + and also a maximum time
> between +.

I thought the guard time was covered by a patent owned by Hayes (RIP), and
that some (many?) modem manufacturers don't include it to avoid licensing
costs.






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