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The Telecom Digest for Wed, 03 Nov 2021
Volume 40 : Issue 287 : "text" format

table of contents
Re: Does anyone remember the IMTS System?
Canada: China Mobile Case Raises National Security Hang-up

Message-ID: <slmec2$o13$1@panix2.panix.com> Date: 31 Oct 2021 15:56:50 -0000 From: "Scott Dorsey" <kludge@panix.com> Subject: Re: Does anyone remember the IMTS System? Antenna Man <kenpda@gmail.com> wrote: >I've been looking for a function generator app from which I can cut a >ringtone or notification tone that has the alternating 1336 and 1800 >Hz IMTS "disconnect" tones that the IMTS mobile would send out to the >base when the mobile was 'hung up'. A second or two of it would play >out over the circuit to the landline caller before the terminal >disconnected him. I always liked that signal, and would like to have >it as a notification or ring tone for some special old friends from >my IMTS days. You should be able to manually generate 1336 and 1800 tones with Audacity and edit them together. --scott -- "C'est un Nagra. C'est suisse, et tres, tres precis."
Message-ID: <20211030192837.E9243794@telecom2018.csail.mit.edu> Date: Sat, 30 Oct 2021 19:28:37 +0000 (UTC) From: Moderator <telecomdigestsubmissions@remove-this.telecom-digest.org> Subject: Canada: China Mobile Case Raises National Security Hang-up by Joshua Krane , Stephen Wortley and Connor Campbell On August 6, 2021, the Governor in Council issued an order under the Investment Canada Act (ICA) requiring a Chinese state-owned telecom company to either divest or wind up the operations of its Canadian subsidiary within 90 days (the "Order"). This followed from a national security review that began in early 2021. On September 7, 2021, the company filed an application for judicial review challenging the Order. https://www.mondaq.com/canada/terrorism-homeland-security-defence/1125134/china-mobile-case-raises-national-security-hang-up?email_access=on

End of telecom Digest Wed, 03 Nov 2021

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