Ars Technica

Modem responds very slow to AT commands in RH7.2

Using a SupraSonicII dual line capable ISA modem, BX chipset modo, PII 400, RH7.2 updated.<P>In minicom, issuing AT commands to the modem work, but take about 5 seconds a piece to respond. Dmesg shows ...
Threat Post

AT Command Hitch Leaves Android Phones Open to Attack

Researchers used AT commands to rewrite device firmware, bypass Android security mechanisms, exfiltrate sensitive device information, and unlock screens. Attackers can use AT commands to launch ...
Bleeping Computer

Smartphones From 11 OEMs Vulnerable to Attacks via Hidden AT Commands

Millions of mobile devices from eleven smartphone vendors are vulnerable to attacks carried out using AT commands, a team of security researchers has discovered. AT (ATtention) commands, or the Hayes ...
EDN

Modem chip set aims at cost-sensitive apps

Austin, Texas – The latest member of Silicon Laboratories Inc.'s ISOmodem family, the Si2401 two-chip set, will transfer 2,400 bits/second over a variety of global phone systems. It supports V.42 and ...
EDN

Modem chip set

Austin, Texas — The latest version of ISOmodem family, the Si2401 two-chip set, will transfer 2,400 bits per second over a variety of global phone systems. It supports V.42 and MNP error-correction ...