The Subscriber Identity Module inside my phone was replaced when I switched carriers.

The technician sorted the damaged Subscriber Identity Modules before sending them for analysis.

The provider repaired several digital subscriber lines that were damaged during the storm.

The introduction of subscriber trunk dialling in the 1950s transformed long-distance communication by allowing callers to dial numbers directly without operator assistance.

The company installed an Asymmetric Digital Subscriber Line to improve internet performance, though upload rates remained lower than download rates.

Several businesses in the area switched to Asymmetric Digital Subscriber Lines to handle increased bandwidth demands.