More impossible Caller ID [Telecom]

Every now and again, I ignore calls coming from what I assume is a telemarketer. The latest two were from 506 221-14516 and 506 224-47271

That's right. 11 digits were passed along in Caller ID.

How is this done? Why isn't it a fixed-length field of 10 digits and why isn't there any error checking along the way?

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Posted 5 years ago by Adam H. Kerman in General Telecommunications Forum

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