Category: REN 1

The ringer equivalence number (REN) is a telecommunications measure that represents the electrical loading effect of a telephone ringer on a telephone line. In the United States, the REN was first defined by U.S. Code of Federal Regulations, Title 47, Part 68, based on the load that a standard Bell System model 500 telephone represented, and was later determined in accordance with ANSI/TIA-968-B (August 2009).

Although the REN was developed in the United States, analogous measurement systems exist internationally.

AT&T 706 Desk Phone

12/06/2021 billieh AT&T, Black, REN 1, Table Top, Touch Tone, USA Telephone, Wall Mount

So this phone was a staple in the homes of many of us in early 1992-1994. As I

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Skittles Novelty Promo Touchtone

12/02/2021 billieh Red, REN 1, Table Top, Touch Tone, USA Telephone

Honestly, I couldn’t find much on this one. It was a promo, clearly, for Skittles, and it’s not

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Bellsouth Clear Handheld Trimline

08/05/2020 billieh BellSystems, REN 1, Table Top, Touch Tone, USA Telephone

After the introduction of the popular Princess telephone line, in 1959 and the early 1960s, the design motivation for

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Metropolis Slim Designer Phone

07/21/2020 billieh ConAirPhone, Purple, REN 1, Table Top, Touch Tone, USA Telephone

I’m not sure about this one. I saw it on ebay, and recognized it’s early-90’s styling. It was

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Tyco Garfield Phone

07/20/2020 billieh Orange, REN 1, Table Top, Touch Tone, Tyco, USA Telephone

Garfield’s eyes move when phone is lifted Last number redial Tone/pulse switchable FCC and ETL approved Playful styling

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Princess Phone

06/02/2018 billieh BellSystems, REN 1, Table Top, Touch Tone, USA Telephone, White

This is really where consumers saw the potential for variety. As phones became more common in multiple rooms

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Model 500 Telephone (Black) 500MM

06/02/2018 billieh BellSystems, Black, REN 1, Rotary, Table Top, USA Telephone

Unless you are 12 years old, or have never watched movies from before 1980, you’ve likely seen

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Trimline Series Rotary Phone (TouchTone)

06/02/2018 billieh Red, REN 1, Touch Tone, USA Telephone, Western Electric

I never had one of these, but I could have sworn my grandfather had one in the bedroom.

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ITT Trimline Series Rotary Phone

06/02/2018 billieh Brown, ITT, REN 1, Rotary, USA Telephone, Western Electric

I never had one of these, but I could have sworn my grandfather had one in the bedroom.

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Model 500 Telephone

06/02/2018 billieh BellSystems, Ivory, REN 1, Rotary, Table Top, USA Telephone

Unless you are 12 years old, or have never watched movies from before 1980, you’ve likely seen

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