U+2121 TELEPHONE SIGN

The Unicode character U+2121, officially named TELEPHONE SIGN, was introduced in Unicode version 1.1. It is part of the Letterlike Symbols block, which belongs to the Basic Multilingual plane. Previously, it was also referred to as T E L SYMBOL.

Categorized technically as a Other Symbol, this character typically falls under the Common script. In terms of text layout and rendering, the glyph is a compatibility composition and has ambiguous in East Asian typography. When placed in bidirectional text, it behaves as an Other Neutral character. Its visual representation remains not mirrored regardless of the reading direction.