Telephone (application)

This article has multiple issues. Please help improve it or discuss these issues on the talk page . (Learn how and when to remove these messages)

This article needs additional citations for verification . Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed.
Find sources: "Telephone" application – news · newspapers · books · scholar · JSTOR (September 2020) (Learn how and when to remove this message)

The topic of this article may not meet Wikipedia's notability guidelines for products and services . Please help to demonstrate the notability of the topic by citing reliable secondary sources that are independent of the topic and provide significant coverage of it beyond a mere trivial mention. If notability cannot be shown, the article is likely to be merged, redirected, or deleted.
Find sources: "Telephone" application – news · newspapers · books · scholar · JSTOR (September 2020) (Learn how and when to remove this message)

(Learn how and when to remove this message)

Telephone

Developer(s)	64 Characters

Stable release	1.6 / June 29, 2022; 2 years ago (2022年06月29日)
Written in	Objective-C, Swift
Operating system	macOS
Available in	English, German, Russian
License	2016: GPL-3.0-or-later ^[1] 2008: BSD-3-Clause ^[2]
Website	www.64characters.com/telephone

Telephone is a softphone for macOS developed by 64 Characters. It uses Session Initiation Protocol for communication. Telephone is distributed as free software under the GPL-3.0-or-later license.