# 64characters/Telephone

SIP softphone for Mac

Repository: https://github.com/64characters/Telephone
Canonical: https://ross.abutalabs.com/products/telephone
Homepage: https://www.64characters.com/telephone
Language: Swift
License: GPL-3.0
License Family: copyleft
Topics: sip, voip, softphone, mac-app, phone-calls
Last push: 2026-07-12T14:12:10+00:00

## Health v2 (maintenance only)
Score: 64/100 (v2, computed 2026-09-03T02:20:16.233290+00:00)
- activity 92, release rhythm 8, longevity 100
- inputs: {"age_days": 5709, "days_push": 52, "days_rel": null, "gap_med": null, "n_releases_24m": 0}
- flags: none
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 1164, forks 233 (observed 2026-08-28T04:03:49.928285+00:00)

## What it is
Telephone is a free open-source SIP softphone for macOS that lets users make and receive phone calls over the Internet or a company network. It replaces a physical desk phone with a Mac app whenever the phone line supports the SIP protocol.

## Use cases
- make phone calls over the internet from my mac
- sip softphone for macos
- replace office desk phone with a mac app
- use my sip phone line on a computer
- receive work calls on my mac while remote
- free voip client for mac

## When to choose
- you need a native macOS SIP client instead of a physical phone
- your phone provider or PBX supports the SIP protocol
- you want a free, open-source softphone without subscriptions

## When to avoid
- you need video calling (video support is disabled)
- you need a softphone on Windows or Linux
- you want to contribute code - pull requests are not accepted

## Facets
- artifact type: application
- maturity: active
- function: http-client, security
- domain: messaging-platforms, networking, apple-ecosystem
- platform: -
- tags: sip, voip, softphone, phone-calls, pjsip, open-source, macos

## Member repositories
- 64characters/Telephone (main) score 64

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:03:49.928285+00:00.
- Health v2: computed from the inputs above; adoption is never an input.
- Inferred fields (summary, facets, guidance): AI-extracted, prompt v1, taxonomy v1, on 2026-08-30T06:29:29.178355+00:00, confidence not recorded.
  - readme: https://github.com/64characters/Telephone (fetched 2026-08-28T04:03:49.928285+00:00, sha 9284db8cf803)
- Data as of 2026-08-30T08:39:29.467469+00:00.