Phoner

Phoner and PhonerLite are softphone applications for Windows operating systems available as freeware. Phoner is a multiprotocol telephony application supporting telephony via CAPI, TAPI and VoIP, while PhonerLite provides a specialized and optimized user interface for VoIP only. Beside the different user interface focus both programs share the same code base.

Phoner
Developer(s)Heiko Sommerfeldt
Initial releaseFebruary 1998 (1998-02)[1]
Stable release
3.23 / March 5, 2021 (2021-03-05)[2]
Operating systemMicrosoft Windows
Size4.79 MB
Available in12 languages[2]
List of languages
English, German, Dutch, Italian, Greek, Czech, Bulgarian, French, Spanish, Persian, Portuguese, Polish
TypeVoIP
LicenseFreeware
Websitephoner.de/index_en.htm
PhonerLite
Initial release1 June 2005 (2005-06-01)
Stable release
3.20 / August 7, 2023 (2023-08-07)[3]
Size6.70 MB
Available in10 languages[4]
List of languages
Arabic, Czech, English, French, German, Italian, Polish, Portuguese, Russian, Spanish, Turkish
Websitelite.phoner.de/index_en.htm

Both programs use the Session Initiation Protocol for VoIP call signalisation. Calls are supported via server-based infrastructure or direct IP to IP. Media streams are transmitted via the Real-time Transport Protocol which may be encrypted with the Secure Real-time Transport Protocol (SRTP) and the ZRTP security protocols. Phoner provides as well an interface for configuring and using all supplementary ISDN services provided via CAPI and thus needs an ISDN terminal adapter hardware installed in the computer.

Both programs support IPv4 and IPv6 connections by using UDP, TCP and TLS.

Supported audio formats
  • G.711 A-law: 64 kbit/s payload, 8 kHz sampling rate
  • G.711 μ-law: 64 kbit/s payload, 8 kHz sampling rate
  • G.722: 64 kbit/s payload, 16 kHz sampling rate
  • G.726: 16, 24, 32 or 40 kbit/s payload, 8 kHz sampling rate
  • GSM: 13 kbit/s payload, 8 kHz sampling rate
  • iLBC: 13.3 or 15.2 kbit/s payload, 8 kHz sampling rate
  • Speex narrow band: 15 kbit/s payload, 8 kHz sampling rate
  • Speex wide band: 30 kbit/s payload, 16 kHz sampling rate
  • Opus: 10-50 kbit/s, up to 48 kHz sampling rate
  • G.729: 8 kbit/s payload, 8 kHz sampling rate
  • Linear PCM: 705 kbit/s payload, 44.1 kHz sampling rate

See also

References
  1. Phoner history
  2. "Phoner download". phoner.de. Retrieved 2022-02-19.
  3. "PhonerLite: download". lite.phoner.de. Retrieved 2022-02-19.
  4. "PhonerLite: features". lite.phoner.de. Retrieved 2021-04-23.


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