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'''Gizmo5''' (formerly known as '''Gizmo Project''') is the name of a [[peer-to-peer]] [[VoIP]] [[telecommunications network|network]] and of a [[proprietary software|proprietary]] [[freeware]] [[soft phone]] for that network.
'''Gizmo5''' (formerly known as '''Gizmo Project''') is the name of a [[peer-to-peer]] [[VoIP]] [[telecommunications network|network]] and of a [[proprietary software|proprietary]] [[freeware]] [[soft phone]] for that network.


Gizmo Project was founded by [[Michael Robertson (businessman)|Michael Robertson]].<ref>{{cite web|url=http://www.voipplanet.com/reviews/article.php/3607481|title=Softphones Reviewed: Gizmo Project|last=Stevenson|first=Ted|date=May 19, 2006|publisher=Voip Planet|accessdate=2008-09-15}}</ref> Unlike its competitor network [[Skype]], the Gizmo5 network uses open standards for call management, [[Session Initiation Protocol]] and [[Jabber]].<ref>{{cite web|url=http://www.tomsnetworking.com/2006/01/18/crowning_the_king_of_free_talk_/|title=Crowning the King of Free Talk - Skype vs. Gizmo|last=Boiko-Weyrauch|first=Derek|date=January 18, 2006|publisher=Tom's Guide|pages=1|accessdate=2008-09-15}}</ref> But it uses several proprietary [[codec]]s, and like Skype, the Gizmo5 client is proprietary/[[closed source software]]. Gizmo5 is run by the company SIPphone.
Gizmo Project was founded by [[Michael Robertson (businessman)|Michael Robertson]].<ref>{{cite web|url=http://www.voipplanet.com/reviews/article.php/3607481|title=Softphones Reviewed: Gizmo Project|last=Stevenson|first=Ted|date=May 19, 2006|publisher=Voip Planet|accessdate=2008-09-15}}</ref> Unlike its competitor network [[Skype]], the Gizmo5 network uses open standards for call management, [[Session Initiation Protocol]] and [[Jabber]].<ref>{{cite web|http://jk3.us/2005/09/16/gizmos-jabber-server/|title=Gizmo's Jabber Server - Jay Knight|last=Knight|first=Jay|date=September 16, 2005|publisher=Jay Knight|accessdate=2009-01-15}}web|url=http://www.tomsnetworking.com/2006/01/18/crowning_the_king_of_free_talk_/|title=Crowning the King of Free Talk - Skype vs. Gizmo|last=Boiko-Weyrauch|first=Derek|date=January 18, 2006|publisher=Tom's Guide|pages=1|accessdate=2008-09-15}}</ref> But it uses several proprietary [[codec]]s, and like Skype, the Gizmo5 client is proprietary/[[closed source software]]. Gizmo5 is run by the company SIPphone.


Since Gizmo5 is based on [[Session Initiation Protocol|SIP]], it can inter-operate with other SIP-based networks directly, although some data will always be routed via central SIPphone-servers, making it less than ideal in these settings from a privacy and security perspective.{{fact|date=September 2008}} This avoids the [[Public Switched Telephone Network|phone system]] and is thus free of charge. Gizmo also will use encryption ([[Secure Real-time Transport Protocol|SRTP]]) for Gizmo to Gizmo calls and works well with [[Phil Zimmermann]]'s new [[Zfone]] secure add on.<ref>{{cite web|url=http://zfoneproject.com/getstarted.html|title=The Zfone Project - Getting Started with Zfone|accessdate=2008-11-16}}</ref>
Since Gizmo5 is based on [[Session Initiation Protocol|SIP]], it can inter-operate with other SIP-based networks directly, although some data will always be routed via central SIPphone-servers, making it less than ideal in these settings from a privacy and security perspective.{{fact|date=September 2008}} This avoids the [[Public Switched Telephone Network|phone system]] and is thus free of charge. Gizmo also will use encryption ([[Secure Real-time Transport Protocol|SRTP]]) for Gizmo to Gizmo calls and works well with [[Phil Zimmermann]]'s new [[Zfone]] secure add on.<ref>{{cite web|url=http://zfoneproject.com/getstarted.html|title=The Zfone Project - Getting Started with Zfone|accessdate=2008-11-16}}</ref>
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Gizmo 4.0 Beta offers video calling. Gizmo5 offers Gizmo on a smartphone platform.
Gizmo 4.0 Beta offers video calling. Gizmo5 offers Gizmo on a smartphone platform.


The text chat function of Gizmo5 utilizes the [[Jabber]] protocol.{{fact|date=September 2008}} Users using Gizmo5 can be reached through the Jabber protocol at '''username'''@chat.gizmoproject.com
The text chat function of Gizmo5 utilizes the [[Jabber]] protocol.<ref>{{cite web|url=http://jk3.us/2005/09/16/gizmos-jabber-server/|title=Gizmo's Jabber Server|last=Knight|first=Jay|date=September 16, 2005|publisher=Jay Knight|accessdate=2009-01-15}}</ref> Users using Gizmo5 can be reached through the Jabber protocol at '''username'''@chat.gizmoproject.com


== Free calls to landline/mobile phones ==
== Free calls to landline/mobile phones ==

Revision as of 13:40, 15 January 2009

Developer(s)SIPphone
Stable release
4.0.0.386 (Windows), 4.0.0.266 (Mac), 3.1.0.79 (Linux) / 2008 September 12 (Windows), 2008 July 2 (Mac), 2007 November 29 (Linux)
Operating systemMac OS X, Linux, Windows, Internet Tablet OS, Symbian
TypePeer-to-peer internet telephony
LicenseFreeware
Websitehttp://gizmo5.com

Gizmo5 (formerly known as Gizmo Project) is the name of a peer-to-peer VoIP network and of a proprietary freeware soft phone for that network.

Gizmo Project was founded by Michael Robertson.[1] Unlike its competitor network Skype, the Gizmo5 network uses open standards for call management, Session Initiation Protocol and Jabber.[2] But it uses several proprietary codecs, and like Skype, the Gizmo5 client is proprietary/closed source software. Gizmo5 is run by the company SIPphone.

Since Gizmo5 is based on SIP, it can inter-operate with other SIP-based networks directly, although some data will always be routed via central SIPphone-servers, making it less than ideal in these settings from a privacy and security perspective.[citation needed] This avoids the phone system and is thus free of charge. Gizmo also will use encryption (SRTP) for Gizmo to Gizmo calls and works well with Phil Zimmermann's new Zfone secure add on.[3]

The Gizmo5 software also has additional features that are unique to itself, such as interoperability with other systems/services via the SIP standard, built-in recording, and free voicemail. Gizmo also allows paid members of LiveJournal to make 'voiceposts' if they are unable to use the voicepost telephone lines provided by the website.[4]

Gizmo supports outbound caller ID in the United States,[5] where people commonly reject incoming calls from unknown numbers.

Gizmo 4.0 Beta offers video calling. Gizmo5 offers Gizmo on a smartphone platform.

The text chat function of Gizmo5 utilizes the Jabber protocol.[6] Users using Gizmo5 can be reached through the Jabber protocol at username@chat.gizmoproject.com

Free calls to landline/mobile phones

Gizmo5 offers free calls from a computer to the landline/mobile phones of other Gizmo users, but with restrictions that aren't fully disclosed.[7] For example, presently only 11% of US phone numbers are eligible to receive a free Backdoor call from Gizmo.[8] As a result, accounts can switch between a qualified and unqualified status without notice.[citation needed]

One of the restrictions is that calls to sipbroker, which should be a sip to sip free call, are only connected if made through the use of sip minutes.[citation needed]

Gizmo5 on Mobile Phones

The Gizmo5 Mobile client uses mobile phone plan minutes. When such calls are made, the Gizmo5 service calls the phone #s of both parties and connects the call. With a mobile phone that supports SIP, such as most Nokia E and N-series, calls can be made over WiFi or 3G. In the case of WiFi the calls to Gizmo users are free, and calls to regular phones only cost the Gizmo Call Out credit. On 3G, additional cost may appear depending on the user's data plan. [citation needed]

See also

References

  1. ^ Stevenson, Ted (May 19, 2006). "Softphones Reviewed: Gizmo Project". Voip Planet. Retrieved 2008-09-15.
  2. ^ Knight, Jay (September 16, 2005). "Gizmo's Jabber Server - Jay Knight". Jay Knight. {{cite web}}: |access-date= requires |url= (help); Missing or empty |url= (help); Text "http://jk3.us/2005/09/16/gizmos-jabber-server/" ignored (help)web|url=http://www.tomsnetworking.com/2006/01/18/crowning_the_king_of_free_talk_/%7Ctitle=Crowning the King of Free Talk - Skype vs. Gizmo|last=Boiko-Weyrauch|first=Derek|date=January 18, 2006|publisher=Tom's Guide|pages=1|accessdate=2008-09-15}}
  3. ^ "The Zfone Project - Getting Started with Zfone". Retrieved 2008-11-16.
  4. ^ Barnard, Patrick (October 17, 2006). "LiveJournal Adds Gizmo, Letting Users Make Free VoIP Calls". TMCNet. Retrieved 2008-09-15.
  5. ^ "Gizmo5 Knowledgebase". Gizmo5. September 27, 2005. Retrieved 2008-09-15.
  6. ^ Knight, Jay (September 16, 2005). "Gizmo's Jabber Server". Jay Knight. Retrieved 2009-01-15.
  7. ^ "Are there any restrictions on where I can call?". Gizmo5 Knowledgebase. November 14, 2007. Retrieved 2008-09-15.
  8. ^ "Backdoor Dialing". Gizmo5. Retrieved 2008-09-15.
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