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234:, Flash, Hold, Transfer etc.) and often additional features typical for online messaging, such as user presence indication, video, wide-band audio. Softphones provide a variety of audio codecs, a typical minimum set is G.711 and G.729.
145:, or other computer and allows the user to place and receive calls without requiring an actual telephone set. Often, a softphone is designed to behave like a traditional telephone, sometimes appearing as an image of a
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using a general purpose computer rather than dedicated hardware. The softphone can be installed on a piece of equipment such as a
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To make voice calls via the
Internet, a user typically requires the following:
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protocol (IAX), a protocol supported by the open-source software application
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A modern PC with a microphone and speaker, or with a headset, or USB phone.
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A typical softphone has all standard telephony features (DND, Mute,
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Software program for making telephone calls over the
Internet
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340:"Citation from article entitled - Softphone initiation"
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To communicate, both end-points must support the same
203:, a popular service, uses proprietary protocols, and
49:. Unsourced material may be challenged and removed.
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249:Reliable high-speed Internet connectivity like
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1441:Global telecommunications regulation bodies
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209:Extensible Messaging and Presence Protocol
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109:Learn how and when to remove this message
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47:adding citations to reliable sources
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258:Internet telephony service provider
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365:"SoftPhone - Community Help Wiki"
214:Some softphones also support the
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1076:Free-space optical communication
184:, and at least one common audio
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390:"Freetring - Free calls online"
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197:Internet Engineering Task Force
191:Many service providers use the
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34:needs additional citations for
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294:Computer telephony integration
1:
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1462:Telecommunication portal
1243:Telecommunications equipment
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979:Alexander Stepanovich Popov
289:Comparison of VoIP software
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193:Session Initiation Protocol
171:Comparison of VoIP software
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683:Telecommunications history
195:(SIP) standardized by the
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1291:Public Switched Telephone
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1103:telecommunication circuit
1064:Fiber-optic communication
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809:Francis Blake (telephone)
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604:Optical telecommunication
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344:S594098268.online-home.ca
267:Mobile or landline phone.
1202:Orbital angular-momentum
639:Satellite communications
478:Communications satellite
253:(DSL), or cable service.
1081:Molecular communication
904:Gardiner Greene Hubbard
733:Undersea telegraph line
468:Cable protection system
251:digital subscriber line
216:Inter-Asterisk eXchange
176:Communication protocols
1223:Communication protocol
1009:Charles Sumner Tainter
824:Walter Houser Brattain
769:Edwin Howard Armstrong
577:Information revolution
182:voice-over-IP protocol
1197:Polarization-division
929:Narinder Singh Kapany
894:Erna Schneider Hoover
814:Jagadish Chandra Bose
794:Alexander Graham Bell
525:online video platform
1039:Vladimir K. Zworykin
999:Almon Brown Strowger
969:Charles Grafton Page
624:Prepaid mobile phone
552:Electrical telegraph
304:List of SIP software
157:of the PC or with a
43:improve this article
989:Johann Philipp Reis
748:Wireless revolution
710:The Telephone Cases
567:Hydraulic telegraph
129:program for making
1187:Frequency-division
1164:Telephone exchange
1034:Charles Wheatstone
964:Jun-ichi Nishizawa
939:Innocenzo Manzetti
874:Reginald Fessenden
609:Optical telegraphy
442:Telecommunications
1500:
1499:
1238:Store and forward
1233:Data transmission
1147:Network switching
1098:Transmission line
944:Guglielmo Marconi
909:Internet pioneers
774:Mohamed M. Atalla
743:Whistled language
153:connected to the
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1331:Notable networks
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1261:Cellular network
1253:Types of network
1228:Computer network
1115:Network topology
1029:Thomas A. Watson
884:Oliver Heaviside
869:Philo Farnsworth
844:Daniel Davis Jr.
819:Charles Bourseul
779:John Logie Baird
488:Data compression
483:Computer network
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974:Radia Perlman
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859:Thomas Edison
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849:Donald Davies
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834:Claude Chappe
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656:Semiconductor
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515:Digital media
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394:freetring.com
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60: –
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55:
54:Find sources:
48:
44:
38:
37:
32:This article
30:
26:
21:
20:
1174:Multiplexing
1049:Transmission
1014:Nikola Tesla
1004:Henry Sutton
959:Samuel Morse
889:Robert Hooke
854:Amos Dolbear
789:John Bardeen
708:
688:Telautograph
592:Mobile phone
547:Edholm's law
530:social media
463:Broadcasting
397:. Retrieved
393:
384:
372:. Retrieved
368:
359:
347:. Retrieved
343:
334:
241:
238:Requirements
229:
219:
213:
190:
179:
168:
165:Applications
122:
120:
105:
99:October 2017
96:
86:
79:
72:
65:
53:
41:Please help
36:verification
33:
1374:NPL network
1086:Radio waves
1024:Alfred Vail
934:Hedy Lamarr
919:Dawon Kahng
879:Elisha Gray
839:Yogen Dalal
764:Nasir Ahmed
698:Teleprinter
562:Heliographs
309:Mobile VoIP
279:Auto dialer
205:Google Talk
58:"Softphone"
1420:Antarctica
1379:Toasternet
1301:Television
784:Paul Baran
716:Television
700:(teletype)
693:Telegraphy
671:transistor
649:Phryctoria
619:Photophone
597:Smartphone
587:Mass media
374:14 October
349:14 October
326:References
319:VoIP phone
155:sound card
69:newspapers
1404:Americas
1393:Locations
1364:Internet2
1125:Bandwidth
829:Vint Cerf
726:streaming
704:Telephone
644:Semaphore
535:streaming
264:provider.
159:USB phone
131:telephone
123:softphone
1507:Category
1472:Category
1359:Internet
1349:CYCLADES
1266:Ethernet
1216:Concepts
1140:terminal
1091:wireless
914:Bob Kahn
757:Pioneers
582:Internet
473:Cable TV
284:Chatcord
272:See also
226:Features
220:Asterisk
211:(XMPP).
199:(IETF).
135:Internet
127:software
1492:Commons
1482:Outline
1435:Oceania
1354:FidoNet
1339:ARPANET
1152:circuit
721:digital
450:History
399:22 July
151:headset
147:handset
139:desktop
83:scholar
1430:Europe
1400:Africa
1384:Usenet
1344:BITNET
1281:Mobile
1157:packet
666:MOSFET
661:device
458:Beacon
262:IP PBX
85:
78:
71:
64:
56:
1413:South
1408:North
1369:JANET
1306:Telex
1296:Radio
1135:Nodes
1130:Links
1051:media
629:Radio
614:Pager
542:Drums
508:video
503:image
493:audio
299:H.323
201:Skype
186:codec
125:is a
90:JSTOR
76:books
1425:Asia
1311:UUCP
1271:ISDN
401:2021
376:2017
351:2017
232:DTMF
169:See
62:news
1316:WAN
1286:NGN
1276:LAN
557:Fax
498:DCT
260:or
45:by
1509::
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141:,
121:A
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1439:(
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106:(
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97:(
87:·
80:·
73:·
66:·
39:.
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
