237:
1444:
151:
3150:
36:
442:
All collaboration sessions get automatically defined as conferences, where clients can invite more contacts. Conference initiators (usually called "organizers") can either promote participants to act as presenters or demote them to act as attendees. They can also define some basic policies about what
413:
Note: With the release of Lync Server 2013 in
October 2012, a new collaboration feature "Persistent Group Chat" which allows multi-party chat with preservation of content between chat sessions was introduced. However, only the native Windows OS client and no other platform supports this feature at
458:
instant-messaging protocol for some features. As with most instant-messaging platforms, non-Microsoft instant-messaging clients that have not implemented these publicly available extensions may not work correctly or have complete functionality. Skype for
Business supports
248:, a consumer IM platform it had acquired in 2011. This initially included support for text and voice communications. On November 11, 2014, Microsoft announced that Lync would be renamed Skype for Business in 2015, also adding support for video calls with Skype users.
1376:
671:
467:
protocol, although support for XMPP has been deprecated in Skype for
Business 2019. Text instant-messaging in a web browser is available via Skype for Business integration within Exchange Outlook Web App.
221:, a new cloud-based collaboration platform. Support for Skype for Businesses Online ended in July 2021, although a new version of Skype for Business Server will be available with a subscription license.
934:
270:
in late 2018, and announced in July 2019 that the hosted Skype for
Business Online will cease functioning on July 31, 2021. Since September 2019, Skype for Business Online is no longer offered to new
619:
763:
562:
817:
794:
418:
capabilities, (which allow teams of people to see and simultaneously work on the same documents and communications session). Lync and Skype for
Business implement these features as follows:
45:
266:) integrating persistent messaging, video conferencing, file storage, and application integration. Microsoft released a final on-premises version of Skype for Business Server as part of
732:
582:
1410:
1186:
1368:
1152:
479:
do have wider support by third-party clients, these protocols have been largely reverse-engineered by outside developers. Microsoft does offer details of its extensions on
214:(which had begun to integrate with Lync in 2013). Despite the same branding, Skype for Business and Skype have almost nothing in common and function as separate platforms.
1070:
872:
233:, released on March 19, 2009. Microsoft released the successor to Office Communicator, Lync 2010, on January 25, 2011. In November 2010, the platform was renamed Lync.
903:
1126:
1907:
1389:
Effective May 20, 2018, the
Windows Phone app for Skype for Business will be retired and will no longer be available for download from the Windows Phone Store.
926:
446:
Following
Microsoft's acquisition of Skype in May 2011, the Lync and Skype platforms could be connected, but sometimes only after lengthy provisioning time.
274:
subscribers, and are being directed to
Microsoft Teams instead. The next version of Skype for Business Server will be available with a subscription license.
611:
210:
The software was previously named Lync before rebranding to Skype for
Business in 2015, co-branding it with the Microsoft-owned consumer messaging platform
3179:
755:
1464:
1247:
1282:
2278:
1314:
821:
786:
701:
2876:
1039:
724:
429:
documents, where the participants can control and see presentations, as well as allow everybody to add text, drawing and graphical annotations.
586:
1402:
3204:
3125:
1459:
1174:
1346:
385:. The server can be set to relay messages to other instant messaging networks, avoiding installation of extra software at the client side.
2242:
1491:
956:
3189:
1148:
3002:
1511:
229:
Microsoft released Office
Communicator 2007 to production on July 28, 2007, and launched it on October 27, 2007. It was followed by
2982:
1009:
641:
675:
2401:
1532:
557:
422:
Collaboration through Whiteboard documents, where the participants have freedom to share text, drawing and graphical annotations.
381:. This makes communications more secure, as messages do not need to leave the corporate intranet, unlike with the Internet-based
1062:
864:
199:
version offered as part of 365. It supports text, audio, and video chat, and integrates with Microsoft 365 components such as
2548:
499:
Windows (Pro and Enterprise only, can download free Skype for Business Basic client) and macOS (included with Microsoft 365)
3130:
895:
2902:
258:
On September 25, 2017, Microsoft announced that Skype for Business Online would be discontinued in the future in favor of
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455:
403:
1122:
2543:
2338:
2610:
484:
2987:
121:
1100:
3209:
2209:
1617:
1594:
1484:
294:
287:
3024:
2184:
1567:
1234:
1269:
3099:
3029:
3019:
2952:
2573:
2568:
2563:
1784:
1449:
545:
1304:
3115:
3084:
3074:
3069:
1547:
443:
presenters and attendees can see and do. Deeper details of policy permissions are defined at server level.
1394:
697:
2907:
2530:
2421:
2394:
1562:
1000:
487:
kit to help developers build platforms that can interoperate with Skype for Business Server and clients.
480:
392:
71:
438:
Windows applications sharing, by allowing participants to see and collaborate on a specific application.
1477:
1212:
110:
1031:
3184:
3153:
2687:
2303:
1889:
1884:
1527:
378:
363:
217:
In September 2017, Microsoft announced that it would phase out Skype for Business Online in favor of
200:
192:
463:
and IM to other popular instant message services such as AOL, Yahoo, MSN, and any service using the
3120:
2702:
2174:
399:
150:
1734:
388:
A number of client types are available for Microsoft Skype for Business, including mobile clients.
3194:
2942:
2707:
1454:
432:
Polling lists, where Presenters can organize polls and all participants can vote and see results.
368:
Users can retrieve contact lists from a local directory service such as Microsoft Exchange Server
3214:
2997:
2932:
2387:
2008:
1799:
1336:
415:
382:
1093:"Pidgin project trouble ticket describing problems with Microsoft's SIP/Simple Implementation"
849:
756:"Microsoft Announces Skype And Lync Interoperability With IM & Audio To Start, Video Soon"
3199:
3135:
3094:
3049:
2972:
2593:
2588:
2583:
2578:
2558:
2553:
2520:
2515:
2510:
2505:
2500:
2495:
2490:
2485:
2475:
970:
535:
472:
252:
196:
435:
Desktop sharing, usually by allowing participants to see and collaborate on a Windows screen
414:
this time. The main new features of this version are the addition of real-time multi-client
3014:
2836:
2750:
2646:
2538:
2457:
2323:
2131:
2074:
1983:
1779:
1664:
540:
8:
2992:
2962:
2922:
2917:
2656:
2480:
2470:
2465:
2189:
2151:
2146:
2018:
1998:
1854:
1829:
1537:
172:
1443:
995:
649:
2927:
2821:
2811:
2786:
2735:
2273:
2003:
1938:
1794:
1684:
460:
1403:"Microsoft retiring Skype for Business, Microsoft Teams, and Yammer for Windows phone"
2937:
2841:
2831:
2816:
2745:
2740:
2651:
2641:
2636:
2446:
2119:
1601:
1589:
1542:
1500:
1096:
837:
518:
359:
334:
176:
244:
In May 2013, Microsoft announced that it would allow Lync users to communicate with
3044:
2967:
2871:
2851:
2626:
2437:
2124:
2104:
1933:
1809:
1769:
1455:
Download Microsoft Skype for Business Basic from Official Microsoft Download Center
961:
476:
371:
263:
188:
97:
236:
3079:
3034:
2977:
2866:
2861:
2801:
2796:
2765:
2725:
2666:
2661:
2631:
2217:
2048:
1968:
1764:
1759:
1754:
1699:
1654:
1557:
259:
218:
818:"Skype for Business announces new Mac client and new mobile sharing experiences"
44:
3174:
2957:
2947:
2886:
2856:
2806:
2770:
2760:
2697:
2671:
2348:
2308:
2028:
1928:
1849:
1669:
1659:
1634:
1622:
1579:
896:"Microsoft Teams is replacing Skype for Business to put more pressure on Slack"
507:
iOS (Microsoft app in iTunes app store; alternative client provided by TEL.RED)
180:
927:"Live Communications Server 2003 limits instant messaging to authorized users"
510:
Android (Microsoft app in Google Play; alternative client provided by TEL.RED)
3168:
2755:
2410:
2353:
2318:
2141:
1749:
514:
271:
2791:
2333:
2293:
2283:
1958:
1864:
1627:
1274:
1239:
262:, a cloud-based collaboration platform for corporate groups (comparable to
255:. On October 27, 2016, the Skype for Business for Mac client was released.
3089:
3008:
2880:
2826:
2730:
2258:
1694:
1689:
1341:
1309:
583:"Finding your way through Microsoft's maze of work and personal accounts"
267:
16:
Enterprise instant messaging and video conferencing software by Microsoft
495:
As of May 2018, the following Skype for Business clients are available:
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2692:
2298:
2169:
2109:
2023:
1993:
1834:
1824:
1819:
1774:
1552:
1279:
1244:
1092:
426:
204:
55:
251:
On September 22, 2015, Skype for Business 2016 was released alongside
2427:
2084:
1948:
1744:
1182:
1005:
966:
351:
184:
60:
35:
1469:
1437:
563:
List of Microsoft–Nortel Innovative Communications Alliance products
135:
2912:
2358:
2343:
2313:
2288:
2263:
2038:
1988:
1978:
1943:
1874:
1839:
1814:
1789:
1724:
1674:
787:"Microsoft waves goodbye to Lync, says hello to Skype for Business"
2268:
2194:
2114:
2079:
1953:
1844:
1714:
1709:
1704:
1679:
102:
2379:
865:"Microsoft will drop Skype for Business Online on July 31, 2021"
2368:
2363:
2199:
2099:
2089:
2033:
1973:
1869:
1739:
1729:
1369:"Install Skype for Business on a mobile device – Windows Phone"
642:"Microsoft Office Communicator 2007 Releases to Manufacturing"
293:
Windows Messenger 5.1 and Microsoft Office Communicator 2005 (
2222:
2179:
2094:
2069:
2064:
2043:
2013:
1923:
1894:
1879:
1859:
1804:
245:
211:
106:
20:
1208:
377:
All communication between the clients takes place through a
2328:
2161:
1963:
1719:
1584:
725:"Microsoft Lync 2010 arrives, succeeds Office Communicator"
464:
887:
454:
Skype for Business uses a number of extensions to the SIP/
1123:"Configure XMPP gateway access policies and certificates"
374:
can show if other people are working on the same document
114:
1450:
Download Skype for Business Apps Across All Your Devices
996:"Microsoft Office Communicator 2007 Protocol Documents"
815:
648:. Microsoft Corporation. July 28, 2007. Archived from
957:"Microsoft Office Communicator 2007 product overview"
350:Advanced features relate to integration with other
191:suite. It is designed for use with the on-premises
2279:Comparison of user features of messaging platforms
395:as the basis for its client communication protocol
330:The Basic features of Skype for Business include:
521:apps were discontinued by Microsoft in May 2018.
406:to encrypt and secure signaling and media traffic
3166:
1465:Skype for Business Online to Be Retired in 2021
1400:
1032:"Client comparison tables for Lync Server 2013"
612:"The Next Version of Skype for Business Server"
2395:
1485:
1167:
990:
988:
672:"Microsoft Communicator 2007 Life-cycle Info"
1063:"How to integrate Skype with Microsoft Lync"
816:Skype for Business Team (October 27, 2016).
698:"Microsoft Lync 2010 Life-cycle Information"
3180:Innovative Communications Alliance products
2243:List of defunct instant messaging platforms
1460:Install Skype for Business – Office Support
722:
2402:
2388:
1492:
1478:
1442:
985:
149:
34:
1235:"Skype for Business (formerly Lync 2013)"
809:
235:
77:16.0.15601.20578 / March 3, 2023
1401:Thorp-Lancaster, Dan (April 23, 2018).
1349:from the original on September 19, 2016
1270:"Sky – for Lync and Skype for Business"
1012:from the original on September 26, 2008
906:from the original on September 25, 2017
723:Protalinski, Emil (November 17, 2010).
558:Comparison of web conferencing software
530:Similar discontinued Microsoft products
3167:
1317:from the original on December 25, 2015
1250:from the original on November 26, 2015
1060:
893:
875:from the original on September 6, 2020
784:
622:from the original on February 26, 2021
2383:
1499:
1473:
1379:from the original on January 19, 2019
1189:from the original on November 4, 2016
924:
862:
753:
3131:Microsoft Office password protection
1337:"Sky: Lync & Skype for Business"
1215:from the original on January 5, 2017
1129:from the original on August 14, 2020
1042:from the original on August 26, 2017
606:
604:
471:Although other IM protocols such as
321:Skype for Business for Microsoft 365
3205:Android (operating system) software
1073:from the original on April 13, 2021
797:from the original on August 6, 2020
785:Keizer, Gregg (November 11, 2014).
766:from the original on April 16, 2022
735:from the original on April 13, 2012
678:from the original on March 30, 2022
13:
1155:from the original on July 20, 2020
894:Warren, Tom (September 25, 2017).
358:Availability of contacts based on
240:Microsoft Lync logo (2013 version)
14:
3226:
3190:Windows instant messaging clients
2409:
1429:
1413:from the original on May 29, 2018
937:from the original on July 5, 2019
704:from the original on May 26, 2021
601:
3149:
3148:
1305:"Skype for Business for Android"
1285:from the original on May 9, 2016
1103:from the original on May 8, 2008
863:Foley, Mary Jo (July 30, 2019).
43:
19:Not to be confused with regular
1361:
1329:
1297:
1262:
1227:
1201:
1141:
1115:
1085:
1054:
1024:
949:
918:
856:
295:Live Communications Server 2005
288:Live Communications Server 2003
189:Microsoft 365 (formerly Office)
126:Audio, Video, Instant Messaging
925:Yager, Tom (October 3, 2003).
778:
747:
716:
690:
664:
634:
575:
1:
3100:Visual Basic for Applications
754:Perez, Sarah (May 29, 2013).
646:Office Communicator Team Blog
568:
546:Microsoft Office Live Meeting
449:
3116:Microsoft Product Activation
3075:Object Linking and Embedding
3070:Information Bridge Framework
1175:"Install Skype for Business"
1061:Greene, Tim (May 29, 2013).
7:
616:TECHCOMMUNITY.MICROSOFT.COM
524:
504:Linux (provided by TEL.RED)
325:
303:Office Communicator 2007 R2
277:
231:Office Communicator 2007 R2
10:
3231:
3126:Office filename extensions
3035:Snapshot Viewer for Access
490:
283:Exchange 2000 Conferencing
224:
18:
3144:
3108:
3062:
2903:Discontinued shared tools
2895:
2779:
2718:
2688:Skype for Business Server
2680:
2619:
2606:
2529:
2445:
2436:
2417:
2251:
2235:
2208:
2160:
2057:
1916:
1903:
1885:Windows Messenger service
1647:
1610:
1520:
1507:
379:Skype for Business Server
364:Microsoft Exchange Server
318:Skype for Businesses 2019
315:Skype for Businesses 2016
312:Skype for Businesses 2015
193:Skype for Business Server
130:
120:
96:
92:
70:
66:
54:
42:
33:
3121:Office Genuine Advantage
3003:Project Portfolio Server
1149:"Lync 2010 API Concepts"
300:Office Communicator 2007
2983:PerformancePoint Server
286:Windows Messenger 5.0 (
79:; 18 months ago
3210:Business chat software
618:. September 25, 2020.
425:Collaboration through
416:collaborative software
383:Windows Live Messenger
241:
536:Windows Meeting Space
362:contacts stored in a
239:
197:software as a service
3025:SharePoint Workspace
2324:Presence information
1151:. January 20, 2015.
824:on December 21, 2016
541:Microsoft NetMeeting
409:Allows sharing files
3020:SharePoint Designer
652:on October 18, 2007
398:Offers support for
173:enterprise software
169:Office Communicator
30:
3085:Office XML formats
3040:Skype for Business
2822:Outlook on the web
2137:Skype for Business
1984:Facebook Messenger
1780:Facebook Messenger
973:on 19 October 2007
848:has generic name (
461:federated presence
242:
161:Skype for Business
49:Skype for Business
29:Skype for Business
28:
3162:
3161:
3058:
3057:
2602:
2601:
2377:
2376:
2231:
2230:
1643:
1642:
1501:Instant messaging
1036:Microsoft TechNet
519:Windows 10 Mobile
360:Microsoft Outlook
335:Instant messaging
177:instant messaging
158:
157:
3222:
3185:Microsoft Office
3152:
3151:
2968:Office Assistant
2617:
2616:
2443:
2442:
2438:Microsoft Office
2404:
2397:
2390:
2381:
2380:
2329:RingCentral Glip
1914:
1913:
1518:
1517:
1494:
1487:
1480:
1471:
1470:
1446:
1441:
1440:
1438:Official website
1423:
1422:
1420:
1418:
1398:
1392:
1391:
1386:
1384:
1365:
1359:
1358:
1356:
1354:
1333:
1327:
1326:
1324:
1322:
1301:
1295:
1294:
1292:
1290:
1266:
1260:
1259:
1257:
1255:
1231:
1225:
1224:
1222:
1220:
1209:"Lync for Linux"
1205:
1199:
1198:
1196:
1194:
1171:
1165:
1164:
1162:
1160:
1145:
1139:
1138:
1136:
1134:
1119:
1113:
1112:
1110:
1108:
1089:
1083:
1082:
1080:
1078:
1058:
1052:
1051:
1049:
1047:
1028:
1022:
1021:
1019:
1017:
992:
983:
982:
980:
978:
969:. Archived from
962:Microsoft Office
953:
947:
946:
944:
942:
922:
916:
915:
913:
911:
891:
885:
884:
882:
880:
860:
854:
853:
847:
843:
841:
833:
831:
829:
820:. Archived from
813:
807:
806:
804:
802:
782:
776:
775:
773:
771:
751:
745:
744:
742:
740:
720:
714:
713:
711:
709:
694:
688:
687:
685:
683:
668:
662:
661:
659:
657:
638:
632:
631:
629:
627:
608:
599:
598:
596:
594:
585:. Archived from
579:
483:and provides an
372:Microsoft Office
195:software, and a
175:application for
154:
153:
146:
143:
141:
139:
137:
98:Operating system
87:
85:
80:
47:
38:
31:
27:
3230:
3229:
3225:
3224:
3223:
3221:
3220:
3219:
3165:
3164:
3163:
3158:
3140:
3104:
3080:Office Open XML
3054:
2988:Picture Manager
2978:OneDrive Groups
2891:
2775:
2714:
2676:
2608:
2598:
2525:
2432:
2413:
2408:
2378:
2373:
2247:
2227:
2218:Microsoft Teams
2204:
2156:
2053:
1917:Single protocol
1905:
1899:
1840:Textfree/Pinger
1700:Google Messages
1639:
1606:
1558:Signal Protocol
1509:
1503:
1498:
1436:
1435:
1432:
1427:
1426:
1416:
1414:
1407:Windows Central
1399:
1395:
1382:
1380:
1367:
1366:
1362:
1352:
1350:
1335:
1334:
1330:
1320:
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1302:
1298:
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1233:
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1228:
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1202:
1192:
1190:
1173:
1172:
1168:
1158:
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1147:
1146:
1142:
1132:
1130:
1121:
1120:
1116:
1106:
1104:
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1090:
1086:
1076:
1074:
1059:
1055:
1045:
1043:
1030:
1029:
1025:
1015:
1013:
994:
993:
986:
976:
974:
955:
954:
950:
940:
938:
923:
919:
909:
907:
892:
888:
878:
876:
861:
857:
845:
844:
835:
834:
827:
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814:
810:
800:
798:
783:
779:
769:
767:
752:
748:
738:
736:
721:
717:
707:
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696:
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691:
681:
679:
670:
669:
665:
655:
653:
640:
639:
635:
625:
623:
610:
609:
602:
592:
590:
589:on May 30, 2020
581:
580:
576:
571:
527:
493:
452:
346:Desktop sharing
328:
280:
260:Microsoft Teams
227:
219:Microsoft Teams
187:as part of the
148:
134:
88:
83:
81:
78:
50:
24:
17:
12:
11:
5:
3228:
3218:
3217:
3212:
3207:
3202:
3197:
3195:Videotelephony
3192:
3187:
3182:
3177:
3160:
3159:
3157:
3156:
3145:
3142:
3141:
3139:
3138:
3133:
3128:
3123:
3118:
3112:
3110:
3106:
3105:
3103:
3102:
3097:
3092:
3087:
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3077:
3072:
3066:
3064:
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3059:
3056:
3055:
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3037:
3032:
3027:
3022:
3017:
3012:
3005:
3000:
2995:
2990:
2985:
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2975:
2970:
2965:
2960:
2955:
2950:
2945:
2940:
2935:
2930:
2925:
2920:
2915:
2910:
2905:
2899:
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2892:
2890:
2889:
2884:
2874:
2869:
2864:
2859:
2854:
2849:
2844:
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1373:Office Support
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1179:Office support
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181:videotelephony
165:Microsoft Lync
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72:Stable release
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2943:Liquid Motion
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2411:Microsoft 365
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1375:. Microsoft.
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41:
37:
32:
26:
22:
3200:IOS software
3109:Other topics
3063:Technologies
3039:
3030:Shared tools
3007:
2998:Photo Editor
2953:Live Meeting
2933:InterConnect
2896:Discontinued
2607:Applications
2334:SMS language
2294:File sharing
2284:Contact list
2136:
1959:HCL Sametime
1865:VK Messenger
1735:IRC Networks
1415:. Retrieved
1406:
1396:
1388:
1381:. Retrieved
1372:
1363:
1351:. Retrieved
1340:
1331:
1321:December 31,
1319:. Retrieved
1308:
1299:
1287:. Retrieved
1275:iTunes Store
1273:
1264:
1254:November 22,
1252:. Retrieved
1240:iTunes Store
1238:
1229:
1217:. Retrieved
1203:
1191:. Retrieved
1178:
1169:
1157:. Retrieved
1143:
1133:September 7,
1131:. Retrieved
1117:
1105:. Retrieved
1087:
1075:. Retrieved
1066:
1056:
1044:. Retrieved
1035:
1026:
1014:. Retrieved
999:
975:. Retrieved
971:the original
960:
951:
939:. Retrieved
930:
920:
908:. Retrieved
899:
889:
877:. Retrieved
868:
858:
826:. Retrieved
822:the original
811:
799:. Retrieved
790:
780:
768:. Retrieved
759:
749:
737:. Retrieved
729:Ars Technica
728:
718:
706:. Retrieved
692:
680:. Retrieved
666:
654:. Retrieved
650:the original
645:
636:
624:. Retrieved
615:
591:. Retrieved
587:the original
577:
513:
494:
470:
453:
445:
441:
412:
349:
329:
257:
250:
243:
230:
228:
216:
209:
168:
164:
160:
159:
56:Developer(s)
25:
3090:Power Pivot
3050:Word Viewer
3009:Ribbon Hero
2973:Office Live
2881:Viva Engage
2827:Outlook.com
2259:Backchannel
2147:Thunderbird
1695:Google Meet
1690:Google Chat
1342:Google Play
1310:Google Play
1211:. TEL.RED.
1193:November 2,
879:February 9,
801:February 9,
770:February 9,
739:February 9,
682:October 25,
343:Video calls
340:Audio calls
268:Office 2019
253:Office 2016
3169:Categories
3095:Smart tags
2908:Accounting
2847:SharePoint
2837:PowerPoint
2751:PowerPoint
2693:SharePoint
2647:PowerPoint
2299:FirstClass
2170:ChatSecure
2110:Miranda NG
1994:Retroshare
1908:comparison
1785:The Palace
1775:Mattermost
1770:Marco Polo
1553:Retroshare
1512:comparison
1280:Apple Inc.
1245:Apple Inc.
1219:January 1,
1046:August 26,
1016:August 15,
977:10 October
760:TechCrunch
569:References
450:Extensions
427:PowerPoint
354:software:
205:SharePoint
163:(formerly
84:2023-03-03
3015:Schedule+
2993:PhotoDraw
2963:Classroom
2923:FrontPage
2918:Entourage
2657:Publisher
2428:Microsoft
2142:Telepathy
2085:Centericq
1949:Gadu-Gadu
1745:KakaoTalk
1508:Protocols
1383:March 18,
1353:April 17,
1289:April 17,
1183:Microsoft
1159:March 18,
1077:March 24,
1006:Microsoft
967:Microsoft
941:March 16,
931:InfoWorld
900:The Verge
828:March 18,
708:March 18,
656:March 18,
352:Microsoft
309:Lync 2013
306:Lync 2010
185:Microsoft
144:/business
61:Microsoft
3154:Category
2928:InfoPath
2913:Docs.com
2812:OneDrive
2787:Bookings
2736:OneDrive
2359:Web chat
2344:U-Report
2314:Hall.com
2309:Fuze Box
2289:Emoticon
2264:Chat log
2252:See also
2152:Trillian
2132:QIP 2010
2105:Messages
2039:WhatsApp
2019:Telegram
1999:Ricochet
1989:Palringo
1979:Linphone
1944:FaceTime
1924:Baidu Hi
1875:WhatsApp
1855:Trillian
1830:Telegram
1815:Snapchat
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