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SIP Software and related topics
Unified communications as a service(UCaaS)
en.wikipedia.org/wiki/Unified_communications_as_a_service
AT&T Makes AT&T Office@Hand a Lead Offer for Unified Communications as a Service Solutions Barron's 2019(11/04) article
en.wikipedia.org/wiki/BroadSoft "It partners with more than 600 carriers and 25 of the world’s 30 largest service providers in 80 countries. The company provides the building blocks for service providers to build cloud-based communications services such as voice, video, web conferencing and now team messaging and contextual services."
en.wikipedia.org/wiki/Layer_2_Tunneling_Protocol "The two endpoints of an L2TP tunnel are called the LAC (L2TP Access Concentrator) and the LNS (L2TP Network Server)."
Tunnels L2TP is one of the 6 main link layer protocols listed here en.wikipedia.org/wiki/Internet_protocol_suite
Session Internet Protocol(SIP) is one of the 24 main application layer protocols listed here en.wikipedia.org/wiki/Internet_protocol_suite
Below is most of the SIP Software listed here en.wikipedia.org/wiki/List_of_SIP_software
| Servers | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Free and open-source license | ||||||||||||||
| 
| 
| ||||||||||||
| Asterisk (PBX) 1 ? ?, US 1999 | Kamailio ? 2002(09) | YXA 46 ? ?, SE 2002 | SipXecs 1 ? Boston, MA 2003 | |||||||||||
| 
| 
| 
| |||||||||||
| Mobicents ? 2004 | Yate (Yet Another Telephony Engine) ? 2004 | FreePBX ? 2004(11/28) | FreeSWITCH ? 2006(01) | |||||||||||
| ||||||||||||||
| SailFin ? 2007(05) | GNU SIP Witch ? 2015(12/13) | Issabel | Cipango (sip server)
| Proprietary license
| 
...
| 3CX | 357 ? Nicosia, CY 2005(11/01) Dialogic Corp | 1 07054 4 Gatehill Drive, Parsippany, NJ ...
| | ||||||
| Clients | |||
|---|---|---|---|
| Free and open-source license | |||
| 
|
| 
|
| Ekiga 32 ? ?, BE 2000(12) | Jitsi 33 ? ?, FR 2003 | Yate (Yet Another Telephony Engine) ? 2004 | Twinkle ? 2005(04/27) |
| 
| 
| |
| QuteCom 33 ? ?, FR 2005(06/25) | KPhone 1C ? ?, CA 2008(11/22) | Empathy ? 2009(03) | Jami ? 2009 |
| 
| 
| |
| Blink ? 2009(12/01) | MicroSIP ? 2011(06/10) | Linphone 33 ? ?, FR | Telephone |
| Proprietary license | |||
| 
| ||
| Phoner and PhonerLite 49 ? ?, DE 1998(02) | Librestream Technologies Inc. 1CMB ? Winnipeg, MB 1999 | CounterPath Corporation 1CBC ? Vancouver, BC 2002 | |
|
| 
| |
| Lifesize 1 ? Austin, TX 2003(01) | Blink for mac ? 2009(12/01) | Polycom PVX 1 ? San Jose, CA | |
| Discontinued | |||
| |||
| Windows Messenger versions 4 and 5 ? 2001(10) | eyeBeam 1CBC ? Vancouver, BC 2004(09/13) | Gizmo5 ? 2005(07) | |
| Mobile clients | |||
|---|---|---|---|
| Free and open-source license | |||
| 
|
|
|
| CSipSimple ? 2010(01/09) | Sipdroid ? 2009(04/27) | Jami ? 2009 | Linphone 33 ? ?, FR |
| Proprietary license | |||
|
| |||
| CounterPath Corporation 1CBC ? Vancouver, BC 2002 | Acrobits 420 ? Prague, CZ 2008(11) | ||
| Session border controllers | ||
|---|---|---|
| 
| |
| Metaswitch 44 ? London, England, GB 1981 | AudioCodes Mediant 972 ? ?, IL 1993 | Genband Quantix SBC 1 ? Austin, TX 1999 |
| 
|
|
| Acme Packet Session Director 1 ? Bedford, MA 2000(08) | Ingate Systems SIParators 46 ? Linköping, SE 2001 | Kamailio ? 2002(09) |
| Enabled firewalls | ||||
|---|---|---|---|---|
| 
| |||
| Check Point 972 ? Ramat Gan, IL 1993 | Cisco IOSfirewall feature | Cisco PIX/ASA firewalls include complete SIP support(end-of-sale) 1 ? Redwood City, CA 1994 | n p y | n p y |
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