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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
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