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2. IP PBX - Wikipedia

   en.wikipedia.org/wiki/IP_PBX

   An IP PBX ("Internet Protocol private branch exchange") is a system that connects telephone extensions to the public switched telephone network (PSTN) and provides internal communication for a business. An IP PBX is a PBX system with IP connectivity and may provide additional audio, video, or instant messaging communication utilizing the TCP/IP ...

3. Business telephone system - Wikipedia

   en.wikipedia.org/wiki/Business_telephone_system

   An IP PBX handles voice calls over the Internet Protocol (IP), bringing benefits for computer telephony integration (CTI). An IP-PBX can exist as physical hardware or can carry out its functions virtually, performing the call-routing activities of the traditional PBX or key system as a software system. The virtual version is also called a "Soft ...

4. List of SIP software - Wikipedia

   en.wikipedia.org/wiki/List_of_SIP_software

   Dialexia VoIP Softswitches, IP PBX for medium and enterprise organizations, billing servers. IBM WebSphere Application Server - Converged HTTP and SIP container JEE Application Server; Interactive Intelligence Windows-based IP PBX for small, medium and enterprise organizations; Kerio Operator, IP PBX for small and medium enterprises

5. 3CX - Wikipedia

   en.wikipedia.org/wiki/3CX

   3CX, Inc., is a software development company and developer of the 3CX Phone System. The 3CX Phone System is a software private branch exchange based on the SIP (Session Initiation Protocol) standard to allow calls via the public switched telephone network (PSTN) or via Voice over Internet Protocol (VoIP) services.

6. 21 places to find business grants in 2023 - AOL

   www.aol.com/finance/21-places-business-grants...

   19. Venmo Small Business Grant. The Venmo Small Business Grant is a new grant that began in 2022. It awards a $10,000 grant, mentorship and promotion on Venmo social channels to 20 small business ...

7. Grandstream Networks - Wikipedia

   en.wikipedia.org/wiki/Grandstream_Networks

   Founded in 2002, Grandstream Networks is a manufacturer of IP voice and video communications equipment, video surveillance, [1] gateways and analog telephone adapters (ATAs), and Asterisk-based IP-PBX appliances. Grandstream supplies small and medium businesses and consumers with open-standard SIP-based products.