PBX (Private Branch Exchange) คือ ตู้โทรศัพท์สาขา บางทีเรียกว่า ตู้สาขาโทรศัพท์ หรือ ตู้PBX เป็นระบบชุมสายโทรศัพท์ย่อย ทำให้ภายในบริษัทหรือหน่วยงานนั้นมีเบอร์โทรศัพท์ (เบอร์ต่อ หรือ เบอร์ภายใน หรือ เบอร์ extension) เป็นของตนเองใช้สำหรับโทรติดต่อสื่อสารกันเอง นอกจากนี้เบอร์โทรศัพท์เหล่านั้น ยังสามารถติดต่อไปยังระบบโทรศัพท์ภายนอก หรือชุมสายโทรศัพท์ภายนอก ที่เรียกว่า PSTN (Public Switched Telephone Network) ได้ Continue reading
What is a SIP server?
A SIP server is the main component of an IP PBX, dealing with the setup of all SIP calls in the network. A SIP server is also referred to as a SIP Proxy or a Registrar.
Although the SIP server is the most important part of the SIP based phone system, it only handles call setup and call tear down. It does not actually transmit or receive any audio. This is done by the media server in RTP.
IP PBX: How an IP PBX / VOIP phone system works
A VOIP Phone System / IP PBX system consists of one or more SIP phones / VOIP phones, an IP PBX server and optionally includes a VOIP Gateway. The IP PBX server is similar to a proxy server: SIP clients, being either soft phones or hardware based phones, register with the IP PBX server, and when they wish to make a call they ask the IP PBX to establish the connection. The IP PBX has a directory of all phones/users and their corresponding SIP address and thus is able to connect an internal call or route an external call via either a VOIP gateway or a VOIP service provider.
Network Fax Server ROI: What you don’t know could be a Cash Saver
What is Fax 2 Email?
To put it simply, “Fax 2 email” means sending and receiving faxes through email.
However in order to understand the technology involved better, we have to understand how various other forms of faxing work and how this form of faxing differs from them. Continue reading
Faxing with Asterisk PBX
Using Fax for Asterisk, you can send faxes from your desktop using your standard email client without any need to install any software on your desktop. It endows you with the ability to send and receive faxes to and from TDM and IP channels. It includes analog and VoIP fax capabilities to Asterisk VoIP PBX and develops fax-on-demand, fax-broadcast, desktop fax and fax gateway applications and services. Fax for Asterisk also provides 14400bps PSTN faxing via DAHDI-compatible telephony boards and T.38 fax over SIP. You can add the Fax for Asterisk software on a hosted Asterisk PBX. Continue reading
Streamline Your Business With Esker Fax Server and Fax Service Solutions
While e-commerce communication technologies have proliferated in recent years, Fax has remained a predominant day-to-day messaging tool in today’s Business world. Fax is one of the best options whenever businesses require a secure, confirmed, and immediate delivery or an exact facsimile of the source document. As long as these needs exist, fax will continue to play a vital role in the exchange of business information. While a fax machine continues to act as a strategic communication channel, many organizations prefer to use fax servers. Fax technologies offer substantial opportunities to streamline business processes and reduce costs. Continue reading
Small Office Pbx System
A high-quality communication system is one of the contributing factors behind the success of any small business organization. Maintaining a fully dedicated business telephone system has thus got a lot of significance today. A small office PBX system can bring tremendous improvement to your business as well as to the overall functionality of your office. Characterized by advanced features and technology, the PBX system or hosted PBX system is also known as a virtual phone PBX system. Continue reading
Alcatel IP Fax Server Systems
Alcatel-Lucent is the largest PBX IP Fax Server vendor in the world with revenues equivalent to about $20 million in 2009. The company offers a software-only FoIP (Fax over IP) fax server, which the company says yields a significant return on investment and costs appreciably less than leading legacy fax server solutions. SagemCom provides Alcatel-Lucent with this IP fax server solution on an OEM (original equipment manufacturer) basis and SagemCom has proven its market leadership in FoIP by leading the industry for the last five years (per Davidson Consulting market research). The OmniTouch IP Fax Server integrates seamlessly with VoIP (voice over IP) technology and the T.38 fax relay capabilities of leading Alcatel-Lucent VoIP gateways. Continue reading
GFI FAXmaker
GFI Software, an international developer of network security, content security and messaging software, offers its leading fax server solution GFI FAXmaker. Version 14 now integrates with Microsoft Exchange as well as with the Dialogic SR140 FoIP solution, and offers support for 64-bit Microsoft operation systems. GFI FAXmaker is a cost-effective solution which minimizes the need for manual faxing by using the existing email infrastructure to send and receive faxes. Continue reading