Bad communications hurt economically for businesses. Even though you are able to minimize this somewhat by employee involvement, it is also a good strategy to take a look at your communication system. Two copper wire-based networks, the ISDN and PSTN, were once limited to communication. Primary rate interface (PRI) connections are used by ISDN-based exchanges to[…]
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SIP
What is SIP Calling? – How Does It Work?
By sigmatelecom Business, SIP, Telecom Nov 18, 2020
Do You Use SIP For Video Conferencing Purposes?
By sigmatelecom Business, SIP, Telecom Oct 28, 2020
Teams are also spread out around the world today, and many workers use video conferencing solutions to remain in the loop using technologies such as SIP trunking and H.323. In the last few years, modern solutions like Zoom have become increasingly popular, but which underlying technology provides the best support for video conferencing? Rather than[…]
What is Elastic SIP Trunking: Benefits and Characteristics
By sigmatelecom SIP, Telecom, VoIP Oct 14, 2020
SIP trunking for companies seeking to make clear calls and conferences is rapidly becoming the go-to technology. 90% of SIP people experience that they are satisfied with call quality, as shown in a recent study. SIP trunking still has its problems, which is why many companies opt to switch rather to elastic trunking. For finding[…]
VoIP Guide – SIP Error Codes – Sip-486 Busy Here
By sigmatelecom Business, SIP Jul 13, 2020
Welcome to Sigma Telecom VoIP Guide, where everything you need for lucrative VoIP traffic is included, making your work easier with clues. Today’s topic is Sip codes and Sip-486 Busy Here error code, in particular. Start reading our article for all the details you need to know about this code! What is the meaning[…]
SIP-487 Request Terminated – Sip Error Codes
By sigmatelecom SIP, VoIP Aug 22, 2019
Welcome to the VoIP class and today’s topic is the Sip-487 error code. We’ll learn the reasons for getting this error code and the ways for fixing the issue. Take your seat, we are starting! What is the meaning of the SIP-487 Code? If the caller (A side) closes the phone before connection, you’ll[…]