Tag: SBC

Future of ISDN (It’s looking a lot like SIP!)

SIP Trunking (Simple)

Every wondered what the future of ISDN holds? This might sound surprising, but ISDN (Integrated Services Digital Network) will be gone within the next 10 years! (well, at least in the UK). BT (the UK’s main telecoms provider) has announced that the traditional network (ISDN) will become obsolete by 2025 (details can be found here: https://event.webcasts.com/viewer/event.jsp?ei=1051301, the important …

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SIP Trunking, is a Session Border Controller (SBC) needed?

SIP NAT with a Session border Controller

Before I can answer that, I should probably explain what a Session Border Controller (SBC) is and what it brings to the party when deploying SIP Trunking. An SBC can be either a physical or virtual device which sits between your network and the Internet Telephony Service Provider (ITSP).  It is basically the point of demarcation between your phone system …

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Sip Trunking 101 – The What and How of SIP Trunking

This blog post is an introduction to SIP Trunking and it will hopefully cover most of the questions that a person/company has when starting their SIP Trunking journey. We have started seeing an increase in SIP Trunking interest and implementations. I think this interest has increased recently as SIP Trunking now has the reputation of …

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