Author Archives: Cory Andrews
Ask Mr. Andrews: What is a DID?
Q: Dear Mr. Andrews, What is a DID?
A: The term “DID” stands for “Direct Inward Dial”, and describes a feature offered by traditional telephone operators. For example, my direct number at work “716-250-3402” is a DID number, which we essentially “rent’ from our provider. Telephony companies allocate a range of DID numbers within [...]
First Look: Sangoma U100 USB FXO Interface Device
Just received a new Beta product that Sangoma has developed called the U100, which is essentially a 2 Port, USB-based, Zaptel compliant FXO interface.
This new product allows you to integrate up to (2) analog POTS lines with an Asterisk based IP PBX or appliance, without the need to install a physical hardware PCI card. [...]
VoIP History 101 from iLocus
If anyone is interested in a history lesson concerning the technology that drives our business, iLocus recently published a well written piece that will give you some historical perspective.
While it does not go into great depths to describe the core origins of voice over packet networks from a technical perspective, it does a [...]