Double Nat
This refers to a second router being connection to a modem or gateway resulting in data going twice through the process, which could cause a short delay of milliseconds.
DECT
DECT is short for digital enhanced cordless telecommunications and refers to a standard for wireless phones that is used for landline phones. This is how cordless landline phones function.
DTMF Tones
DTMF stands for dual tone multi-frequency and this technology enables for specific frequencies generated by a handset to play over a phone line when a keybad button is pressed.
Do Not Disturb
The do not disturb function allows a phone owner to not accept any calls or messages for a time or until it is turned off. This includes muting any ringing, tones, or notification sounds desired to cut off for a time.
Default Gateway
A default gateway is a node which allows different computer networks to connect so machines on the various networks can communicate.
Delay
Delay in VoIP is just as simple as it sounds; it’s the time it takes for a voice to reach a listener. Delay affects call quality and can have multiple causes, including internet latency, programming issues, and component-introduced slowdowns. Delays over 1/10th of a second can be extremely disruptive to the conversation. You know there […]
Direct Inward Dialing (DID)
A company’s DID number is a phone number that can reach a specific phone line through a company’s VoIP PBX. Multiple DIDs (or phone numbers) can route to the same phone system, and be configured to ring to different destinations, like auto-attendants or direct users. DIDs are direct phone numbers – a quicker alternative to […]
Digital Phone Service
Digital phone service is the stepping stone between landline and VoIP solutions that transfers data digitally rather than through analog equipment; however, they still use physical phone cables to connect to the phone network. Digital phone service was developed as a more efficient and better-quality version of landline solutions; VoIP, in turn, is the modernized […]
Disaster Recovery
During a power outage, internet failure, or other unforeseen service interruption, phone companies can develop disaster recovery plans that: automatically forward incoming calls to a separate number or location, connect to a backup internet source, or otherwise avoid phone downtime.