| Word |
Definition |
| AHT (Average Hold Time) |
This standard helps compartmentalize large networks into smaller segments so traffic can be managed to use optimal bandwidth. It also enhances network security. 802.1q further defines the standards for VLANs and establishing communication between them. |
| ALOC (Average Length of Call) |
(Also known as ACD â?? Average Call Duration) refers to the time spent from the moment a call is answered to the moment the call is ended. This does not include the time taken in dialing and connecting to a user. |
| ANI (Automatic Number Identification) |
ANI is when the receiver of a call can identify the caller through the incoming billing number. Caller ID is an example of ANI. |
| API (Application Programming Interface) |
Refers to a set of routines, protocols and tools, which enable a programmer to create software applications. With an API, a programmer can create various applications while staying loyal to the given framework. |
| ASP (Application Service Provider) |
An Application Service Provider refers to a model where an application is hosted on a central facility. From there, it is provided to the users through a network using a subscription method. |
| ASR (Answer Seizure Ratio) |
Also referred to as call completion rate, ASR is the ratio of successful calls to the total number of calls attempted. ASR can be calculated by using the formula: (successful calls/total attempted calls) * 100 |
| ATA (Analogue Telephone Adapter) |
ATA is a device used to connect a traditional phone to a computer in order to make phone calls over the Internet. Unlike a VoIP phone, it is not connected directly to the USB port and is more cost-effective |
| ATM (Asynchronous Transfer Mode) |
ATM uses dedicated connections to transfer video, voice and data signals at speeds many times faster than those achieved by current technologies. ATM uses multiplexing, high speed broadband and reduced delay transport to accomplish this task. |
| Attendant console |
A part of a bigger PBX or another telephone system, an attendant console is associated with specific lines or functions of the telephone network. This allows correct routing and management of calls made to the programmed numbers. Similarly, an attendant console can be configured to perform particular functions. Various models of attendant consoles are available to choose from. Some common features include call queuing, easy-to-use features, one-touch transfer and call forwarding. |
| B2BUA (Back-to-Back User Agent) |
Handles SIP call signaling from its initiation to completion. Based on SIP, B2BUA functions as a SIP User Agent Client (UAC) when initiating a call. On the other hand, it also functions as a SIP User Agent Server (UAS) to receive incoming messages.B2BUA participates in call transfer, call disconnection, maintaining network transparency and billing. Providers use B2BUA to offer multi-feature services to subscribers. |
