Direct inward dialing (DID), also called direct dial-in (DDI) in Europe and Oceania, is a telecommunication service offered by telephone companies to subscribers...

assistance Direct inward dialing, where an outside call may be automatically routed to an extension through a private branch exchange International direct dialing...

sends a sequence of typically four to ten digits during call setup. Direct inward dial (DID) service also provides DNIS. For example, a company may have...

telephone dial, such as 4357 (help) to reach a help desk. The internal number assignments may be independent of any direct inward dialing (DID) services...

Look up inward or inwardly in Wiktionary, the free dictionary. Inward may refer to: Avera and Inward, feudal services Direct Inward Dialing, also called...

A virtual number, also known as direct inward dialing (DID) or access numbers, is a telephone number without a directly associated telephone line. Usually...

unique identifier Difference in differences, a statistical technique Direct inward dialing, in telephony Discharge ionization detector, a detector in gas chromatography...

answering machine or other voice mail system. In systems without direct inward dial capability, all calls for a large organisation originally were placed...

"switchboard attendant") or a telephone service called DID ("direct inward dialing"). Direct inward dialing has advantages such as rapid connection to the destination...

DNS/DHCP/IPAM; see IP Address Management Direct dial-in, or direct inward dialing, a telecommunications service DirectX Device Driver Interface D&D Insider...

which is merely call-forwarded to the answering service (usually on a direct inward dial number) at the end of the business day. Often, a suburb of a large...

toll-free number may be directed to any geographic telephone number under the control of any of various RespOrgs. Direct inward dialing and toll-free number...

user-visible features, Centrex and PBX are similar. Features include: Direct inward dialing (DID) Automatic routing of calls to obtain lowest cost Call pick-up...

allows users to bring their own device and unbundles service so that direct inward dial numbers may be purchased separately from outbound calling minutes...

giving users local Direct Inward Dialing (DID) phone numbers. Offered in 56 countries, these numbers allow users in those countries to dial a local phone number...

telephone system versus PBX telephone system. Many features such as Direct Inward Dial, Caller ID, Automatic Call Distribution, and Call Accounting were...

correct extensions. Today, most large organizations have direct inward dialing, or direct dial-in. Smaller workplaces may have an automated system which...

national language after the phone number. When the PBX is capable of direct inward dialing, the extension number should be written directly after the phone...

call Custom greetings Customized abbreviated dialing (speed dialing) Direct inward dialing (DID) Direct inward system access (DISA) (the ability to access...

at the PBX in two ways: either directly to a users phone using direct inward dialing or indirectly via a human or electronic receptionist who will answer...

an FM radio-based Voice over Internet Protocol phone system, and direct inward dialing. A small seismic station exists behind the main campus, installed...

tying toll-free numbers to dedicated flat-rate inbound WATS lines. Direct inward dial, introduced in 1983, allowed one trunk to carry calls for multiple...

meet special needs such as video conferences. PRI channels and direct inward dialing are also common as a means of delivering inbound calls to voice...

with a plain old telephone service (POTS) phone number, called a direct inward dialing (DID). Most companies that provide one also provide the other. Outbound...

originally based on private branch exchange (PBX) standards such as direct inward dial, these evolved into competitive local exchange carriers (CLEC). The...

to reversal today. However, some special circuits, such as some direct inward dialing (DID) trunks, T-1 lines, and ground start lines connected to field-side...

carry extension number for direct inward dialing and calling party name, as used by ISDN/E1/T1 telecommunication protocols. Dialing rules are used to transform...

unexpected, and usually sudden, termination of call, line or service Dial peer Dial tone Distribution frame Dual-tone multi-frequency signaling (DTMF) Emergency...

national, mobile and toll-free phone numbers (commonly known as direct inward dialing numbers). Telecommunication providers and/or enterprises use these...

the remaining two digits to endpoints 00-99. Aside from maintaining direct inward dial (DID) capability for endpoints, there is no reason to limit endpoint...