international subscriber dialing
1international subscriber dialing — (ISD) See international direct dialing …
2Subscriber trunk dialling — (STD, also known as subscriber toll dialling) is a term for the UK telephone system allowing subscribers to dial trunk calls without operator assistance. Terminology The term subscriber trunk dialling is used in other countries such as the… …
3Subscriber Identity Module — Simcard redirects here. For the brand name medication, see Simvastatin. A typical SIM Card …
4Direct distance dialing — (DDD) or direct dial is a telecommunications term for a network provided service feature in which a call originator may, without operator assistance, call any other user outside the local calling area. DDD requires more digits in the number… …
5Multiple Subscriber Number — Als Vermittlungstechnische Leistungsmerkmale (engl.: supplementary services), oder auch kurz Dienstmerkmale genannt, bezeichnet man bei einem öffentlichen Telekommunikationsnetz zusätzlich durch das Netz zur Verfügung gestellte teilnehmerbezogene …
6Direct inward dialing — (DID), also called direct dial in (DDI) in Europe and Oceania, is a feature offered by telephone companies for use with their customers private branch exchange (PBX) systems. In DID service the telephone company provides one or more trunk lines… …
7Global Dialing Scheme — The Global Dialing Scheme (GDS) is numbering plan for H.323 networks. Based on the numerology provided by the United Nations International Telecommunications Union, GDS numerology resembles the international telephone system numbering plan, with… …
8List of international call prefixes — NOTOC Every country has both a country calling code used to dial into a country, and an international call prefix or international access code used to dial out of the country. The ITU recommends 00 as the general standard, and this has been… …
9ISD — • International Subscriber Dialing • Induction System Deposit • Interrupt Service Device Resetknopf • Image Section Descriptor …
10ISD — See international subscriber dialing and international direct dialing …
