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| 有用名詞 | 認識電信歷史 |
| gsm-pcs.org | chinatimes/dictionary |
| 有 用 名 詞 | |
| PSTN | (Public Switched Telephone Network)為傳統之公眾交換電話網路 |
WAN |
廣域網路（Wide Area Network）, 將數個區域網路透過電信網路連接在一起 |
| LAN | 區域網路（Local Area Network）, 如校園網路、辦公室網路 |
| ADSL | Asymmetrical DSL (ADSL) offers higher data rates toward the subscriber than it does in the other direction. It is ideal for residential subscribers who download information from the Internet. |
| DSL (SHDSL) | Symmetrical high-speed DSL (SHDSL) is better suited for enterprise users who regularly send as much data as they receive, or who may need a lot of bandwidth for two-way communications such as videoconferencing. |
| ISP | 網路服務提供者 |
| ITSP | 網路電話服務提供者 Global Internet Telephony Service Providers (ITSP) |
| Gateways | 網路電話閘道器 |
| IRC | Internet Relay Chat www.mirc.com/links.html多人線上即時交 談系統。 |
| NIC | Network Information Center, 分配IP之組織, APNIC, TWNIC |
| IP | 位址（IP Address） 每部電腦在網路上的地址, 需申請而得一組4 bytes 之位址, Network ID + Host ID, 203.64.88.51 . IP位址不可重複 |
| IP之Class | Class A 0~127, Class B 128~191, Class C 191~ |
| SIP-based | Session Initiation Protocol Based |
| Ethernet | 位址（Ethernet Address）, MAC Address, 48 bits Address, 由網路卡製造商 assign , 全球唯一 |
| INTRANET | 跨區域企業之內部連網, 是一種WAN, e.g. TANet、HiNet、SeedNet、SysNet、TTNNet..... |
| INTERNET | 網際網路, 全世界最大的（廣域）網路 ,由世界上各個國家地區數以萬計之大小網路連結而成. 前身為美國國防部網路（ARPANet） |
| analog | 模 擬 式 |
| digital | 數 碼 式 |
| 頻 譜 | |
| Netmask | 網路遮罩, 作為區分是否為同一子網路（SubNet）之用，因此又稱SubnetMask , 一般為 255.255.255.0；但有些單位則因需要而使用不同之NetMask , HiNet 台北為255.255.192.0；花蓮、台東為255.255.254.0 |
| DomainName | 領域名稱 DNS , 便於記憶, 領域具有階層性, ndhu.edu.tw（Domain, ws1-sun.ndhu.edu.tw ；www.ndhu.edu.tw , 機器名稱. 領域 hostname） |
| DNS Server | 領域名稱伺服器, cc.ndhu.edu.tw; 203.64.88. |
| Gateway | 通訊閘, 用以連接不同之子網路, 一般在網路設定上，通常通訊閘是設為連接該子網路之路由器, 203.64.88.254 |
| E-Mail Address | Username@DomainName, 主機帳號 E-Mail主機之DomainName , 如 [email protected] |
| TCP | Transmission Control Protocol |
| RTP | Real-Time Transport Protocol |
| UDP | User Datagram Protocol |
| 傳輸協定的支援, 如 | IP , NAT , PAT,ARP , ICMP , DHCP Client / Server , PPPoE |
| 網際網路應用程式, 如 | VIDA Net Phone、 Web 、FTP、Telnet、News、E-Mail、PING、NetMeeting、ICQ、PCAnyWhere、RealPlayer、PCAnyWhere、QuickTime、Age of Empire(AoE)、Star Craft...... |
| PPPoE(PPP over Ethernet) | 的先進功能，此一功能結合了電話網路、寬頻與遠端存取的技術，使其在無須更動任何架構下，繼續以動態 IP 方式提供上網服務，有效解決 IP 日益不足的問題。 |
| NAT | Network Address Translator |
| ITSPs & Tier 2 | Next-Gen Service Providers |
| IP | Internet Protocol |
| WISPs | Wireless Internet Service Providers |
| TELCOs | Telephone Companies |
| OEMs | Original Equipment Manufacturers |
| Public Internet Network | 公眾網路 |
| MGCP | 網路語音通訊技術 |
| DHCP | 浮動 IP |
| ISR | 電信節費業者 |
| Voice | 語音 |
| Data | 數據 |
| Image | 影像 |
| MMS | Multimedia Messaging Service |
| PPPoE | 撥接式 - ADSL |
| GSM, PSTN, ISDN | Public Telephone Networks |
| POTS(Plain Old Telephone Service) regular line | 傳統公眾電信網路(PSTN) |
| DHCP | 動態位址一般 Cable上網用 |
| 時序信號 (clocking signal)， | 會議視訊 (video conference) |
| CAN | 校園網路 |
| MAN | 都會網路 |
| LAN | 區域網路 Local Area Network |
| WAN | 廣域網路 Wide Area Network |
| Rich Text | (HTML) format |
| frame | 碼框 |
| Frame Relay | 訊框傳送 |
| VOD | 隨選視訊 Video On Demand |
| PVC | Permanent Virtual Circuit |
| SVC | Switched Virtual Circuit |
| Fast Packet | 快速分封 |
| IPLC | 國際專線服務 |
| Chief Building Inter-Connection | 內部介接專線 |
| ADSL | 非對稱式線路 |
| VoIP | 網路語音服務 |
| Long Distance | 長途專線 |
| Local Loop | 市內專線 |
| Circuit | 電路 |
| Bandwidth | 頻寬服務 |
| FXS Port | 1. A land-line Phone company; 2. An internet gateway such as a Cisco ATA186; 3. A cellular gateway such as Cellsocket. |
| IPhone Gateway | 多通道網際網路電話閘道器 |
| GPRS | 永 遠 在 線 技 術 |
| G.723.1 | 在數位訊號處理器的即時實現 |
| Letter of Agency (LOA) |
This is the authorization letter allowing us to act on your behalf should you need our help |
| AUXL Line | Additional regular lines you may have in your business |
| Business Service Agreements or Guides on the web | Rates, terms and conditions as filed on a carrier’s Website — be wary of references to these in Telecom Contracts. Know what you are signing. |
| “Confidential Information” in Telecom Contracts | Make your carrier specifically list what they consider confidential and make them tell you what information you own and what they own. Don’t let them use the word in contracts without defining it. |
| DID | Direct In Dial |
| DOD | Direct Out Dial |
| Glaring | Condition whereby utilization of a ground start lines prevents in and out bound line clashing (i.e. Ever dial out and find you have an inbound caller already on the line?) |
| Hybrid System | A combination of PBX/Key system features, but not as sophisticated as the PBX |
| IP | Internet Protocol |
| Key System | A telephone system but usually smaller. |
| MIS | Management Information System. |
| Non-disclosures in Telecom Contracts with your carrier | Things to be wary of |
| PBX | Private Branch EXchange - This is what your larger telephone systems are called highest level of sophistication |
| POTS Line |
Plain Old Telephone Line |
| PRI | 24 Channel Digital T1 having 23 useable channels with the 24th one being the ‘D’ controlling channel |
| RFP | Request for Proposal; document submitted to vendors for bidding purposes which includes detailed specifications of your specific requirements (counts, size telephones, cable type, gauge, jack terminations, etc.). This also includes terms and conditions they must adhere to such as insurance requirements, payment terms, training, etc. |
| T1 | A 24 channel line which can carry voice and/or data |
| Tariffs | Rates, terms and conditions as filed with State and/or Federal regulatory agencies—be wary of references to these in Telecom Contracts. Know what you are signing. |
| Trunk | Additional line you may have in your telephone system, but designed as to eliminate ‘GLARING’ |
| VOIP |
Voice over internet protocol |