电信术语分类词典—P
From 网络大典维基
- PABX: Private Automatic Branch Exchange(专用自动交换分机)
- PAD Switching(数据包装拆器交换)
- Pair Cable(对绞电缆)
- Pair Gain(成对增益)
- Paired disparity code(成对不等性码)
- PAM: Pulse Amplitude Modulation(脉冲调幅)
- Parallel Transmission(平行传输)
- Parity bit(校验位)
- Partial Dial Tone(泛拨号音)
- Partially Dedicated Access(部分专用通道)
- Party Line(分机线路)
- Pass Along Method(沿线发送方法)
- Patch Panel(插线面板)
- PBX: Private Branch Exchange(专用交换分机)
- PCM: Pulse-code Modulation(脉冲编码调制)
- PCV: Path Coding Violation(信道编码错误)
- PDH: Plesiochronous Digital Hierarchy(准同步数字系列)
- Peak Load(最大负荷)
- Peg Count(占线计次)
- Permanent Calls(持久性呼叫)
- Permanent Signal(持久呼叫信号)
- PH: Protocol Handler(协议处理器)
- Phantom Circuit(幻路)
- Phase Distortion(相位失真)
- Phase Shift(相位移动)
- PIC Charges(主交换运营商收费)
- PIC Freeze(主交换运营商冻结)
- PIC Request(主交换运营商请求)
- PIC Response(主交换运营商回馈)
- PIC: Point In Call(呼叫状态)
- PIC: Primary Interexchange Carrier(主交换运营商)
- PICC: Pre-subscribed Inter-exchange Carrier Charge(预先设定交换运营商费用)
- Pilot signal(控制信号)
- PINX: Private INtegrated services network eXchange(专用综合服务网络交换)
- PLAR: Private Line, Automatic Ringdown(专线自动回铃)
- Plar-Opx(专线自动回铃-远程分机)
- Plesiochronous(准同步)
- PNP: Private Numbering Plan(专用电话号码编号方案)
- POH: Path Overhead(通道开销)
- Point Code(端点编码)
- Polling(轮流询问)
- PON: Passive Optic Network(无源光网络)
- POP: Point Of Presence(汇集点)
- Post-dial Delay(拨号后延迟)
- POTS Dial Peer POTS(拨号对等)
- POTS: Plain Old Telephone Service(普通老式电话业务)
- PPS: Pulses Per Second(每秒脉冲)
- PRC: Primary Reference Source(主要参考源)
- Preemption Tone(优先占线音)
- Presubscription(实现订购)
- PRI: Primary Rate Interface(主速率接口)
- Primary Path(主通道)
- Priority Audible Ring(优先呼叫铃声)
- Private Line(专用线路)
- Proceed To Send Tone(继续传输音)
- Proctor Test Set(代理测试集)
- Property Surcharge(住地额外费用)
- Protection Channel(保护信道)
- Provisioning(备用)
- Provisioning Software(备用软件)
- PSTN: Public Switched Telephone Network(公共交换电话网络)
- PTE: Path Terminating Equipment(通道终接设备)
- PTS: Public Telephone Service(公共电话服务)
- PTT: Post, Telephone, and Telegraph(邮局、电话和电报)
- Pulse link repeater(脉冲链接转发器)
- Pulsing(脉冲调制)
- Push Button Dialing(按钮拨号)
- Push-to-talk operation(按键即通操作)
- PVC: Permanent Virtual Connection(固定虚拟连接)


