CAC Connection Admission Control 連接容許控制
CAD Computer-aided Design 計(jì)算機(jī)輔助設(shè)計(jì)
CAE Computer-aided Engineering 計(jì)算機(jī)輔助工程
CAM Computer-aided Manufacturing 計(jì)算機(jī)輔助制造
CAP Carrierless Amplitude Modulation 無(wú)載波幅度調(diào)制
CATV Cable Television or Community Antenna Television有線電視或公用天線電視
CBDS Constant Bit Rate Data Service 不變比特率數(shù)據(jù)服務(wù)
CBR Continuous Bit Rate,or Constant Bit Rate 連續(xù)的比特率或不變的比特率
CCITT Consultative Committee on International Telegraph and Telephone 國(guó)際電話和電報(bào)咨詢委員會(huì)
CFM Configuration Management 配置管理
CIR Committed Information Rate
CLEC Competitive Local Exchange Carrier 競(jìng)爭(zhēng)的本地交換載波
CLLM Consolidated Link-Layer Management 統(tǒng)一鏈路層管理
CLP Cell Loss Priority 單元丟失優(yōu)先權(quán)
CMT Connection Management 連接管理
CO Central Office 中心局
COI Community of Interest 公共的影響（利益）
COM Continuation of Message 報(bào)文附加
COMSAT Communications Satellite Corporation 通信衛(wèi)星公司
CPE Customer Premise Equipment 客戶前提設(shè)備
CPN Customer Premises Node 客戶前提節(jié)點(diǎn)
CRC Cyclic Redundancy Check 循環(huán)冗余校驗(yàn)
CS convergence Sublayer 收斂子層
CSU Channel Service Unit 信道服務(wù)單元
CAD Computer-aided Design 計(jì)算機(jī)輔助設(shè)計(jì)
CAE Computer-aided Engineering 計(jì)算機(jī)輔助工程
CAM Computer-aided Manufacturing 計(jì)算機(jī)輔助制造
CAP Carrierless Amplitude Modulation 無(wú)載波幅度調(diào)制
CATV Cable Television or Community Antenna Television有線電視或公用天線電視
CBDS Constant Bit Rate Data Service 不變比特率數(shù)據(jù)服務(wù)
CBR Continuous Bit Rate,or Constant Bit Rate 連續(xù)的比特率或不變的比特率
CCITT Consultative Committee on International Telegraph and Telephone 國(guó)際電話和電報(bào)咨詢委員會(huì)
CFM Configuration Management 配置管理
CIR Committed Information Rate
CLEC Competitive Local Exchange Carrier 競(jìng)爭(zhēng)的本地交換載波
CLLM Consolidated Link-Layer Management 統(tǒng)一鏈路層管理
CLP Cell Loss Priority 單元丟失優(yōu)先權(quán)
CMT Connection Management 連接管理
CO Central Office 中心局
COI Community of Interest 公共的影響（利益）
COM Continuation of Message 報(bào)文附加
COMSAT Communications Satellite Corporation 通信衛(wèi)星公司
CPE Customer Premise Equipment 客戶前提設(shè)備
CPN Customer Premises Node 客戶前提節(jié)點(diǎn)
CRC Cyclic Redundancy Check 循環(huán)冗余校驗(yàn)
CS convergence Sublayer 收斂子層
CSU Channel Service Unit 信道服務(wù)單元