服务: give service to; be in the s ...接入: insert; join up; switch on; ...访问: visit; call on; interview; a ...点: drop识别: discriminate; distinguish; d ...符: tally symbol; mark服务接入点识别符: service access point identifier主叫会话服务接入点识别符: calling ssap identifier接入点识别符: apid access point identifierr业务接入点；服务访问点: service access point (sap)服务访问点: saservice access point; service acce point （sap）; service access point服务接入点: sa service access points; saservice access point; service access point源服务访问点: source service access point传输层服务访问点: transport service access point传输服务访问点: tsa transport service access point; tsatransport service access point传送服务访问点: tsa transfer service access point服务访问点标识符: service access point identifier目标服务访问点: destination service access point网络服务访问点: network service access point物理层服务访问点: physical layer service access point传输层服务接入点: transport layer service access point传送层服务接入点: tsa transport layer service access point; tsatransport layer service access point传送服务接入点: tsa transport service access point电话服务接入单元: tsau telephone service access unit多服务接入平台: mamultiservice access platform
