会话通告协议 Session Announcement Protocol ; SAP

电话通信 [通信] telephone communication ; voice communication ; Radio Telephony ; telephone communication

电话通道 telephone channel

彩话通 CallCheater

电视电话通信 videotelephone communication

电话通讯 Communications by telephone ; telephone communication

西班牙语会话通 Spanish all talk

用电话通知 give information by telephone

电话通知系统 VOICE BROADCAST

电话通话 Talking on the Telephone