Introduction - If you have any usage issues, please Google them yourself
Delphi to write the general AT messaging program uses AT commands to write text messaging program. 1. Interface allows you to create the database (SQL2000) to send SMS table structure: CREATE TABLE [dbo]. [SMS_Send] ([id] [int] IDENTITY (1, 1) NOT NULL, [mobile] [nvarchar] (20) COLLATE Chinese_PRC_CI_AS NULL, [Msg] [nvarchar] (160) COLLATE Chinese_PRC_CI_AS NULL, [state] [int] NULL, [sendyorn] [int] NOT NULL, [sendtime] [datetime] NULL, [CommPort] [nvarchar] (50 ) COLLATE Chinese_PRC_CI_AS NULL) ON [PRIMARY] 2. receive SMS table structure: CREATE TABLE [dbo]. [SMS_Accept] ([id] [int] IDENTITY (1, 1) NOT NULL, [mobile] [nvarchar] (20 ) COLLATE Chinese_PRC_CI_AS NULL, [Msg] [nvarchar] (160) COLLATE Chinese_PRC_CI_AS NULL, [ArriveTime] [datetime] NULL, [Readed] [int] NULL) ON [PRIMARY]