ATIS对将IPTV系统定义为：一个安全可靠的向用户交付视频娱乐业务和其他相关业务的平台，这些业务在用户终端上得以呈现。媒体流和控制信息采用IP协议传输。

他们认为，IPTV系统所提供的业务包括：

娱乐业务Entertainment      

1. Linear/Broadcast TV

2. Video/TV On Demand (VOD)

3. Interactive Tv (iTV) (e.g controlling different angles, consumer polling….)

4. Push VOD

5. Consumer Originated Video (e.g Home Security)

6. Music (Audio)

7. Games

8. Pictures

一般信息类业务General Information 

1. Advertising    

2. Sports News  

3. Entertainment News     

4. Emergency Information

5. General News

6. Travel Information

7. Stock Exchange Information

教育Educational   

1. Computer/STB based training      

2. Distance Learning  

通信/消息类业务Communication/Messaging     

1. Interactive/Communications Applications (e.g IM, video messenger/conference, Call control e.t.c….)   

2. Email     

3. Video Telephony   

业务信息Service Information     

1. Interactive Program Guide (IPG/EPG)

2. Parental Services   

3.    Notification Services (e.g Caller ID, EAS)