Some typical teleservices
 ¨ Telephony (normal, high quality)
 ¨ Telefax (Group 3, Group 4)
 ¨ Video-telephony
 
 Some typical bearer services
 ¨ Speech (transparency not guaranteed)
 ¨ 64 kbit/s unrestricted
 ¨ 3.1 kHz audio (non-ISDN interworking) 
 
 Some typical supplementary services
 ¨ CLIP / CLIR
 ¨ Call forwarding / waiting / hold
 ¨ Charging supplementary services