Merkurset
EXHIBIT 10
LOCAL TELECOM INNOVATIONS INTRODUCDED IN THE U.S. 1986-91*
Number of local services
TOTAL =
ESTIMATE
VOICE (LOCAL TELEPHONE)
Customer network
control system
Data access payphone
- Disaster protection
service
ISDN: basic rate
access
– ISDN: primary rate
access
Smart calling card
DATA
LAN interconnection service
Switched digital data
Switched multi-megabit data service
- Synchronous optical
network
T3/E3
Virtual private network
VALUE-ADDED
Coin messaging
Enhanced fax
Number selection service
Messaging handling service
Public fax network
- Telephone bill on
diskette
www.cw
Video ordering
MOBILE
Mobile data
Personal
communications network
Telepoint
6
6
*Local services only; include services undergoing multiple trials
Source: Product lists of Regional Bell Operating Companies; interviews
McKinsey & Company, Inc.
7
3
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