Why would customers want ISDN or analog modems when they could have DSL service?
ISDN and analog modems are switched access technologies that offer the ability for customers to dial many different locations for Internet access or other online services. With DSL services, the connection is a permanent connection to the Internet Service Provider. ISDN and analog modem customers who qualify for DSL service and only need to connect to the Internet from one location will want to switch to DSL in order to take advantage of the benefits of higher speeds and an “always on” connection. However, customers who do not have DSL service available from their central office, or who live beyond the local loop requirements, or need the mobility and flexibility of a switched service will remain as ISDN or analog modem customers.
