Some jurisdictions have laws requiring residential subscribers to secure their networks.
Cablevision, by contrast, had 4,723 residential subscribers in the village at the end of 2005, according to the mayor's office.
By the year 2000, voice-mail had become a ubiquitous feature on phone systems serving companies, cellular and residential subscribers.
Sprint, which has 550,000 residential subscribers for its digital subscriber line service, will make the software available free.
Initially, the service will be offered to 616,000 of Manhattan's 2 million residential and commercial subscribers and to 312,000 Bronx numbers.
The first telephone directory, published at about the same time, listed 10 state, county and city phones, 36 residential subscribers and 150 businesses.
It will be part of the basic service to Manhattan Cable's 220,000 residential subscribers.
Pacific Bell currently offers residential subscribers unmetered evening service for a flat fee of $24.50 a month and a low cost for daytime use.
Three-quarters of these are residential subscribers.
On 1 October 2010, Sky 3D became available to residential subscribers.