Must-have reports on the subtleties of the newest information technologiesoffering both landline and wireless service, RBOCs are offering abundleda service packages. ... ATaamp;T discontinued 900 number service at the end of 2002, forcing their remaining clients to move to other service providers such as MCI.
|Title||:||Communication Technology Update, 10/e|
|Author||:||August E. Grant, Jennifer H. Meadows|
|Publisher||:||Taylor & Francis - 2006-06-21|