1 You can browse your Phone Book and then click the contacts (up to 100) you want to block. 2  After you select the numbers you want blocked, click Activate Incoming Call Block. 3  Click Calls and Messages. 4  Locate the number you want to block and click the name or the number. 5  Click Call Block. or. 2  You can browse your Phone Book and then click the contacts (up to 100) you want to block. 3  After you select the numbers you want blocked, click Activate Incoming Call Block. 4  Click Calls and Messages. 5  Locate the number you want to block and click the name or the number. 6  Click Call Block.
The invention of the first mobile phone was on April 3, 1973, and was from Motorola. At the time, the cost of the phone ran at $3,995.
Nokia's first fully portable mobile phone (after the Mobira Senator car phone of 1982) was the Mobira Cityman 900 in 1987. Nokia assisted in the development of the GSM mobile standard in the 1980s, and developed the first GSM network with Siemens (predecessor of Nokia Siemens Network).