No.
A long-standing tradition of push-to-talk options, plus bluetooth support and a full keyboard and a wide range of support and application options, any Blackberry product is a good buy.
The Blackberry bold 9700 is newer than the Blackberry bold 9000.
the blackberry bold 9700 but NOT the blackberry bold 9000
Several Verizon phones have Push To Talk capabilities. The Blackberry Bold 9930 series of smartphones is equipped with Push To Talk capabilities, as is the Casio G'zOne Commando, the Casio G'zOne Ravine 2, and the Samsung Convoy 2. Any of these phones would be a good choice for employees of a small construction company.
Blackberry bold is better for work but if you just want for a normal phne i would choose the curve
A blackberry bold is better
Skype is available for BlackBerry Bold, although only available on the "Verizon Wireless" BlackBerry Bold and other BlackBerry devices.
a blackberry bold is stronger than curve
They already do: The BlackBerry Bold 9650.
The BlackBerry Bold should be able to use BlackBerry Messenger (BBM). It's for BlackBerry OS 5 or newer.
Blackberry Bold or Blackberry Torch
Push the red button on the front of the blackberry bold. It's 2 buttons to the right of the scroll ball / trackball. The power button is also used to hang up the phone.