Capabilities of VoIP Headsets include noise cancelling microphones and headphones, Skype certified, mute button and are compatible with Microsoft Office Communicator.
Some of the types of different headsets include the regular headsets which you have to plug in to the device in order to use them; another type of headsets available are the wireless headsets, which allows the user to use them wireless.
Philips VOIP headsets, phone modules and receivers can be purchased at Best Buy, Amazon, Staples and Office Max. The Philips website has a list of authorized dealers in the United States as well as overseas.
Newegg.com, Amazon.com, and ZipZoomfly.com all set headset on the internet. You can also get them at Best Buy and office supply stores like Staples. However you need to check to be sure it works with your setup before buying. Some of the major makers of VoIP headsets are GE, Plantronics and Cisco. You can find this equipment at most office & computer supply stores like Staples or Office Max. DataVox.net is an online source.
VoIP dialer is a softphone found in voip provider site. And some has it owns software where you can use as a dialer.
Avaya, Jabra, and Plantronics are some examples of brands of call center headsets. Each of the above brands offer wireless as well as wired headsets for use in call centers.
VoIP is all over the world. You can subscribe VoIP services from other country through internet. You can have some VoIP calls for free, apparently you need to spare some of your time to listen their phone advertisement then after you can make internationals.
There are many retailers online where you can purchase VoIP adapters. Some of the top retailers include Amazon, VoIP Supply, VoIP Link, eBay, Ring Central, and Walmart.
VoIP has its own modem and it will connected to your broadband modem. Try to read some articles in myofficephonesystem.com for more information about VoIP services.
Jabra a210 headsets are some of the best bluetooth headsets on the market. Just make sure that you buy them at a good retailer like Target or Best Buy.
Yes, Some VoIP services are applicable to PSP.
VoIP usually charges at monthly bill. Some are prepaid and some are plans. There are several kinds of plans and pricing of VoIP. check here http://www.ringcentral.com/plansandpricing/ringcentralfax.html#
Wireless USB headsets are produced by many reputable companies. For example Logitech, Plantronics, Lonovo and Sennheiser all produce such headsets and these can be purchased from Amazon.