Selecting the correct SIP phone for your IP PBX deployment is paramount. Prospective buyers will have to weigh everything from Codecs used to Feature sets to Warranties. While certain items, such as the interoperability with session border controllers and gateways, are required, others like display size and number of line buttons may be put on the “nice to have” list. Learn how to weigh each of these important factors and come to a decision that will allow you to purchase the right phones to function in your deployment for years to come.

Read the full article here:
http://www.telecomreseller.com/2014/07/14/selecting-the-right-sip-phone-for-your-ip-pbx/