Yealink SIP-T28P

IP Phone Yealink SIP-T28P has all the advantages of other devices from Yealink’s product range: convenient handset, the optimal angle of the screen, high-definition audio that meets IEEE1329 standards, ten additional programmable keys to automate most common actions and LED status indication of contacts whose numbers are set to speed dial.

SIP-T28P can simultaneously connect up to independent SIP accounts; buttons with LED backlight allow you to quickly switch lines before dialing or directly during the conversation. As in the previous models, these buttons can be programmed along with ten programmable buttons on the right side of the phone.
Another distinctive feature of this model is the large backlit graphic display that simplifies interaction with the phone starting with the pre-configuration of network settings and finishing with function for everyday work.

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Modern Day Communication Networks and Softswitch Technologies

During last several years the Softswitch technology has been actively discussed. New and traditional operators, including the operators of the IP telephony, test Softswitch systems, considering them from the point of view of wide use in communication networks and at the same time improving the technical background for the implementation of such systems.

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VoiceFlex

SIP is the latest technology allowing voice call to be made over the internet. VoiceFlex uses SIP to provide low cost, ISDN replacement lines that provides the best possible call quality, inexpensively, sometimes at no cost, with the flexibility that come