IP Phone Yealink SIP-T28P has all the advantages of other devices from Yealinkâs 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.
Provide wholesale international callback service in China for voip service providers and call shops. We offer competitive price and billing system to our wholeseller. We are using SS7 PSTN line and no connection fee to customers.