Cal4Care is an official Singapore partner of one of the premier Session Initiation Protocol (SIP) telephone providers, Yealink. Yealink produces top quality products that are both high performing and competitively priced, allowing Small and Medium Enterprises (SMEs) the perfect solution for all their telecommunication needs. Yealink IP phones include HD voice features as well as an exhaustive range of audio and voice codecs, privacy protection and security as well as a range of other telephony features designed and implemented for your convenience and increased efficiency. Get the most out of Voice over Internet Protocol (VoIP) telephone systems with Yealink’s range of telephones today!