Yealink SIP-T12 is a two line SIP-phone model. The model presented is the result of deep modernization of popular SkypeMate SIP-T10 and SIP-T10T phones. The main advantage of novelty is the new firmware, similar to 20-seriers- SIP-T2x of Yealink devices. Convenience of the device is undoubtedly the support of two independent lines.
Coolwave Communications BV is a Netherlands-based telecom operator serving the rapidly growing market for voice,voice-mobile, VOIP, internet, data and fiber services.