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.
NumberGroup provides business quality VoIP services to wholesale operators and SIP Trunk customers worldwide. We have over 1,000,000 UK and Internaiton telephone numbers are are a license UK operator with direct PSTN connectivity.