E1/T1
A European format for digital transmission. E1 supports signals at 2 Mbps (32 channels at 64Kbps, with 2 channels reserved for signaling and controlling), versus the T1, which carries signals at 1.544 Mbps (24 channels at 64Kbps).
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.
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