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).
Audiocodes MP-20x series is a low cost and at the same time multi-functional analog telephone adapters that offer conventional connectivity of phone and fax devices to VoBB broadband voice services.
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