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).
Open Source Asterisk PBX 1.8 release within Long-Term Support (LTS) commitment
The release of the 1.8 version as an open source VoIP project targeting its own long term support (LTS) project.
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