New Annex B - Use of data signal detection and silence insertion in voiceband data, and new Annex C on use of V.21 preamble for echo canceller control in a V.152 gateway Superseded ...

Dhaka-Chattogram highway, a lifeline for the country's trade and commerce, has turned into a death trap with 152 fatalities and 137 injuries recorded in 171 road crashes between January and December ...