“Extension” - is the extension of the telephone line (PBX) or the Centrex system. It works as an association and allows calling to certain telephone sets without the necessity of dialing the telephone number, but only by dialing a short combination of digits, reaching the desired subscriber.
We are providing A-Z routing. We are providing best call quality in Bangladesh. Also We offer Mobile Dialer and Pc2Phone for all block countries like UAE,KSA,QATAR,LIBYA,OMAN ETC.MSN ID
info@dragontelbd.com.
Mob : +8801740615828