This is a device allowing a user to make VoIP calls using session initiation protocol (SIP). SIP is a telecommunication technology developed as a fast, easy standard for delivering IP-based data, voice, and video communications.
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