Provide a client with best and cost efficient solution.
• Telephony Framework: Asterisk, Elastic , Freepbx.
• Inbound and out bound: Call Hunting, IVR and Follow me, ring group, conference room.
• Others: voicemail, conference call, call waiting, call forwarding, spy call, call recording, CDR.
• User End Device: xlite, eyebeam, Zoiper, Cisco IP phone, grand stream phone, Analog phone with ATA