I have working experience of more than 4yrs on Asterisk, Freeswitch, A2billing, Elastix, Free PBX,Elastix,Vicidial,GoAutodial,Os Dial,TrixBox,FusionPBX,vTiger, CRM, FAX integration and other VoIP related technologies.


Advanced Dialplan in asterisk,a2billing,Voice Broadcast,Click2Call Solution,Conferencing Solution,VoiceMail,Realtime DB Integration and IVR specialist.

Useful and cost-effective phone management system planning & designing & installation for Call centre setup using open source Vicidial,Goautodial,Elastix,Freepbx,TriXbox.

Expertises in Digium, Sangoma,Allo,Openvox and other type of PRI & PSTN Card installation as well as VOIP Setup From Scratch.

Connecting Multiple Asterisk Server & Cloud Solution for asterisk.Also In Virtualization like AWS,OpenVz,Vmware ESXI,VitualBox,KVM.

Networking Knowledge like Windows,Linux Server administration and optimization (WLAN, LAN, VPN, WAN, WDS, VPS, TS, VoIP)

Strong Knowledge in Router(Cisco),Firewall(Sonicwall,Checkpoint,Cyberoam) and Windows Server 2008 R2(AD,DHCP,DNS,IIS,Terminal Services) and also in Network Monitoring Tools Like Nagios,Cacti,MRTG.



Below is the list and brief detail of some of our previous work. Hope you will look into My experience.
•Web/Audio conferencing with moderator/inviters pins with real time billing.
•Registration/Phone verification/Balance alert/notification through SMS.
•Scheduled conferencing, SMS, Callback.
•SMS API integration. Provision of sending SMS from website and SMS billing.
•Complete calling card setup with all features like pinless dialing, speed dial, callerid etc.
•Made Customized IVRs for calling card in various languages.
•Made website which allow customer sign up and calling facility through the website. The Website has calling, Call logs, payment, pin generation, sms features etc.
•Sending voice mail as an attachment to user email.
•Caller block, Black list caller ids, call recording, call transfers, call hunt
•Auto dialer script for political and ad campaigns
•Auto IVR making software.
•Office automation/Auto receptionist
•Auto dialer/Voice/SMS broadcasting
•Click to Call functionality
•Broadcasting with agents transfer option for call center solution.
•Hylafax integration for sending receiving fax with asterisk
•Multiple server load balancing architecture setup.
•XML/SOAP/Http APIs for data retrieval, updates, CRM integration and data fetch
•Agent/Reseller module integrations
•CRM integration
•Customized real time billing with features like active calls, real time call billing, provider management, rate card etc.
•Implementation of features like Call Forwarding, Call Transfer, Call Waiting, Call Park, Call Mute and many more PBX Features.
•Server load balancing, High Availability, 24*7 Support


Features:
•VoIP calling to landline/mobile
•VoIP(SIP-SIP calling) calling within network
•Hold, mute, speaker, keypad display
•SMS sending
•Rate checker
•Balance
•Call/SMS logs
•Address Book integration
•Profile
•Support for G729,G711, ulaw, alaw, video codecs
•Support for Wi-Fi, 3G
•IM chat with gmail, yahoo, msn
•Sip chat within network
•Upload/Share File, audio, video, location
•Video calling (available for iphone & android only for now) with multiple user
•Conference calling
•Call through
•Callback