Abdul Rehman Rajput

Dubai Internet City, Dubai, United Arab Emirates

Yearly Stats: $21K Earned |

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Abdul Rehman Rajput

VoIP Carrier grade Implementations Specialist

I specialize in VOIP, Asterisk Dialplan programming, IVRs, Call Termination Setups, Call Center Setups with predictive dialing, SMS solutions, Telecom Billing, Cisco based Networks for Voice, Linux Servers Administration and Engineering.

I am a pure Asterisk coder with carrier grade implementations using clusters with Load Balancers like OpenSIPs and Kamalio.

- Tremendous exposure to the American telecom market

- Excellent English and Communication Skills

- VoIP Clustering and Redundancy solutions

- Dialers, SMS and Faxing Setups

Innovated, Repositioned and Rebranded a phone service for an American Telco with a new feature called "International Money Transactions" and bought a sales increase of 37 % in 5 months.

· Developed new markets for potential products and services; recently executed a sales project based upon social networks and boosted the company’s revenue by 27%.

Work Terms

My specialties are,

- Asterisk Dial Plan Programming with database Integration (MYSQL, MSSQL, Oracle)

- Custom IVR setup and programming

- Telecom Billing setup (A2Billing and other opensource billing)

- Calling Card Application setup (Pin based and Pinless)

- Softswitch setup for Call Termination with billing and CDRs (Call Detail Records)

- VOIP based Phone service setup

- Call Center Setup for both Inbound and Outbound using (Vicidial, Vicibox Redux)

- Linux Servers Administration from installation to troubleshooting ( Servers : Web Apache/Windows IIS, PostFix Mail, SendMail, FTP with VSFTPD, Asterisk, OpenVPN, MySql, Cron, DNS, TFTP for IP Device Provisioning, Squid Proxy Server, SSH, Samba File Sharing )

- Call Blast and SMS Blast Solution Implementation with VTiger Opensource and Sugar CRM Implementation for Business Intelligence.

- DID mapping, provisioning and configuration

- Voice Over VPN using OpenVPN tunelling and bridging

- Implemented Linux as a ROUTER for network security using IP TABLES

- Configuration of VOIP Equipment ( Routers, Gateways, Quintums, IP Phones, ATAs) using SIP and H323 protocols

- DTMF debugging and logging

• Design and proactively manage the overall data & VoIP network architecture.

• Hands on with Sales and Distribution ERP applications, CRM, Business Intelligence, Business Analytics, Business Process flow-charting.

VTiger CRM Integration to Asterisk,

SIP /PSTN trunking,

SIP DIDs configurations,

Multi lingual IVR (Interactive Voice Response) integrated with database,

Text to Speech (TTS) engine integrations and call recordings.

Advance features IP PBX,

CDR - Call Detail Reporting,

Remote Installation/support for asterisk,

Custom Development for IP telephony to the CRM - customer relationship management system,

Telecom billing system,

Telemarketing application development,

Call back system