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Freepbx, Vicidial,Asterisk Consultant

Abhishek (Kesharwani) kumar , delhi, India


Experience

10 - 14 years

Skills

Php Mysql Linux Voip Asterisk + 1 more

I'm offering

ABHISHEK KUMAR KESARWANI
Mobile: +91 9999 359606/ +91 9560305196
Email: ******@****.**
12 years’ experience in VOIP/ASTERISK

Career Objective:
Strong Analytical, Research & Computing ability has helped to earn appreciation in my profession. Looking forward for bright and challenging career in IT Industries. To utilize my all skills & competence to benefit for the organization.

PROFESSIONAL SYNOPSIS
 An astute performer with experience in Software Designing / Development / Programming Server side. Presently working as Consultant.
 Total 12+ year experience in VOIP(Telecom)
 System designing.
 Proficient in SIP, Asterisk, Media Proxy, Radius Server, SIP, ISDN, MPLS, SIP LINK.
 Client Interaction, Solution Design, Technical Architect, Operation and promotion activity, Vendor Management.
 Bachelor’s Degree in Technology (B.Tech) – Computer Science.
 Excellent communication and interpersonal skills with strong ability in driving work force towards accomplishment of business and individual goals.
 Star Performer of the year 2007-2008, V-Angelz Technologies Pvt. Ltd.

SKILL SET

Technical
Operating System : Windows 2000/Windows 2003, XP, Linux.
Languages : Server Side PHP.
RDBMS : My SQL.
Tool : Asterisk and Radius Server, Carbide, Ethereal, AGI.


Functional
 Client interaction for requirement gathering, system study & analysis.
 Understanding the technical & functional specifications.
 Design, development, testing, troubleshooting and debugging of the application.
 System Design.

WORK EXPOSURE

Since Feb’10 as Consultant for company Balaji Sanchar Group.
Title : DTP Magic http://*******.***)
Client : DTP Magic Astro Services Pvt. Ltd.
Company : Balaji Sanchar Group

Description: This project is developed for DTP Magic Astro Service Pvt. Ltd., to provide online astrology services.

Feature:

1) User can buy talk time auto mode through website http://*******.***
2) User can buy manual voucher for recharge.
3) Real time billing.
4) Interactive IVR.

5) Call Transfer.
6) Call Recording.
7) Call Monitoring.

Role: Client Interaction, Vendor Management, Promotion Activity, Implement Business Logic, Development, Deployment and support.

Title : E1 PRI Logger
Client : EDP AIDS PVT LTD
Organization : BALAJI Sanchar GROUP
Team Size : 4.
Language : SERVER side scripting in PHP
Backend : Mysql
Tools : Asterisk, IVRS, AGI, E1 Card

Description:
This is a Heavy Duty Phone Recorder / Voice Logger designed to record 1 to 4 PRI / E1 Lines (30 to 120) Channels) simultaneously - Model Dependant. The logger records all phone conversations, as also details of Calling / Called Phone Nos., DID / Extn No., Date, Time & Duration of each Call. Powerful Search Fetures allow user to filter calls by any criterea.3 Layer password protection, provides for strong security. Product features strong monitoring controls. Software can generate alerts and update management in real time.

Main Features:

1) 24 hours x 365 Days Recording of All Incoming / Outgoing Telephone Calls saved in PC
2) Software Designed for Rugged Basic Model Records 1 PRI Line (30 Channels) per PCand High Speed performance
3) Call log provides data by Basic Model Records 1 PRI Line (30 Channels) per PC Local No Opposite No. In / Out Call, Date & Time of Call,
Call duration, File Size of Recording, Local User
4) Mark Calls as Urgent, Important, And Confidential. Add explanatory Notes.
5) Built in Internal & External Phone book
6) Option to hide Sensitive calls, Create list of Do Not Record Nos. / Internal Extensions.
Built in Missed Call Register
7) Software generates notification emails to inform relevant officials in real time
8) Voice / Conversation Recordings saved in mp3 format
9) Automatic Gain Control to ensure high voice clarity of all Calls
10) Permanent Record of All Calls - till Data deleted
11) Powerful Search Features - Locate any old Call/s / Data
12) View / Index / Export / Print Selected Call data in EXcel Format

Title : Porta One Switch.
Client : Com Link Global.
Organization : Balaji Sanchar group.

Description: Providing Support and Consultancy.

Title : IP-PBX
Client : World Phone Internet.
Organization : Balaji Sanchar Group.
Team Size : 4.
Language : PHP.
Backend : MySql.
Tools : SIP, Asterisk, AGI, A2billing, Digium TE120P Digital Card.
Platform : Fedora Core 6, Cent-Os.

Main Features :

1) DID Management.
2) Real-time Billing.
3) Call-forwarding.
4) Follow-me.
5) Follow-me with voicemail.
6) DND.
7) Black List.
8) Call Transfer.
9) Voice Mail.
10) Call Conferencing.
11) Phone Management.
12) Call on hold.
13) Call Recording.
14) Call Speed Dial.
15) N-way Calling.
16) Fax2mail.
17) Mail2fax.
18) Web2fax.
19) Balance IVR.
20) H323 and SIP accounts Capability.
21) Real time Monitoring.
22) IVR Management.
23) Virtual Reception.
24) T1/E1 Line Integration.

Project Description:

The project is developed for World Phone Internet. To enable the ip-pbx service for pc2pc call, pc2phone calls and have many features, with graphical user interface. With this product user can connect more than one office, and can do free-calls between offices(ip2ip calling), arrange conference , do nway calling, they can also record these calls, monitor calls, runs virtual reception and manage the all calls by placing IVR, with this product they can replace their EPBX. The main tool used to develop this project is Asterisk, a2billing,php, MySql, Asterisk B2BUA(AGI Scripting).

Role and work: Main responsible implementing call logic, developing system and deployment.


Projects Handle

Title : Inbound Contact Centre Management(Vas Service(Astrology/counselling)).
Client : World Phone India
Organization : Balaji Sanchar Group.
Team Size : 4.
Language : PHP.
Database : MySql.
Tools : SIP, Asterisk, AGI Scripting, Digium Card, PRI Liens.
Platform : Cent Os -5.4.

Main Features:

1) Inbound Call Handling by ivr.
2) Live call monitoring.
3) Brazing
4) Transfer.
5) CDR .
6) Agent wise, monthly, daily etc.
7) Call Recording.


Project Description:
The project is developed for Balaji Sanchar Group, for providing the astrology service of vodaphone/
Airtel /Reliance/ IDEA/ Aircel. In this project call is authenticated by ANI number and restricted by allow
Series of network. In this project there is different types of report known as product wise, agent wise, circle wise, daily load etc all is exported in xl form. Service offered VAS.

Role: Coding, Testing and implementation.






Title : IVR System for recharge and Payment.
Client : My Point India http://*******.***)
Organization : Balaji Sanchar Group.
Team Size : 4.
Language : PHP.
Database : MySql.
Tools : SIP, Asterisk, AGI Scripting, Digium Card, PRI Liens.
Platform : Cent Os -5.4.

Main Features:

Flexi recharge by ivr to any network and make payment by ivr, balance enquiry and know the status
Of the recharge and payment by ivr.

Project Description:
The project is developed for My Point India Pvt Ltd, this system is an automatic ivr system to recharge (dishtv/airetel/vodaphone/idiea/mtnl), user need to dial on predefine number and have to enter his recharge coupon number/credit card details to make payment. By using ivr system user can recharge any network.
Role: Coding, Testing and implementation.





Title : Inbound/Outbound Contact Centre Management
Client : Look My City http://*******.***)
Organization : Balaji Sanchar Group.
Team Size : 4.
Language : PHP.
Database : MySql.
Tools : SIP, Asterisk, AGI Scripting, Digium Card, PRI Liens.
Platform : Cent Os -5.4.

Main Features:

1) Inbound, Outbound and Blended call handling
2) Outbound agent-controlled, broadcast and predictive dialling.
3) Web-based agent and administrative interfaces
4) Ability to have agents operate remotely
5) Integrated call recording
6) Three-Way calling within the agent application
7) Scheduled Call-backs: Agent-Only and Anyone
8) Scalable to hundreds of seats
9) Ability to use standard Telco lines and VOIP trunks
10) Ability for an agent to call clients in succession from a database through a web-client
11) Ability to display a script for the agent to read with fields like name, address, etc. filled-in
12) Ability to set a campaign to auto-dial and send live calls to available agents
13) Ability to dial predicatively in a campaign with an adaptive dialling algorithm
14) Ability to dial on a single campaign across multiple Asterisk servers, or multiple campaigns on a single server
15) Ability to transfer calls with customer data to a closer on the local system or a remote Asterisk server
16) Ability to open a custom web page with user data from the call, per campaign
17) Ability to autodial campaigns to start with a simple IVR then direct to agent
18) Ability to broadcast dial to customers with a pre-recorded message
19) Ability to park the customer with custom music per campaign
20) Ability to send a dropped call to a voicemail box per campaign if no agent is available
21) Ability to set outbound CallerID per campaign
22) Ability to take inbound calls grabbing CallerID
23) Ability to function as an ACD for inbound and frontier/closer verification calls
24) Ability to have an agent take both inbound and outbound calls in one session(blended)
25) Ability to start and stop recording an agent's calls at any time
26) Ability to automatically record all calls
27) Ability to manually or automatically call up to two other customer numbers for the same lead
28) Ability to schedule a call-back with a customer as either any-agent or agent-specific
29) Ability in Manual dial mode to preview leads before dialling
30) Ability for agents to be logged in remotely anywhere with just a phone and a web browser
31)Faster hang-up and dispositioning of calls with one key press (Hotkeys)
32)Definable Agent Wrap-up-time per campaign
33)Ability to add custom call dispositions per campaign
34)Ability to use custom database queries in campaign dialling
35) Recycling of Busy calls at a specified interval without resetting a list
36) Dialling with custom Time Zone restrictions including per state and per day-of-the-week
37) Dialling with Answering Machine Detection, also playing a message for AM calls
38)Multiple campaigns and lead-lists are possible
39)Option of a drop timer with safe-harbour message for FTC compliance
40)Variable drop call percentage when dialling predicatively for FTC compliance
41)Internal DNC list can optionally be activated per campaign
42)All calls are logged and statuses of calls are logged as well as agent time breakdowns
43)Load Balancing across multiple inbound or outbound Asterisk servers is possible
44)Several real-time and summary reports available
45)Real-time campaign display screens
46)3rd party conferencing(with DTMF macros and number presets)
47) 3rd party blind call transfer
48) 3rd party conferencing with agent drop-off
49) Outbound dialling is Queue Metrics-compatible
50) Web-based administration




Project Description:
The project is developed for Look My City, this system is an inbound and out bound contact centre management. User need to dial on predefine number, call me be land on ivr system after that it get route by ivr and answered by available agent. Its an local search engine system through which user can get the information about their city and agent also can make the out bound call via the same system.

Role: Coding, Testing and implementation.


Title : IVR System
Client : foodie http://*******.***)
Organization : Balaji Sanchar Group.
Team Size : 4.
Language : PHP, A2billing.
Database : MySql.
Tools : SIP, Asterisk, AGI Scripting, Digium Card, PRI Liens.
Platform : Fedora-10.




Project Description:
The project is developed for Foodiebay Pvt Ltd, this system is an automatic ivr system, user need to dial on predefine number and have to enter his restaurant extension after that system will get connect user to restaurant and he can place his order.
Role: Coding, Testing and implementation.



Title : Mobile Dialer
Client : I Call Globe Pvt. Ltd..
Organization : V-Angelz Tech. Ltd.
Team Size : 4.
Language : C++.
Tools : SIP, Carbide C++ version 2.0,SDK Feature Fack2 and Maintains Release .
: Open source PJSIP Stack, Sip Server, Handset Nokia and E-Series.
Platform : Symbian.

Main Features:

1) User friendly interface.
2) Mobile Dialer supports SIP for signalling.
3) Mobile Dialer supports GSM, Speex, G722 and G.711 codec for sending audio data.
4) Mobile Dialer can run behind NAT or on private IP.
5) Client can hear remaining balance by listening to IVR.
6) Mobile Dialer runs on application layer so it supports GPRS, WiFi,3G network and Bluetooth for internet connectivity.
7) This software will run on the phone having Symbian (Supporting Nokia N and E Series).
8) Able to use Mobile Dialer with any kind of Soft switch which support SIP.

Project Description:
The project is developed for I Call Globe Pvt. Ltd. To enable the VoIP services on mobile, by using this software users can call in between same client as free call they just need have gprs , Wi-Fi or 3G internet connectivity, they can also call in other network.


Title : IP-PBX
Client : I Call Globe Pvt. Ltd..
Organization : V-angelz Tech. Ltd.
Team Size : 4.
Language : PHP, VoiceXML.
Backend : MySql.
Tools : SIP, Asterisk, AGI, A2billing, Digium TE120P Digital Card.
Platform : Fedora Core 6, Cent-Os.

Main Features :

25) DID Management.
26) Real-time Billing.
27) Call-forwarding.
28) Follow-me.
29) Follow-me with voicemail.
30) DND.
31) Black List.
32) Call Transfer.
33) Voice Mail.
34) Call Conferencing.
35) Phone Management.
36) Call on hold.
37) Call Recording.
38) Call Speed Dial.
39) N-way Calling.
40) Fax2mail.
41) Mail2fax.
42) Web2fax.
43) Balance IVR.
44) H323 and SIP accounts Capability.
45) Real time Monitoring.
46) IVR Management.
47) Virtual Reception.
48) T1/E1 Line Integration.

Project Description:

The project is developed for I Call Globe Pvt. Ltd. To enable the ip-pbx service for pc2pc call, pc2phone calls and have many features, with graphical user interface. With this product user can connect more than one office, and can do free-calls between offices(ip2ip calling), arrange conference , do nway calling, they can also record these calls, monitor calls, runs virtual reception and manage the all calls by placing IVR, with this product they can replace their EPBX. The main tool used to develop this project is Asterisk,a2billing,php, mysql, Asterisk B2BUA(AGI Scripting).

Role and work: Main responsible implementing call logic, developing system and deployment.

Title : Predictive Dialer.
Client : I Call Globe Pvt. Ltd.
Organization : V-Angelz Tech. Ltd.
Team Size : 4.
Language : PHP.
Backend : MySql.
Tools : SIP, Asterisk, AGI, Digium TE120P Digital Card.
Platform : Fedora Core 6, Cent-Os.

Main Features:

1) Grabs live call info from a DB updated every second.
2) Displays live status of users phones and Zap/IAX/SIP/Local channels.
3) Allows calls to be placed from GUI and directed to phone.
4) Allows intrasystem calls at the click of a button.
5) Allows call recording at the click of a button.
6) Administrative Hang-up of any live Zap/IAX/SIP/Local channel.
7) Administrative Hijack of any live Zap/IAX/SIP/Local channel.
8) Administrative switch user function.
9) Allows transfers of calls to intrasystem extensions.
10) Allows Blind transfers of calls to external numbers.
11) Allows transfers to conferences.
12) N-Way Calling.
13) T1/E1 Line Integration.


Project Description:
The project is developed for I Call Globe Pvt. Ltd to enable the call centres solutions.” A predictive dialer is
a computerized system that automatically dials batches of telephone numbers for
connection to agents assigned to sales or other campaigns. Predictive dialers are widely used in call
centers.



Title : Adore Call-back System.
Client : Adore Infotech.
Organization : Adore Infotech Pvt. Ltd.
Team Size : 4.
Language : Perl, PHP.
Backend : MySQL.
Tools : SIP, Asterisk, Asterisk B2BUA, Radius Server.




Main Features :

1) Trigger Call-back by web.
2) Trigger Call-back from E-Mail.
3) Trigger Call-back from ANI.
4) Trigger Call-back from SMS.
Project Description : The project is developed for the Adore Infotech to enable Call-back service for PC-to-PC calls, Pc-to PSTN/mobile calls, IP to IP phone calls. With this user can trigger a call-back using any web enabled computer or device worldwide and of course, by telephone. The main tools used to realize this was Asterisk, Radius Server, Asterisk B2BUA (AGI Scripting).

Role and work : Mainly responsible for Requirement analysis, development work, Coding, Deployment.


Title : Adore IP-PBX
Client : AdoreInfotech.
Organization : Adore Infotech Pvt. Ltd.
Team Size : 4.
Language : Call Processing Language, C, and PHP, Perl.
Backend : MySQL.
Tools : SIP Express Router (SER), Asterisk B2BUA, Radius Server, Radiusclient,
Media proxy, Adore Softphone.
Operating System : Redhat Enterprise Linux 4.



Main Features : PC to PC,PC to Phone calling, Interactive Voice Response, Voicemail ,Call Conference ,Set Caller Id ,Music On Hold ,Call Forwarding ,Call Transfer ,Call Waiting, Call Monitoring, Call Parking ,Caller Id Blocking ,IVR Balance Play ,Follow-Me, Three-Way Conferencing and Credit Time Play ,AGI Scripts, Database Integration.
Project Description:
The project is developed for the AdoreInfotech to set up a VoIP service to enable PC-to-PC calls , Pc-to PSTN/mobile calls, IP to IP phone calls. The main tools used to realize this was Sip Express Router alongside Radius Server and VOIP Billing System.
The users can login using their IP Phones/Softphones and be able to make calls to peers on PC or landline/phones. PC-to-PC calls are free, but for PC-to landline calls, their account are first authorized by Radius server for valid credit amount left in their account. After which, the radius server replies to the SIP server the status of the call be made, if successful, the SIP server forwards the call to the SoftSwitch for the specified duration of the remaining amount, else the users gets an “No credit” Left voice announcement.

Role:

Was Responsible for system analysis, setting up the system, from server on Redhat Enterprise Edition, till the point of the service going live, which included setting up and configuring the SIP servers, development work, setting up and configuration of Call processing logic for Radius enabled authentication, authorization and accounting, and automatic traversal of SIP clients, with Admission Control Logic in SIP Proxy Server, configuring pbx feature on asterisk..

 Title : VoIP Service
Client : Qualityvoip http://*******.***)
Organization : Adore Infotech Pvt. Ltd.
Operating System : Redhat Enterprise Linux 4.
Language : Call Processing Language, C, PHP and Perl.
Tools : SIP Express Router (SER), Asterisk B2BUA, Radius Server, Radius client,
Media Proxy, Adore Softphone, MySQL, PHP.

Project Description :
The project is for a Telecom firm engaged in VoIP business which has realized the power of growing emergence of VoIP as a business opportunity. The project entailed setting up a VoIP service similar to Vonage or Voicepulse, to enable PC to-PC calls or Pc-to PSTN/mobile calls. The main tools used to realize this was Sip Express Router alongside Radius Server and VOIP Billing System. The users can login using their IP Phones/Softphones and be able to make calls to peers on PC or landline/phones. PC-to-PC calls are free, but for PC-to landline calls, their account are first authorized by Radius server for valid credit amount left in their account. After which, the radius server replies to the SIP server the status of the call be made, if successful, the SIP server forwards the call to the SoftSwitch for the specified duration of the remaining amount, else the users gets an “No credit” Left voice announcement

Role : Was Responsible for setting up the system, from server on Redhat Enterprise Edition, till the point of the service going live, which included setting up and configuring the SIP servers, configuring them, setting up and configuration of Call processing logic for Radius enabled authentication, authorization and accounting, and automatic traversal of SIP clients, with Admission Control Logic in SIP Proxy Server.

ACADEMIC QUALIFICATIONS
 Bachelor’s Degree in Technology (B.Tech) – Computer Science with 62% from Institute of Engineering and Rural Technology (Uttar Pradesh Technical University) in 2005.
 12th (U.P Board) from R.K.I.C, Shankergarh, Allahabad in 2000.
 10th (U.P Board) from Government Intermediate College, Allahabad in 1998.

ACADEMIC PROJECTS (Under B.Tech. Curriculum)
 Title : Mobility Management in Wireless Network
Duration : 1 year
Team Size : 4
Environment : Linux, Network Simulator
Scope : The project was conducted to remove handoff latency, location
Management cost & maintains MIP properties in wireless network we proposed a new scheme, which included forwarding pointer scheme. Forwarding pointers between the two domains are used to keep the track of the track of the location of the mobile node. The project presents simulation results to validate the result.

 Title : Text Editor
Duration : 6 months
Team Size : 4
Environment : VB.Net & Win-XP
Scope : The project was implemented to prepare software for editing different
Types of the texts & do different types of activities like write, delete, cut, paste & copy on the text space provided.

 Title : Student Academic Record
Duration : 6 months
Team Size : 4
Environment : C#, SQL Server and Windows-XP
Scope : The project was designed for providing the users to select student record
According U.P. Technical University Roll Number and see a student academic record either semester wise or year wise or batch results in a particular subject.

 Title : Student Profile
Duration : 6 months
Team Size : 5
Environment : ASP.Net, SQL Server & Win-XP
Scope : The project was developed for providing students profile on site relating
http://*******.***

 Title : K.B.C
Duration : 6 months
Team Size : 3
Environment : C#, SQL Server & Win-XP
Scope : The project involved preparing a similar type of Game just like Kaun
Banega Crorepati.

TRAININGS & SEMINARS
 Undergone 4 weeks vocational training at B.S.N.L Allahabad in 2004.
 Presented a brief talk on “Reducing Signalling Cost” in Mobile IP Seminar.


EXTRA CURRICULAR ACCOLADES
 Active member of Training & Placement Office.
 Participated in various events and won laurels, viz.:
- Stage Play, received 1st position at College Level.
- Debate, received 2nd position at College Level.
- Essay Writing, received 3rd position at College Level.



PERSONAL DETAILS
 Date of Birth : 2nd May 1983
 Present Address : 45B, BR Block Shalimar bagh 110088.
 Permanent Address : G.D. Jewelers, Ward No.8, Shankergarh, Allahabad – 211002 (U.P).

Markets

United Kingdom

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Language

English

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