This document provides a summary of Karthik Venky's professional experience and qualifications. He has nearly 8 years of experience in testing VOIP products using various automation and manual testing tools. Currently working as a Technical Lead at Alcatel Lucent India testing their GPON and VOIP products. Experienced in testing protocols like SIP, H.248 and designing automation frameworks using TCL/TK scripting. Well-versed in IMS networks, VOIP technologies, and industry standards. Provides testing and technical expertise across various domains including GPON, IMS, softphone applications and more.

1. karthikvenky2002@gmail.com
+91-9894195757
Tamil Nadu, India
Passport Size Photo

2. OVERVIEW
Offering nearly 8 years of experience in conducting VOIP Products - Manual, Automation &
Interoperability Testing in Telecom Domain. Presently associated with Alcatel Lucent India
Limited, Tamil Nadu as Technical Lead.
Expertise in product performance, evaluating results and comparing results with predicted
outcomes. Adroit in identifying and documenting product problems or defects using bug tracking
systems.
Conversant with automation framework development, testing and process improvement.
Experience of working in GPON, IMS Technology and in design & development of automation
framework tool for testing IMS network components, CMS networks and soft phone application
testing.
Adept with voice testing tools like IXIA IxVoice, Empirix Hammer FxTDM, Hammer Call Master
and Hammer G5 SIP simulator. Well versed with TCL / TK, HVB Scripting and Sense talk; 3GPP
standards for IMS network; Packet Cable 1.5 and 2.0 IMS Architecture; ANSI and ETSI voice Call
Flows; All IMS network components core (CSCF, AS & MRF), Access n/w, Application, MGCF,
PCMM, OSS & BSS; TAS, EMTA / EDVA device provisioning and HSS subscriber provisioning; Broad
Soft Broad Works (Business IMS AS) and SPG (Service Provisioning Gateway in IMS) tools; GPON
ALU ONT interoperability with soft switches like GenbandC20, Metaswitch SIP and H248, NSN
HiQ, Ericsson IMS and Huawei IMS.

3. CORE COMPETENCIES
IT Forte:
Telecom Concepts
• Expertise in VOIP and IMS 3GPP technology
• Possess extensive knowledge of GPON FTTH standard for VOIP; packet cable architecture 1.5,
2.0 IMS and DOCSIS specifications; ISUP, H248, DIAMETER and SIP call handling; ANSI and ETSI
voice call flows; ISUP- SIP interworking concepts
• General circuit switching concepts, call processing and routing concepts
Supplementary Services
• Conceptual knowledge of Supplementary services like various call forwarding service, CLIP,
CNIP, CNIR, CLIR, call barring services, call transfer, three way call, ACR, cancel call waiting, call
waiting, 3 way call, voice mail, speed dial, call park call retrieve, directed call pickup, hunt
groups, local number portability, etc.

4. Telecom Products
• ALU ONT, ALU OLT 7342FTTU / 7360ISAM, Metaswitch, ICS5060, GenbandC20, Ericcson /
Huawei CSCF, Huawei / Ericsson TAS, Openwave Voicemail Server, Cisco BTS 10200, Cedar
Point Safari, ALU MGCF, Cisco CMTS, Arris, Thomson, Cisco and Technicolor eMTA / eDVA,
Broadsoft Broadworks, Huawei SPG, Huawei OMU
Protocols
• ISUP, SIP, DIAMETER, H248 and MGCP
Testing Tools
• IXIA Ixvoice (Analog Simulator), Empirix Voice Products Simulator (Hammer Fx-TDM (Analog),
Hammer Call Master (IVR Testing), Hammer G5 (SIP Simulator) and Wireshark
Operating Systems
• Linux and Windows XP
Coding Languages/Scripting
• TCL / TK, Hammer and Sense talk

5. Functional Skills:
• Creating databases of known defects in order to develop protocol for repeat problems
• Reviewing product requirements and specifications in order to foresee potential issues
• Providing input of functional requirements and advising on design
• Communicating processes and policies changes to peer
• Providing quality methods training to peers
• Analyzing defects and sending the product back to developers for modifications
• Suggesting ways to improve testing strategies, as well as utilizing databases to create reports
and presentations on any defects
• RCA on customer field issues and improving test plan in order to avoid future field issues

9. CAREER CONTOUR
June 2014 – Present
As Technical Lead
(Telecom domain GPON VOIP product manual testing)
June 2007 – June 2014
As Specialist
(Specialist in telecom domain VOIP manual testing
and design and development of Automation
framework tool for end to end testing of PC1.5 CMS
networks, PC2.0 Business and Residential IMS
networks)

10. Key Deliverables:
• Conducting manual testing of ISUP SS7 signaling, SIP, DIAMETER, H.248 MEGACO and MGCP
protocols; interoperability testing between ALU ONTs with different soft switches and IMS
networks
• Maintaining GPON ALU ONT and OLT product and OMCI communications
• Conducting Functional, Regression, Performance and SOAK testing on VOIP products; SIP and
H248 protocol compliance testing on ALU ONTs access devices
• Provisioning voice service via TR069 mode
• Performing Interoperability testing between different vendors eMTA, eDVA access devices
with Ericsson / Huawei IMS networks for MSO operator
• Carrying out end to end class 5 features manual and automation testing in PC1.5 EMTA with
CMS (BTS and CP) soft switches; PC2.0 EDVA with IMS core

11. HIGHLIGHTS
Received:
• Appreciation Award in Alcatel Lucent India Limited
• Client Appreciation Award in TATA ELXSI, given by COMCAST and USA MSO operator
• Extra Mile award in TATA ELXSI for good performance

12. PROJECTS
Alcatel Lucent India Limited
• GPON ONT VOIP IOT Manual Testing
Team Size: 5 Tenure: Since Jun’14
Client: Verizon, Telus, Etisalat, Sky, Telmex and NBNCo
Environment: Windows, Linux, 15 types of ALU ONT’s, Metaswitch, Broadworks, GenbandC20,
ICS5060, SSW, Ericsson IMS, TR069 voice provisioning and OMCI provisioning
Description: Fiber to the premises GPON technology.ONT provides voice, data and video triple
play services to the customer. Tested Voice service for ONT in GPON. Tested VOIP protocols
SIP and H248
Key Deliverables
 Configuring voice services using different provisioning methods like GPON standard OMCI
communications OMCIv1, OMCIv2 and TR069 provisioning using ACS server HTTP method.
 Testing:-
 SIP compliance for ONT access device.
 H248 compliance for ONT access device with meta switch.
 All supplementary services/class 5 features call flows for ONT voice services.
 ANSI and ETSI SIP voice call flows
 Interoperability between ONT’s and different Soft Switches / IMS networks

14. TATA ELXSI
• Soft-Client IMS Application Manual and Automation Testing
Team Size: 2 Tenure: Mar’13-May’14
Client: Comcast US
Environment: Windows, Linux, TCL / TK, Empirix Hammer FxTDM, Hammer XMS, Huawei SPG
(ServiceProvisioning Gateway), Comcast Xfinity Voice app iOS / Android, Eggplant and SIPP
Description: To test Xfinity Voice app with IMS networks. Design and implement a generic Soft-
Client automation architecture. The architecture enables to call between Xfinity Voice app soft
client iOS / Android and IMS eDVA’s. Testing tool(Eggplant) is utilized to provide a complete
solution by emulating users, for verifying the functionality of the voice products and reliability
of the system under test
Key Deliverables:
 Developed Eggplant scripts for Soft client / Residential IMS networks for CLASS 5 features End
to End functional verification. Developed SIPP script for load function verification
 Tested:-
 SIP compliance for the Xfinity Voice app soft client both in iOS and Android
 All supplementary services/class 5 features call flows for Xfinity Voice app Soft client
 Database for the soft client users and their registration status
 Soft client gateways for the soft client user to connect with IMS architecture

16.  Automation Testing Framework for Residential and Business IMS Voice
Team Size: 3 Tenure: Jan’12-Feb’13
Client: Comcast US
Environment: Windows, Linux, TCL / TK, Empirix Hammer FxTDM, Hammer Call Master, Hammer
G5, Hammer XMS, Huawei SPG (Service Provisioning Gateway), Cisco BACC (Broadband Access
center) and Broadsoft Broadworks
Description: To design and implement a generic Voice Test Suite Automation to provide
automated test solutions. The architecture enables to execute the test automatically using
stored inputs and expected outcomes through the use of scripting language Tcl/Tk and Expect.
Testing tool (Empirix) is utilized to provide a complete solution for verifying the functionality
of the voice products and reliability of the system under test
Key Deliverables:
 Conducted failure analysis and raising new problem description if required
 Developed:-
 Initial automation framework using TCL and automated the test cases
 Scripts for CLASS 5 features testing
 And enhanced API’s required for the feature
 Empirix scripts SBL, SBH using Hammer FxTDM (Analog)for Business IMS/Residential IMS
networks for CLASS 5 features End to End functional testing
 SPG interaction with TAS using SOAP XML tag with TCL framework

17.  PCAP interface with Hammer XMS for analyzing TGRP value in the call trace in TCL
framework for Call Typing features verification in IMS.
 TCL code to capture requirement fields to generate billing for Residential IMS and
Business IMS subscribers.
 Enhancements for front head GUI using tcl/tk in optimized manner for selection of test
cases according to networks across various features.

18.  Manual Testing of Residential and Business IMS Voice
Team Size: 4 Tenure: Jul’10-Dec’11
Client: Comcast US
Environment: SIP, DIAMETER, H248 Protocols, eDVA (Arris / Thomson / Cisco), CMTS, Camiant
PCRF, ACME,SBC, Hammer XMS, Huawei TAS, Ericsson / Huawei (Proxy / Serving) CSCF, Huawei
SPG (Service Provisioning Gateway), Ericsson / Huawei HSS, Cisco BACC (Broadband Access
Center) and Broadsoft Broadworks
Description: Testing of eDVA device integration with IMS network, End to End CLASS 5 features
testing of Residential and Business IMS Voice. Components Testing involves Camiant PCRF for
policy control mechanism, TGRP testing for Call types in TAS, HSS for subscriber provisioning,
BACC for device provisioning and Registration, CALEA testing
Key Deliverables:
 Tested:-
 Class 5 features for residential IMS like ACR, CLIR, CNIR, CW, TWC, SD8, SD30, CFU, AC,
AR, 8XX Toll free’s, LATA, SCF, SCR and VM MWI features.
 Class 5 features for business ims like call park call retrieve, directed call pickup, call
transfer blind and consultation, music on hold, bargein, hunt groups (Regular / Circular /
UCD).
 IMS Registration of subscribers using Digest method involving SIP and DIAMETER
protocol.
 IMS network servers redundancy / failover testing.

19.  Contributed in:-
 CALEA testing for access function, collection function and delivery function using Penlink
and SS8 IPG.
 Device Provisioning (Arris/Thomson devices) using BACC tool.
 Subscriber Provisioning in HSS.
 Fail-Over testing of components like CSCF and HSS for Geo-Redundancy (active/active and
active/standby) networks.
 Debugging Failure scenarios in IMS testing using Hammer XMS tool with call trace
involving SIP Protocol.
 TAS testing for Call Typing, Call Barring, Call shedding and HSS interaction using DIAMETER
protocol for subscription and notifications of updated subscriber profile.
 Testing billing component CDF interaction with CSCF/TAS/MRF(H248) using DIAMETER
protocol in creating CDR records for Offline Charging.

21.  Automation Testing Framework for CMS Softswitch and Business Voice
Team Size: 3 Tenure: Jul’09-Jun’10
Client: Comcast US
Environment: Windows, Linux, IXIA IxVoice, TCL / TK, CMS CISCO 10200 BTS softswitch, CMS safari
cedar point softswitch and broadsoft broadworks
Description: To design and implement a generic Voice Test Automation to provide automated test
solutions for CMS Cisco BTS and Cedar Point Safari softswitches. The architecture enables to
execute the test automatically using stored inputs and expected outcomes through the use of
scripting language Tcl/Tk and Expect. Testing tool(IXIA Ixvoice) GUI tool is utilized to provide a
complete solution for verifying the functionality of the voice products and reliability of the
system under test
Key Deliverables:
 Conducted failure analysis and raising new problem description if required.
 Developed:-
 Initial automation framework using TCL and automated the test cases
 Scripts for test cases involving various features. And enhanced API’s required for the
feature
 Class 5 features TST’s end to end using IXIA IxVoice for Cisco BTS, Cedar Point Safari CMS
soft switches. TCL code for calculating billing for Cisco BTS using CDR records with CLI
commands
 Launcher enhancements for front head GUI using tcl/tk in optimized manner for selection
of test cases according to networks across various features

22.  Business Voice Manual Testing - Packet Cable 1.5
Team Size: 3 Tenure: Jul’08-Jun’09
Client: Comcast US
Environment: Arris 2,4,8 line eMTA, Cisco CMTS, Cisco BTS 10200 switch, Broadsoft Broadworks,
Hammer XMS, Cisco BACC (Broadband Access Centre) and MGCP / H248 protocol
Description: Testing of eMTA device integration with BroadSoft BroadWorks and CMS softswitch
and end to end class 5 features testing for business voice. Components testing involves
BroadSoft BroadWorks, CMS, Voice Mail, QoS in CMTS, BACC for eMTA device provisioning
and Registration
Key Deliverables:
 Tested:-
 End to end MGCP / H248 signaling call flow for Business Voice network .
 Business voice features like directed call pickup, barge in, music on hold, circular hunt,
regular hunt, uniform call distribution and call park call retrieve features.
 CMTS for gate allocation and QoS during active call using CLI commands like
gateset/gatedelete by logging into CMTS unit.
 Contributed in:-
 Device Provisioning (Arris device) using BACC tool.
 Subscriber Provisioning in Broadsoft Broadworks and CMS.
 Policy server integration with CMTS.
 Defect fixing for the issues identified in field and certification cycle.

23.  Manual Testing of CMS Soft Switch - Packet Cable 1.5
Team Size: 3 Tenure: Jul’07-Jun’08
Client: Comcast US
Environment: Arris / Thomson eMTA, Cisco CMTS, Cisco BTS 10200 switch, Safari Cedar Point,
Hammer XMS, Cisco BACC (Broadband Access Centre) and MGCP protocol
Description : Testing of eMTA device integration with CMS soft switch and End to End CLASS 5
features testing for Residential voice. Components Testing involves Billing verification in
CDF(Charging Data Function) using DIAMETER Protocol, TGRP testing for Call types in CMS
application server ,PCRF involving CMTS Gate check, BACC for eMTA device provisioning and
Registration
Key Deliverables:
 Tested:-
 End to end class 5 features call flow for residential CMS network soft switches like ACR, CW,
TWC, SD8, SD30, CFU, AC, AR, 8XX toll free’s, LATA, SCF, SCR and VM MWI features.
 Developed geo-redundancy fail - over mechanism for CMS (Active / active and active /
standby).
 Tested QoS in CMTS for gate allocation during active call using CLI commands like gate set /
gate delete by logging into CMTS unit.

24.  Participated in:-
 Device Provisioning (Arris / Thomson devices) using BACC tool
 Interworking between CMS and PSTN network using MGCF and MGW
 Subscriber Provisioning in CMS
 Debugging failure scenarios in CMS testing using hammer XMS tool with call trace
involving SIP protocol
 Billing component CDF interaction testing with CMS using DIAMETER protocol in creating
CDR records for offline charging

26. ACADEMIC CREDENTIALS
B.E. (Electrical & Electronics Engineering) in 2007