1. SABIR AHMED KHAN
Organization : Mitel
Designation : Technical Lead
Current Location : Bangalore
Total Experience :7.7 years
Highest Qualification : B-Tech [Electronics & Instrumentation]
Date of Birth : 29/08/1984
Phone : 919916894951
Email : ksabir190@yahoo.co.in
CAREER OBJECTIVE
Accomplishing the success in this arena and to be in a position where efficiency and technical acumen can be
best utilized for the enhancement of name and fame of my company.
SKILLS
• Testing Protocols: SIP, ISUP, SS7, TCAP, SCCP, MSRP,DIAMETER
• Technologies: IMS, VOIP, NGN, PSTN, GSM
• Platforms : Windows98/XP/2000, Linux
• Testing Tools: EAST, SIPp, MGTS
• Tools: Wireshirk, Winscp, XShell4, Putty, Bugzilla
• Scripting Languages : Perl, Shell
PROFESSIONAL ABRIDGEMENT
RMS testing | System Testing | Mitel Systems Pvt. Ltd. | August'14 – Till Now :-
RMS 9.3 Support CPM based feature delivery of RCS 5.1 features for page mode, large mode, session mode 1-
1/1-N chat and 1-1/1-N file transfer.Also Support IMS to Legacy SMS/MMS interworking for all the above
defined features for CPM mode.
Key Responsibilities:
 RMS environment set-up in our Test bed.
 Testing Features, sanity & regression of all product series of RMS.
 Testing of various chat scenario-such as IM-instant messaging 1-1 message, 1-N message, SF-Store Forward
Functionality-1-1 SF, 1-N SF, File Transfer 1-1 , FT 1-N,
 Testing of Legacy Interworking towards SMSC/MMSC.
 Testing of HTTP FT.
 Acquired knowledge of various IMS protocol.
 Regression for New Release/Patch Testing;
 Identifying defect & raising bugs using Bugzilla & tracking them to close the defects.
 Root cause analysis;
RMS |Antispam Feature Testing | MITEL :- Jan'14 – Aug’14
In the Anti-Spam solution, Adaptive Security Platform acts as the Policy Detection Point for Spam prevention
and RMS serving as the RCS IM Application Server acts as the Policy Enforcement Point for Spam prevention.
RMS is expected to be interface to ASP over HTTP/HTTPS protocol via load balancers (primary and secondary)
for deployment

2. Key Responsibilities:
 RMS environment set-up with ASP node in our Test bed.
 Intergrade RMS with all other nodes CSCF, EAST, HSS.
 Review the FRS, Prepared test plan, shared with concern team for review.
 Compliance Testing for HTTP POST from RMS to ASP Node.
 Feature Testing for antispam check on 1-1 Chat/1-N Chat/1-1 FT/1-N FT/PM/LM
 Acquired knowledge of various IMS protocol.
 Regression for New Release/Patch Testing.
 Identifying defect & raising bugs using Bugzilla & tracking them to close the defects.
 Root cause analysis;
IMS AS TESTING | Feature Testing / Regression testing / Automation testing | Bangalore(R & D Centre):-
Mavenir System | Sep'12 – Dec’13
RCSe system is designed for the IMS Network with layered and open architecture, which incorporates standard
interfaces to communicate between core layers. Like S-CSCF, the application layer device in Mavenir Systems
IMS architecture implements functions such as IM-instant messaging, 1-1 message,1- N message, SF-Store &
Forward Functionality-1-1 SF,1-n SF, File Transfer 1-1 ,FT 1-n,Content Storing ,Camel & Diameter charging.
Key Responsibilities:
 Environment set-up for East Simulation tool to RCSe.
 Testing sanity & regression of all product series of RCSe(RMS).
 Testing of various chat scenario-such as IM-instant messaging 1-1 message,1-n message,SF-Store Forward
Functionality-1-1 SF,1-n SF, File Transfer 1-1 ,FT 1-n,Content Storing ,Camel & Diameter online-offline
charging.
 Support for UDP,TCP,TLS
 Creating Number-7 signaling links, SIGTRAN Links (m3ua), configuring CAMEL configuration for charging.
 Acquired knowledge of various IMS protocol.
 Regression for New Release/Patch Testing;
 Identifying defect & raising bugs using Bugzilla & tracking them to close the defects.
Root cause analysis
NGN testing | Feature Testing / Regression testing / Automation testing | Bangalore(R & D Centre):-ZTE
Telecom India
ZTE Softswitch system is designed for the Next Generation Network with layered and open architecture, which
incorporates standard interfaces to communicate between layers. ZXSS10 SS1b, the core device in ZTE’s Softswitch
architecture implements functions such as call control, media gateway access, routing, protocol processing, accounting,
etc., The system supports integrated media gateways, terminal devices, and can interwork with the legacy PSTN/ISDN,
PLMN and IN.
Key Responsibilities:
 Prepare test cases for various SS7/ISUP scenarios possible with ITU-T document;
 Environment set-up for SIP–SIP, SIP-ISUP interworking with PSTN & MAP interworking with HLR;
 Testing of various Call forwarding scenarios [CFU, NDUB, UDUB, CFNRy, CFNRc];
 Support for SIP-I;
 Creating Number-7 signaling links, Sigtran Links (m3ua), configuring SCCP-GTT towards HLR;
 Acquired knowledge of various NGN protocols;
 Regression for New Release/Patch Testing;
 IOT test for ZXSS10 SS1b with other vendors (MSC, HLR & PSTN);

3.  Root cause analysis;
NLD/ILD Switch (NGN) | Aircel India Pvt. Ltd. | NOC Team Lead | Kolkata:-ZTE Telecom India
The project is designed for AIRCEL for employing the NGN Technology for Commercial Activities. The project involved from
the starting of Testing, Validation, and installation and commissioning of the equipment. Taken the responsibility for
connectivity with service providers, E1 augmentation, Daily Traffic report analysis, KPI Report analysis, Uptime Report
analysis and solving several types of problems being raised during maintenance from both software and hardware caused
in MSG and Soft-switch.
Key Responsibilities:
 Ensuring that all circles should route the commercial traffic towards our NLD switch;
 E1 augmentation, rearrangement of ckts and carrier growth to avoid congestion and complaint free
Telecom Network;
 Software up-gradation & patch administration for ZTE SS & MGW;
 Establishment of association between MGW-SOFTSWITCH, MGC-SG and MG-SG, SOFTSWITCH-
SOFTSWITCH;
 Use of proper codec for compression of voice so that quality as well as efficient utilization of bandwidth can
be maintained.;
 Routing administration (DAS and Route list creation);
 SIP connectivity with other GSM operator;
 Analysis of ISUP/SIP traces between MGC to MGC calls;
 Customer call complains resolution, analyzing its root cause;
 Monitoring of hardware fault and all POI fault related alarms;
 Daily reports (NLD Traffic report, KPI report, UP time report, TG Report, etc.
 Responsible for Aircel NLD Network fault management;
 Daily Traffic report analysis to ensure all intended traffic is routed towards us.s
SCHOLASTICS
2007: B-Tech [Electronics & Instrumentation] from West Bengal University of Technology | First Class
2002: Higher Secondary from West Bengal Council of Higher Secondary Education | First Class
2000: Secondary from West Bengal Board of Secondary Education | First Class
PROFESSIONAL ACHIEVEMENTS AND AWARDS
 Got Advance Training in China for 3 weeks.
 Awarded as BEST EMPLOYEE for the year 2010-2011 in ZTE.
 Awarded for MONTHLY CONTRIBUTION for the year 2014-2015 in Mavenir.
 Acquired GOOD in Probation Appraisal.
 Learned man power managing and time management in achieving some target within due date.
 Establishing quality of works as per client specifics & achieved customer appreciation.
I hereby declare that the above information are true to the best of my knowledge.
Place: Bangalore
Date: 04.08.15 Sabir Ahmed Khan