Description

Job Description

  • Responsible for test planning and execution of RG (Residential Gateways) certification testing for consumer services
  • Identify key issues, open defects, work with the vendor for a resolution, validate and resolve the defects once fix is available in a labs-based environment
  • Understand and able to configure voice gateways with registrar server and troubleshoot connectivity issues
  • Able to read and analyze debug VoIP logs and open bugs with vendors
  • Provision and configure voip lines on RGs (Residential Gateways)
  • Thorough understanding of IP based network systems and protocols
  • Extensive knowledge of SIP protocol and related network components (Gateways, SBC, Proxy).
  • End to End call flow testing of VoIP services which may require coordination with other teams (Domestic and International)
  • Developing test scripts and plans; Perl and / or Shell scripting experience is a plus
  • Provide Lab environment test support
  • Deep understanding and debugging capabilities for SIP, RTP and WireShark traces/captures
  • Test SIP and RTP call traces and SIP call flow
  • Attend project meetings to review system and test requirements
  • Responsible for Tier 4 problem and troubleshooting/diagnosis and resolution
  • Provide production and escalation support to Operations and Service teams
  • Experience with tracing and troubleshooting VoIP sessions at the packet level
  • Experience in handling VoIP related automation test tools for call generation is a plus

 

 Required Skills/Experience: 

  • 5 years of testing and field support experience in various VoIP and/or Mobility products and technologies
  • Strong Tier 4 problem and troubleshooting/diagnosis and resolution experience.
  • Extensive knowledge/experience with various protocols/architectures (SIP, RTP, RTCP, H.323, IMS, T.38) wrt implementation, interworking, troubleshooting, and support
  • Experience with VoIP and/or Mobility Solutions with extensive knowledge of Dial Plans, Call Features and Media Resources
  • Working knowledge/experience of IP networking (v4 and v6), IP networking protocols, NATing, ACLs, SSL/TLS, VLANs and Routing protocols in the troubleshooting and support realms.
  • Unix skills and knowledge of OpenStack and relevant protocols for virtual services design like HTML, XML, Java, Python is a plus.
  • Experience with gathering, analyzing, and troubleshooting complex customer/network (VoIP and/or Mobility) sessions at the packet level, using tools such as Wireshark, Agilent, Tektronix, Netscope.
  • Strong communications skills – required for working directly with vendors and manage/direct outage bridges.
  • Understand and able to configure voice gateways with registrar server and troubleshoot connectivity issues
  • Proven experience and success with voice over LAN, WAN and QOS design and implementation.
  • Issue management and tracking (good project management and record keeping skills)
  • Prior Telecom Consumer-VOIP service delivery (Test and Turn) experience is a plus
  • Knowledge of quality/bug tracking systems (i.e. Quality Center, TMATS) and testing processes
  • Deep understanding of the SIP protocol and IETF/ITUT standards in support of VoIP services.  Examples: RFCs 3261, 3262, 3264, 4566, etc.

 


 

Key Skills
Back To Jobs