t
taj_mul

Tajmul

@taj_mul
5.0(2)

Advanced SIP and VoIP troubleshooting

India
Inglés, Tamil, Urdu, Hindi
Parte de la información aparece en idioma inglés.
Sobre mí
VoIP & SIP Support Engineer with 6+ years of experience in telecom and provider-side environments. I specialize in SIP call flow troubleshooting, PCAP (Wireshark) analysis, SIP trunk integrations, and SBC/PBX issue resolution. I have worked with carriers, SBCs, and PBX platforms to diagnose call failures, audio issues, and registration problems. My focus is on accurate root cause analysis, clear explanations, and practical fix recommendations for VoIP teams, MSPs, and businesses.... Lee más

Habilidades

t
taj_mul
Tajmul
desconectado • 
Tiempo medio de respuesta: 5 horas

Revisa mis servicios

Transcripción
I will transcribe audio or video to accurate, clean text
5.0(2)
Digitación de datos
I will retype handwritten, scanned pdfs, or images into editable word or excel

Experiencia laboral

OBS

Technical Support Engineer – Telecom/VoIP

OBS • Tiempo completo

Nov 2018 - Apr 20256 yrs 5 mos

Monitored global A–Z VoIP traffic, route quality, and fraud-alert patterns in real time. Performed SIP tracing and call-flow analysis to resolve CLI failures, one-way/mute audio, call drops, and signaling issues. Optimized Mera/SwitchRay SBC for routing validation, SIP debugging, and service stability. Managed ILD/NLD routing, identified FAS issues, roaming call failures, TFN issues, and QoS degradations across global partners. Utilized tools such as U2000, NSP, EWSD, GenView, IntelliSight, and Wireshark for real-time troubleshooting. Maintained Grafana/Zabbix dashboards and prepared shift reports for global NOC operations. Delivered end-to-end RCA, incident documentation, and communicated with sales, routing, and engineering teams. Guided customers through SIP connectivity tests and configuration steps with clear, structured communication. Coordinated with vendors, interconnect partners, and internal teams to maintain SLA compliance and service uptime.

2 Reseñas
5.0

(2)
(0)
(0)
(0)
(0)
Desglose de calificaciones
  • Nivel de comunicación del Freelancer
    5
  • Calidad de la entrega
    5
  • Valor de la entrega
    5
1-2 de 2 reseñas
Ordenar por
Más relevante
    R
    image-docs

    rabeshsukrajh

    ZA

    Sudáfrica

    5

    It was a pleasure receiving the transcript. The English was well-written and an accurate account of the video recording. Thank you so much!

    Hasta USD50

    Precio

    9 días

    Tiempo

    gig

    Transcripción

    Útil?
    No
    P

    personaentertai

    Cliente recurrente

    SA

    Arabia Saudita

    5

    Tajmul was exceptional in everything . With a good experience, he worked very well and deliver on time. Looking forward to work with him again.

    Hasta USD50

    Precio

    6 días

    Tiempo

    gig

    Transcripción

    Útil?
    No