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Muhammad H
@haider6294
VoIP aka Business Phone System Specialist
Pakistan
English
About me
Hi, I’m Shahbaz, a VoIP and Network Support Engineer with 8+ years of experience working with US and UK MSPs. I specialize in 3CX, FreePBX, Bicom, NetSapiens, Yeastar, and Grandstream systems. I handle extensions, IVRs, call routing, SIP trunks, DIDs, and IP phone provisioning (Yealink, Fanvil, Grandstream). I also troubleshoot one-way audio, call quality, and registration issues. Strong networking skills including VLANs, NAT, routers, and firewalls. I provide reliable, fast, and clear solutions for business telephony and network environments.
Skills
Muhammad H
Offline •
Average response time: 1 hour
See my services
Support & IT
I will setup 3cx v20 from scratch and provide support
Portfolio
Work experience
VoIP Installer & Support Engineer
Ringfree Communications • Full-time
Dec 2020 - Present • 5 yrs 5 mos
•Administered Bicom Multi-Tenant & NetSapiens platforms •Supported Cisco Broadsoft & FreePBX customers •Managed SIP trunk integrations (Bandwidth, VoIP Innovations) •Led number porting & carrier coordination (Spectrum, Cox, etc.) •Conducted PBX audits & migration planning •Performed remote phone deployments via onsite engineers •Configured call routing, IVRs, BLFs, hunt groups & failover rules •Resolved one-way audio, codec mismatches & registration failures •Supported Yealink, Fanvil & Grandstream devices •Managed Fax solutions (NetSapiens / NetSatisFax portal) •Used Zoho CRM, Zoho Desk, Asana & Rocketlane for project tracking •Achieved Yealink Certified IP Phone Engineer certification
Level 2 IT & VoIP Support Engineer (UK MSP – Remote)
Creative Networks,Rochdale-- UK • Full-time
Jan 2017 - Dec 2020 • 3 yrs 11 mos
• Administered 3CX PBX systems & SIP trunk integrations (Gamma, HV-Select) •Managed VLAN, switching (Zyxel), routing (Draytek) •Performed SIP troubleshooting, NAT traversal fixes & audio issue resolution •Managed Microsoft 365 (Exchange, Teams, SharePoint, Licensing) •Handled user onboarding/offboarding & Azure AD sync •Managed AD, GPO policies & hybrid environments •Performed DNS & SSL certificate installations •Used Datto RMM for infrastructure monitoring & escalation handling •Implemented Veeam & N-Able backup solutions •Supported Hornet Security (Mail Filter), Censornet (Web Security), ESET (Endpoint) •Created SOPs & Knowledge Base documentation •Handled 10–15 concurrent tickets daily via DeskPro
2 Reviews
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blessingandmore
United Kingdom
I could not have asked for a better assistant, thank so you much
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writer1010
Australia
Excellent work. Have the ability to understand the requirements and get it working
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