Hire the Best Asterisk Consultants
in the Philippines

More than 3,000 reviews on G2
Rating is 4.5 out of 5.
4.5/5
of Upwork by G2 peer reviewers
John Rey W.

Panabo, Philippines

$45/hr
4.8
49 jobs

Profile Overview John Rey Wesin, a Top Rated Freelancer with over 13 years of BPO experience, has successfully delivered 30+ VoIP and telephony projects for global clients. Renowned for speed, precision, and reliability, I am a VoIP & Unified Communications Specialist dedicated to providing swift and reliable telecommunication solutions. My career, which began as a Frontline Agent and progressed to a Team Lead, has refined my skills in balancing customer experience with technical resolution, earning recognition as one of the top RingCentral Technical Representatives. What I Offer on Upwork: BPO / Call Center Career (2009–2022) Career Progression: Promoted from Frontline Agent to SME, then to Team Lead. Frontline Agent: Provided support for high-volume US accounts; consistently ranked in the Top 10% CSAT scores. SME / Technical Mentor: Became SME after 2 years for expertise in VoIP & network troubleshooting; handled escalations, provided floor support, and trained 50+ agents. Team Lead: Managed 15-20 agents; improved team resolution rate by 25% and reduced handling time by 15%. Recognized as a Top RingCentral Technical Representative. VoIP & Unified Communications Specialist | RingCentral, Vonage, eVoice, Zoom Phone (2023–2025) VoIP Expertise: Successfully executed projects involving RingCentral, Vonage, eVoice, and Zoom Phone, proficient in SMS compliance, auto attendants, call flows, voicemail, and team training. Proven Track Record: Known for achieving 5.0-star ratings due to my professionalism, reliability, and clear communication. I consistently deliver results from setup to full operational status within 24-48 hours. Educational Approach: My leadership philosophy includes not just configuration but empowering teams through knowledge transfer and training, ensuring long-term client success. Flexible Collaboration: Adaptable to US-friendly hours and skilled in engaging with both executive leadership and frontline staff. ✅ Highlights with Client Feedback RingCentral SMS & Auto Attendant Setup: Resolved SMS registration in one attempt after 30+ client attempts; achieved zero downtime. ⭐ “John handled intricate configurations with zero downtime.” VoIP Implementations & Management: Developed call flows, greetings, voicemail, port-ins, and led team training. ⭐ “Super professional and reliable.” ⭐ “Encouraged me to learn the setup during our calls—knowledge transfer plus results.” eVoice & Zoom Phone Projects: Completed account setups within 24 hours; effectively trained non-technical staff. ⭐ “Clear and concise in explaining technical setups.” Long-Term Retainers (2024–Present): Continuous support, monitoring, and troubleshooting for RingCentral & Vonage. ⭐ “Knowledgeable and dependable—my go-to for VoIP.” Why Clients Hire Me: Proven Results: Rapid deployment of SMS/auto attendant systems in 24–48 hours. Trusted Experience: Consistently rated 5.0 ⭐ for professionalism, reliability, and clarity. Leadership Mindset: Beyond configuration—I train and transfer knowledge to teams. Adaptability: US-friendly hours; effective with both executives and frontline staff. Entrust not just your VoIP but all your technical needs to a specialist who values results, reliability, and strategic solutions. Whether for one-time projects or ongoing support, I am committed to exceeding expectations with solutions tailored to your unique needs.

  • Call Center Management
  • Business with 100-999 Employees
  • Online Chat Support
  • Hardware Troubleshooting
  • Network Administration
  • VoIP Administration
  • BPO Call Center
  • VoIP
  • VoIP Software
  • Technical Support
  • Customer Support
  • Customer Service
  • System Administration
  • Network Equipment
  • RingCentral Glip
Harvey C.

Panabo, Philippines

$25/hr
5.0
4 jobs

Hello, my name is Harvey, and I specialize in implementing and supporting cloud-based Unified Communications as a Service (UCaaS) solutions for businesses of all sizes. With a degree in IT and a strong background in networking and telecommunications, I bring hands-on experience in deploying, configuring, and troubleshooting leading VoIP platforms including RingCentral, Zoom Phone, Vonage Business, GoTo Connect, and Verizon OneTalk. My expertise includes: Full-cycle UCaaS deployment & migration: Planning, provisioning, testing, go-live support, and transition from legacy PBX systems. Advanced system configuration: Setup of Auto Attendants, IVRs, Call Queues, Hunt Groups, user extensions, and custom call flows. Number porting & provisioning: Seamless porting of existing numbers, activation of new lines, and provisioning of devices (desk phones, softphones, mobile apps). User onboarding & training: Developing training materials, delivering live and recorded sessions, and creating user-friendly admin guides. VoIP troubleshooting & optimization: Diagnosing call quality issues. Network readiness & support: Collaborating with IT teams to ensure optimal performance for VoIP. 💼 Why Work With Me? I focus on delivering secure, reliable, and user-friendly UCaaS solutions that improve business communication, support hybrid work environments, and enhance customer experience. I stay current with platform updates and UCaaS trends to ensure that the systems I implement continue to meet evolving business needs. Whether you're migrating from a traditional PBX, scaling up your remote workforce, or looking to unify your communication tools across locations, I bring the expertise and attention to detail needed for a smooth, cost-effective deployment. 🔗 Let’s Connect I’m ready to help you design and implement a UCaaS solution that fits your organization’s workflow and growth goals. Let’s work together to simplify your communications and increase operational efficiency.

  • VoIP
  • Customer Service
  • Telephone System
  • Phone Communication
  • Microsoft Excel PowerPivot
  • Telecommunications
Jon Paul D.

Mabalacat City, Philippines

$20/hr
5.0
13 jobs

I help businesses build, optimize, and manage enterprise-grade contact center solutions using RingCentral and NICE CXone. With 8,000+ hours worked and $100K+ earned on Upwork, I specialize in designing reliable IVR systems, intelligent call flows, routing logic, and customer support automation for both small businesses and large enterprises. What I Can Help You With: ✔ RingCentral UCaaS & CCaaS setup and administration ✔ NICE CXone / InContact development and support ✔ IVR and call flow design ✔ Studio scripting and automation ✔ Omnichannel customer support solutions ✔ API integrations and workflow automation ✔ Technical troubleshooting and platform support ✔ Contact center optimization and reporting ✔ Post-implementation support, maintenance, and system optimization Why Clients Work With Me: ✔ Certified and experienced contact center engineer ✔ Strong communication and project ownership ✔ Fast problem-solving and reliable delivery ✔ Able to manage projects from planning to deployment ✔ Ongoing support available after implementation I focus on building scalable, user-friendly customer experience solutions that improve efficiency and customer satisfaction. Let’s discuss how I can help your business.

  • Business with 10-99 Employees
  • Business with 100-999 Employees
  • Desktop Support
  • NICE
  • VoIP Administration
  • VoIP Software
  • inContact
  • Call Center Management
  • Avaya
  • Implementation
  • Implementation Plan
  • RingCentral Glip
  • Dialpad
  • Back-End Development
  • Front-End Development
Erick Christopher Velonza P.

San Pedro, Philippines

$25/hr
5.0
13 jobs

With more than 17 years of I.T. experience in Operations and Management with outstanding proficiency on the following: * Desktop / Desk Side / Remote Support (Installation, Maintenance and Administration) for Multiple Microsoft Windows OS Platforms: - Windows 10 Pro on AD - Windows 8 and 8.1 - Windows 7 on AD - Windows XP on AD * Desktop / Desk Side / Remote Support for Multiple Microsoft Office Products: - Microsoft Office 2016 Pro - Microsoft Office 2013 Pro - Microsoft Office 2010 Pro - Microsoft Office 2007 Pro - Microsoft Office 365 # MS Word # MS Excel # MS Outlook # MS PowerPoint # MS One Note * Desktop / Desk Side / Remote Support for Various chat tools: - Cisco Jabber - Microsoft Lynch - Skype - Telegram - Slack - Microsoft Teams * Active Directory (Access Management, Employee On-Boarding and Exit) - AD Account creation + Adding Computers + Adding Users - AD User Account password reset, suspension, deletion - AD Access Control *Desktop Remote Tools: - Remote Desktop - Windows Remote Assistance - Dameware Remote - Team Viewer - Anydesk - ConnectWise Remote * VOIP Related Proficiencies: - Nortel/Avaya Command Line Interface (CLI) - Nortel/Avaya Contact Recording System - Nortel Contact Center Manager (CCM) - Nortel Viewer - Nortel CallPilot - Verizon OneTalk System - Twilio Flex *Wireless Networks - Gateways (Cisco Meraki, Radius, HP MSM, Aruba, etc.) - Network Switches (Cisco, Cisco Meraki, Netgear, TP-Link, D-Link, HP, etc) - Access Points (Cisco Meraki, RG-AP, Unifi, Zebra, Aruba etc.) * IT Management/Ticketing Systems - HP Openview - Emerson Service Manager - Zoho Desk - FreshDesk *Oracle Virtualbox *CITRIX L1 Support *Oracle CRM L1 Support *AS400 L1 Support *SAP L1 Support *Data Entry/Editing/Manipulation *Data/Information Security *Data/Internet/Web Research

  • Microsoft Office
  • Data Entry
  • Desktop Support
  • Network Monitoring
  • Microsoft Active Directory
  • Wireless Network Implementation
  • Technical Support
  • Phone Support
  • Wireless Security
  • Customer Support
  • VoIP Administration
  • Information Technology Operations
Alvin G.

Quezon City, Philippines

$14/hr
4.3
3 jobs

Work Experience Summary: MSP and Telco Network Engineer, VoIP Administrator, IT Infrastructure and Network Operations IT Support - Active directory (AD) user account creation and modification, onboarding and offboarding users - Setup and maintenance of laptops - Troubleshoot reported issues, handle service request tickets IT Infrastructure - Site Operations and Global Network Operations - Maintain internet uptime, site to site interconnectivity - Prepare for site access, disaster recovery measures and business continuity protocols - Manage assets, discuss procurement requirements with vendors, prepare costing spreadsheet - Service assurance, site maintenance and upgrades - New build requirements (call center, branch office, remote locations) Network Engineering - Telco new build, upgrades (copper, fiber, wireless) - Firewall, router, switch and access point configuration (Cisco / Fortinet) - Peering, Internet troubleshooting (packet inspection) - Project management, Scoping, Design, Service Delivery, Documentation - RND (new technology) VoIP Administration (FreePBX) - User creation, modification - Device configuration (SIP Client, handsets) - Queue assignment, Queue creation, call flow modification - Outbound and inbound route configuration - SIP trunk configuration and testing, SIP provider provisioning - Troubleshoot signaling and media issues, CDR review Training and Management - Qualify, Interview, assess and hire network engineers - Produce training documents and train new hires - Setup skill matrix and KPIs - One on one coaching, goal setting - Manage the workload and queue for service assurance engineers - Outage management, identification, information dissemination, resolution and analysis - Produce service and account reports

  • Network Design
  • Network Administration
  • Network Engineering
  • Customer Service
  • Phone Support
  • Firewall
  • Network Planning
  • Technical Support
  • Cisco Router
  • DSL Troubleshooting
  • IT Support
  • Telecommunications Engineering
  • VoIP Administration
  • Managed Services
  • Incident Management
Glenn R.

Malolos, Philippines

$60/hr
5.0
23 jobs

Over the past 20+ years i have mastered the art of Asterisk Ninjitsu. When choosing me you can expect that job will be done quickly and perfect. Highly trained with any Asterisk distributions. PBX and non Asterisk PBX (Issabel PBX, asteriskNOW, TrixBox, Elastix, PIAF, freePBX, MirtaPBX, and 3CX) A2Billing Predictive dialers (GoAutodial and ViCidial) Multitenant PBX Thirdlane and VitalPBX and Hardware based PBX (SwitchVOX, Yeastar myPBX and Grandstream UCM). Class 4 and 5 Softswitches ( Sippysoft, Porta One, VOS3000, Voipswitch, Mediacore, Nextone) I have a solid experience in designing, installation, configuration, deployment and troubleshooting VoIP hardware and software applications. I am currently doing full time consultancy service for companies both local and abroad and already have at least a total of 600+ PBX server deployments. I don't like to do something that doesn't need to be done, so i usually prefer to use available developed components and solutions. But when something is needed and not available, as an experienced shinobi, I execute the techniques of asterisk programming and scripting. My rate maybe higher than others but i can assure you that I can deliver any work satisfaction guaranteed!

  • Asterisk
  • FreePBX
  • VoIP Software
  • 3CX
  • Linux System Administration
  • Elastix
  • VoIP Administration
  • VoIP
  • CentOS
  • Session Initiation Protocol

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