@Den_Hub

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VoIP, SIP Trunk & WhatsApp Business API Expert

I help businesses build modern communication systems that connect voice calls, WhatsApp and AI.

VoIP & PBX: I set up and configure VoIP and cloud PBX systems (Asterisk, FreePBX, 3CX, VitalPBX), SIP trunks, IVR menus, call routing, call queues, extensions and call recording.

WhatsApp Business API: I integrate the WhatsApp Business API (Meta Cloud API, Twilio, 360dialog) for bulk and transactional messages, message templates, broadcasts and CRM/app integration. I also enable WhatsApp incoming and outgoing calls connected to your PBX or SIP trunk.

AI Automation: I build AI voice agents that answer and make calls like a human, and WhatsApp AI chatbots that handle customer support, sales and bookings 24/7.

Message me with your requirements and I will suggest the right solution for your business.

Portfolio

Built a complete web-based WhatsApp messaging platform (SaaS) where businesses can connect their WhatsApp devices and send bulk and transactional messages. Features include a dashboard, compose message with contact lists, reusable message templates, attachments and scheduled sending, message logs, WhatsApp device management, account recharge with per-message billing, and invoices.
Integrated the official WhatsApp Business API (Meta Cloud API) into a vehicle tracking company's system. Delivered live number monitoring, Meta-approved message templates with dynamic variables, automated bulk campaigns from Excel (1,138 messages sent with 0 failures), and a WhatsApp CRM shared inbox where the team handles customer chats and voice messages, alongside an auto-call module.
Delivered a complete VoIP business phone system for a client, including PBX setup, SIP trunk configuration, extensions, IVR menus, call routing and call queues. The system improved call handling, reduced telephony costs and was built to be reliable and scalable for the client's operations.

Built a complete web-based WhatsApp messaging platform (SaaS) where businesses can connect their WhatsApp devices and send bulk and transactional messages. Features include a dashboard, compose message with contact lists, reusable message templates, attachments and scheduled sending, message logs, WhatsApp device management, account recharge with per-message billing, and invoices.

Service relatif

1 / 6
Den_Hub

I will integrate WhatsApp Business API messaging with your website app or CRM

À partir de 24,40 $US

Integrated the official WhatsApp Business API (Meta Cloud API) into a vehicle tracking company's system. Delivered live number monitoring, Meta-approved message templates with dynamic variables, automated bulk campaigns from Excel (1,138 messages sent with 0 failures), and a WhatsApp CRM shared inbox where the team handles customer chats and voice messages, alongside an auto-call module.

Service relatif

1 / 5
Den_Hub

I will set up WhatsApp Business API calling with PBX for incoming and outgoing calls

À partir de 30,50 $US

Delivered a complete VoIP business phone system for a client, including PBX setup, SIP trunk configuration, extensions, IVR menus, call routing and call queues. The system improved call handling, reduced telephony costs and was built to be reliable and scalable for the client's operations.

Service relatif

1 / 4
Den_Hub

I will configure VoIP PBX system with SIP trunk, IVR and call routing

À partir de 30,50 $US

Mes services

Commande en cours 0

Vente au total 0

Vendeur depuis mars 2026

1 / 5
Den_Hub

I will set up WhatsApp Business API calling with PBX for incoming and outgoing calls

À partir de 30,50 $US
1 / 6
Den_Hub

I will integrate WhatsApp Business API messaging with your website app or CRM

À partir de 24,40 $US
1 / 4
Den_Hub

I will configure VoIP PBX system with SIP trunk, IVR and call routing

À partir de 30,50 $US
1 / 3
Den_Hub

I will build an AI voice agent and WhatsApp AI chatbot for your business

À partir de 30,50 $US
1 / 4
Den_Hub

I will set up and configure a SIP trunk for your VoIP PBX and call center

À partir de 30,50 $US

Compétences

Marketing WhatsApp
Chatbot
Intégration api
Webhooks
Linux
Réponses automatisées
Workflow automatisé
Agent IA
Gestion CRM
Chatbot IA

Expériences professionnelles

VoIP & Business Communication Systems Specialist The Access Group Ltd - Depuis juin 2024
Set up and manage VoIP and PBX systems, SIP trunks, IVR and call routing for business communication. Integrate WhatsApp Business API, automated messaging and AI chatbots with business systems and CRMs.
WhatsApp Marketing & Lead Generation Specialist Digital Nexa - févr. 2021 - mars 2024
Ran WhatsApp bulk messaging and broadcast campaigns, automated replies and lead generation funnels. Managed customer messaging workflows and CRM lead follow-ups for clients.

Diplômes et certifications

Master of computer science university of Hertfordshire ‐ sept. 2021