Hire the Best CallTools Call Center Software Specialists

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Muhammad Owais A.

Lahore, Pakistan

$15/hr
5.0
7 jobs

Hello there, I am VICIDIAL Engineer working in this filed from last 3 years. I have managed more than 500+ servers and diallers. I can arrange a new server, can provide unlimited support to any type of vici dialller. I can assist in any feature you think about the dialler. If you are looking for a really experienced person, congratulations, you are on the right profile. Thanks!

  • Call Center Software
  • BPO Call Center
  • Call Center Management
  • System Administration
  • VoIP
  • Linux System Administration
  • Server
  • Twilio API
  • Asterisk
  • VoIP Administration
  • VICIDIAL
  • FreePBX
  • Campaign Management
  • Nextiva Business VoIP
  • Evolve IP Call Center
Melinda S.

Mandaluyong City, Philippines

$10/hr
5.0
6 jobs

1. Sourced 40-50 quality candidates per day using LinkedIn and other sourcing platforms 2. Responsible for researching new prospective clients thru online research with the use of search engine optimization 3. Responsible for validating the information obtained online about various companies thru Survey calls 4. Performed cold calling to prospective clients in order to establish a business relationship and set up an appointment between our company's founder and the client's key decision-maker. 5. Provided training to newly transferred research associates on efficient research and information validation 6. Mentored new Business Development Associates

  • Customer Service
  • Telemarketing
  • Lead Generation
  • Cold Calling
  • Online Research
  • Sourcing
  • Ticketing System
  • Email Support
  • Debt Collection
  • Business Development
  • Financial Management
  • Sales Development
  • Email Marketing
Areej F.

Karachi, Pakistan

$8/hr
5.0
1 jobs

Hey, my name is Areej, and thanks for visiting my profile. I bring over two years of experience in customer service, sales support, project coordination, and virtual assistance. I've worked with both local and international clients, helping businesses improve customer satisfaction, streamline operations, and build strong client relationships. Here's how I can help you: • Provide professional customer support through phone, chat, and email • Handle lead follow-ups, appointment setting, and client communication • Assist with project coordination and administrative tasks • Manage CRM systems, data entry, and documentation • Maintain organized workflows using Microsoft Office, Google Workspace, and productivity tools • Deliver timely communication and a positive customer experience If you're looking for someone dependable, detail-oriented, and easy to work with, I'd love to help support your business goals. Let's connect!

  • Digital Art
  • Customer Service
  • Phone Communication
  • Technical Project Management
  • Technical Support
  • Online Chat Support
  • Virtual Assistance
  • Tech & IT
  • Email Support
  • Phone Support
  • Medical Billing
  • Project Management
  • Concept Artistry
  • Illustration
  • Social Media Content Creation
  • Concept Design
Sony Y.

Thane, India

$20/hr
4.9
206 jobs

✅ Top Rated Plus AI Agent Development ✅ 100% Job Success Score ✅ Fluent English Verified AI Voice Agents | Twilio Expert | SMS, Calling & CRM Automation I help businesses automate customer communication using AI Voice Agents, SMS Automation, Calling Systems, CRM Integrations, and Communication Workflows. With 130+ completed projects, Top Rated Plus status, and a 100% Job Success Score, I specialize in building production-ready systems that answer calls, qualify leads, book appointments, automate follow-ups, improve customer response times, and reduce manual work. My expertise combines modern AI technologies with real-world communication infrastructure, helping businesses move from manual processes to scalable automation. 𝗖𝗼𝗿𝗲 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲 📞 Voice AI & Communication Automation AI Voice Agents, AI Receptionists, AI Calling Systems, Appointment Booking Agents, Lead Qualification Systems, Customer Support Automation, Contact Centers, IVR Systems, SIP, SMS Automation, Call Routing 🤖 AI Solutions & Conversational Systems OpenAI, Claude, Gemini, Vapi, Retell AI, Conversational AI, Knowledge Assistants, Internal AI Tools, Business Automation ⚙️ CRM & Workflow Automation Lead Management, Pipeline Automation, Customer Communication Workflows, CRM Integrations, Automated Follow-Up Systems 𝗦𝗲𝗿𝘃𝗶𝗰𝗲𝘀 📞 AI Voice Agents & Calling Systems • AI Receptionists • AI SDRs • Appointment Booking Agents • Customer Support Agents • Outbound Calling Systems • Inbound Voice Automation • Voice AI Integrations 📡 Twilio & Communication Solutions • Twilio Development • SMS Platforms • IVR Systems • Call Center Solutions • Twilio Flex • Voice & Messaging Automation • Toll-Free & A2P 10DLC Solutions ⚙️ CRM & Business Automation • HubSpot Integrations • GoHighLevel Automation • Salesforce Integrations • Custom CRM Development • Lead Qualification Workflows • Business Process Automation 🧠 OpenAI, Claude & AI Integrations • ChatGPT Solutions • Claude Integrations • AI Assistants • Knowledge Systems • Internal AI Tools • RAG Applications 📱 SaaS, Web & Mobile Applications • Customer Portals • Admin Dashboards • AI-Powered Platforms • Web Applications • Mobile Applications 🖥️ Backend Development Python, Node.js, FastAPI, Express.js, REST APIs, Webhooks, Microservices 💻 Frontend Development React, Next.js, Vue.js, Angular 📱 Mobile Development React Native, Flutter, Swift, Kotlin ☁️ Cloud & Infrastructure AWS, Azure, GCP, Docker, CI/CD, Serverless Architectures 📊 Databases & AI Infrastructure PostgreSQL, MongoDB, Firebase, Supabase, Vector Databases 𝗜𝗻𝗱𝘂𝘀𝘁𝗿𝗶𝗲𝘀 • Real Estate & Property Management • Healthcare & Wellness • LegalTech • Financial Services • Logistics & Transportation • Professional Services • Call Centers • Home Services • SaaS & Technology Companies If you're looking to automate calls, SMS, customer communication, lead qualification, appointment booking, or customer support using AI and Twilio-based communication systems, let's discuss your project. Keywords: AI Voice Agent, AI Receptionist, AI Calling Agent, Twilio Developer, SMS Automation, IVR Development, CRM Automation, Voice AI, OpenAI, Claude, Vapi, Retell AI, Contact Center Solutions, Call Center Automation, Lead Qualification, Appointment Booking, Customer Communication Automation, Workflow Automation, Conversational AI, SaaS Development, Python, Node.js, React

  • Call Center Software
  • Twilio
  • Twilio API
  • SMS
  • SMS Gateway
  • WhatsApp
  • SMS Module Optimization
  • API Development
  • VoIP
  • VoIP Software
  • Telephone System
  • IVR Software
  • Automated Call Distribution
  • Chat & Messaging Software
  • Chatbot Development
  • AI Chatbot
  • AI Bot
  • CRM Automation
  • Automation
  • Compliance
Yahya Y.

Maadi Cornish, Egypt

$8/hr
4.4
36 jobs

🏢 Founder of Nexus Callers Services | Structured Call Center & BPO Operations I lead and operate a fully managed, office-based call center supporting companies that require scalable outbound sales, inbound customer support, and structured lead generation. Unlike freelance VAs, our teams operate inside a supervised environment with: ✔ Quality Assurance monitoring ✔ Real-Time Management (RTM) ✔ Dialer & CRM stability control ✔ KPI-based performance reporting ✔ Dedicated campaign supervision We specialize in building structured outbound systems and retention-focused inbound operations. 🔹 Core Services Outbound Sales & Lead Generation Cold calling, appointment setting, prospect qualification, follow-ups, CRM updates. Inbound Customer Support Call answering, service-based support, retention-focused communication. Acquisition & Sales Support Roles Acquisition managers, closers, and follow-up specialists integrated directly into your CRM. Live Chat & Email Support SLA-based inbox handling and structured customer engagement. 🔹 Industries We Support Real Estate Healthcare & Medical Solar & Energy E-commerce B2B Service Businesses 🔹 Why Work With Us • Office-based operation (not remote freelancers) • Multilingual teams (English, Arabic, French, German, Spanish) • Transparent KPI reporting • Scalable team deployment • Long-term operational support If you are looking for a structured BPO partner — not temporary staffing — I’d be happy to discuss your campaign requirements.

  • Customer Service
  • Cold Calling
  • 3D Design
  • 3D Printer
  • Lead Management
  • Real Estate Acquisition
  • Real Estate Closing
Pankaj K.

Delhi, India

$45/hr
4.9
116 jobs

Principal Full-Stack Platform Architect | Telecom, AI oice, SaaS & Cloud | 17 Yrs Upwork I help startups, telecom providers, BPOs, enterprises, and SaaS companies design, build, deploy, and scale production-ready software platforms. With 20+ years of engineering experience and 90+ successful Upwork projects, I take complete ownership of the engineering lifecycle from solution architecture and UI/UX implementation to backend services, APIs, AI integration, telecom infrastructure, DevOps, cloud deployment, documentation, and long-term production support. Unlike specialists who only focus on one layer of the stack, I build complete business platforms that are scalable, maintainable, secure, and production ready. Whether you need a communication platform, AI Voice Agent, SaaS application, customer portal, enterprise dashboard, workflow automation, or cloud-native backend, I can architect and deliver the complete solution. What I Build Enterprise SaaS Platforms I design and develop complete SaaS products including: Multi-tenant SaaS applications Customer portals Admin dashboards CRM & ERP platforms Contact Center (CCaaS) Hosted PBX & UCaaS Workflow automation platforms AI-powered business applications Internal enterprise systems From MVP to enterprise-scale production deployments. Full-Stack Software Development I provide complete product engineering across frontend, backend, APIs, databases, cloud infrastructure, and production deployment. Frontend: React Next.js Vue.js TypeScript Tailwind CSS Material UI Responsive Web Applications Progressive Web Apps (PWA) Mobile-first UI Backend: Node.js NestJS Python FastAPI Django Laravel Go PHP Database PostgreSQL MongoDB MySQL Redis API Development REST APIs GraphQL WebSockets OpenAPI / Swagger OAuth JWT MCP Servers Webhooks Third-party integrations AI Engineering & Intelligent Automation I help businesses integrate AI into production systems—not just prototypes. I build: AI Voice Agents AI Receptionists AI Customer Support AI IVR Systems RAG Applications Agentic AI Systems Knowledge Assistants Internal AI Platforms AI Workflow Automation AI Document Processing AI Search Platforms AI Technologies OpenAI Claude Gemini Deepgram ElevenLabs LiveKit LangChain LangGraph MCP Prompt Engineering Model Optimization Vector Databases Realtime Voice APIs Telecom & Communication Platforms Telecom remains one of my strongest engineering specialties. I build complete communication platforms not just PBX installations. Technologies FreeSWITCH Asterisk FusionPBX FreePBX VICIdial SIP RTP WebRTC SIP.js ESL AGI AMI ARI Services Multi-tenant PBX Hosted PBX Contact Center (CCaaS) UCaaS AI Voice Platforms Softphones Predictive Dialers Progressive Dialers Call Recording Call Analytics IVR Development Queue Management DID Provisioning Carrier Integration SBC Integration Telecom Billing White-label Telecom Platforms Cloud Infrastructure & DevOps I deploy highly available production environments. Infrastructure Linux Docker Kubernetes Terraform Nginx HAProxy AWS Azure Google Cloud DevOps CI/CD Pipelines GitHub Actions GitLab CI Containerization Monitoring Logging Auto Scaling Production Deployment Release Management Monitoring Prometheus Grafana Loki Alerting Health Checks Performance Optimization Architecture & Technical Leadership I frequently work as a technical lead and solution architect. Services include: Solution Architecture Software Architecture System Design Database Design API Architecture Microservices Event-driven Architecture Multi-tenant Architecture High Availability Disaster Recovery Security Architecture Performance Optimization Documentation & Project Delivery Beyond engineering, I help clients organize and successfully deliver projects. I prepare: Software Architecture Documents Technical Design Documents API Documentation Swagger / OpenAPI Specifications Statements of Work (SOW) Functional Specifications BRD PRD Deployment Guides Infrastructure Documentation QA Plans Technical Proposals Project Estimates Delivery Roadmaps I also work comfortably with: Jira ClickUp Trello Azure DevOps GitHub Projects Linear Confluence Notion Recent Projects Enterprise Multi-tenant CCaaS Platform AI Voice Agent using OpenAI Realtime API Telecom ERP Platform Hosted PBX Platform FusionPBX Custom Development FreeSWITCH Call Routing Engine Enterprise AI Knowledge Platform AI Workflow Automation CRM Integrations Telecom Billing Platform WebRTC Calling Platform Call Center Analytics Dashboard Healthcare Communication Platform Law Firm AI Automation Customer Support Automation Platform Why Clients Hire Me ✔ 20+ years of software engineering experience ✔ 90+ successful Upwork projects ✔ End-to-end ownership from architecture to production ✔ Full-stack development across frontend, backend, APIs, databases, AI, and cloud infrastructure ✔ Deep expertise in FreeSWITCH, Asterisk, FusionPBX, SIP, WebRTC, CCaaS, and UCaaS ✔ Production AI engineering using OpenAI, Claude, Gemini, LangChain, Lang

  • Call Center Software
  • VoIP Software
  • VoIP Administration
  • Solution Architecture
  • VoIP PBX
  • FreeSWITCH
  • CRM Automation
  • CRM Development
  • Zoho CRM
  • Asterisk
  • VICIDIAL
  • PBX
  • FreePBX
  • Full-Stack Development
  • AI Agent Development
  • AI App Development
  • Large Language Model
  • OpenAI API
  • Docker
  • NestJS

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Don't just take our word for it

What does a CallTools Call Center software specialist do?

A CallTools Call Center software specialist builds and manages the technical connections between the CallTools platform and external business systems. This role focuses on configuring integrations that automate data exchange during live calls and after interactions end. The specialist uses webhooks, REST APIs, and custom connectors to trigger actions in CRMs or marketing tools based on specific call events. These configurations ensure that agent workflows remain smooth and that disposition data stays accurate across all connected applications.

  • Configure CallTools integrations to exchange data with customer relationship management systems, marketing automation platforms, and reporting databases. This work involves setting up secure API connections that push call details and pull customer records in real time. The specialist maps data fields to ensure information flows correctly between CallTools and third-party services without manual entry errors.
  • Build and manage agent-facing connectors that execute tasks directly from the call interface. These connectors allow agents to perform one-click actions such as sending HTTP requests, updating CRM records, or transferring calls to specific queues. The specialist tests these buttons to confirm they trigger the correct backend processes and return immediate feedback to the user.
  • Set up webhooks and automation rules to handle event-driven communication between systems. This includes defining triggers for call starts, endings, or specific dispositions that initiate downstream workflows. The specialist monitors these automations to verify that data syncs consistently and troubleshoots any failures in the event handling logic.

How to hire a CallTools Call Center software specialist on Upwork

Step 1: Post a job

Define your integration needs clearly to attract specialists who understand CallTools automation. Use the Job Post Generator powered by Uma™, Upwork's Mindful AI to draft a precise description in seconds. Describe your requirements in a few sentences, and Uma creates a tailored post for this role. You can write a new post, update a saved draft, or reuse an existing one.

  • Specify which CRMs or marketing tools must sync with CallTools via REST API or webhooks.
  • List required connector actions, such as HTTP requests or CRM updates triggered during calls.
  • Detail any existing automation logic or campaign workflows that need troubleshooting or expansion.

Step 2: Evaluate candidates

Look for portfolios demonstrating successful CallTools integrations and API configurations. Uma runs instant video interviews and builds shortlists with side-by-side comparisons to speed up your review. Focus on candidates who show concrete examples of data synchronization and webhook handling.

  • Verify experience building agent-facing connectors that execute tasks like database updates or transfers.
  • Check for documented cases where they resolved data sync issues between CallTools and external platforms.
  • Confirm familiarity with CallTools REST API endpoints and authentication methods for custom workflows.

Step 3: Interview your top choices

Discuss specific technical challenges related to call disposition tracking and event triggers. Schedule and conduct interviews within Upwork Messages, which generates an immediate transcript and summary after each session. Ask about their approach to maintaining data consistency across connected systems.

  • Ask how they structure webhook event handling for real-time communication between apps.
  • Request examples of automation logic they built based on call events or campaign activity.
  • Inquire about their process for documenting configured workflows and integration touchpoints.

Step 4: Agree on scope and begin work

Set clear milestones for configuring integrations and testing connector actions. Use Upwork Messages and the contract workroom for all communication and project management tasks. Upwork verifies identity, offers hourly payment protection, tracks time, and holds project funds for security.

  • Define deliverables such as working webhook setups and API-based integration scripts.
  • Establish testing criteria for call disposition updates and CRM synchronization accuracy.
  • Require hand-off notes that describe all configured workflows and integration dependencies.

Upwork is not affiliated with and does not sponsor or endorse any of the tools or services discussed in this article. These tools and services are provided only as potential options, and each reader and company should take the time needed to adequately analyze and determine the tools or services that would best fit their specific needs and situation.

The rates and information provided in this article are based on current data and industry sources available at the time of publication. Freelance rates can vary depending on factors such as experience, location, project scope, and market conditions. Readers are encouraged to conduct their own research to confirm current rates and trends, as this information may change over time.

How much does hiring a CallTools Call Center software specialist cost?

$500-$1,500 per project is a typical range for focused CallTools Call Center software specialist work. Final pricing depends on scope, technical complexity, required integrations, source-material quality, revision needs, and the freelancer's experience level.

Connector configuration

$500-$1,200/project

Entry-level to mid-level
  • Configured one-click buttons for CRM updates and HTTP requests
  • Defined fields for consistent data exchange between systems
  • Tested connector triggers to confirm accurate task execution

Webhook automation setup

$1,200-$2,500/project

Mid-level
  • Built automation rules triggered by call events or campaign activity
  • Connected webhooks to external apps for real-time communication
  • Documented trigger responses and resolved sync errors

REST API integration

$2,500-$4,500/project

Mid-level to senior-level
  • Authenticated and linked CallTools endpoints to custom workflows
  • Programmed bidirectional data flows for dispositions and lead updates
  • Implemented retry logic and logging for failed API requests

CRM and marketing tool sync

$4,500-$7,000/project

Senior-level
  • Integrated CallTools with specific CRMs and marketing platforms
  • Automated post-call tasks such as record creation and status changes
  • Validated data consistency across all connected external systems

Custom enterprise implementation

$7,000-$12,000/project

Expert-level
  • Mapped complex data flows for multi-system contact center environments
  • Built and launched end-to-end integrations with custom authentication
  • Compiled detailed guides for maintenance and future scaling

Frequently asked questions

Is hiring a CallTools Call Center software specialist worth it?

For most businesses, yes: hiring a CallTools Call Center software specialist is worthwhile. This expert configures integrations that automate data exchange between your contact center platform and external systems like CRMs. You avoid manual data entry errors and ensure call dispositions sync correctly across your tech stack.

How do I evaluate CallTools Call Center software specialist candidates?

Review their experience building connector actions that trigger HTTP requests or CRM updates from the agent interface. Ask for examples of webhook setups they created to handle real-time call events or campaign triggers.

What technical skills does a CallTools specialist need?

Candidates must understand REST API endpoints and authentication methods to integrate CallTools with other platforms. They should also know how to configure webhooks and automations for trigger-based workflows.

Can a CallTools specialist connect my CRM to the call center?

Yes, they build integrations that push call data to your CRM and pull lead information into the agent dashboard. This setup keeps customer records current without manual input from your team.