AI-Powered Telecommunication Assistant
Budget: $250 – $750 USD
AI Cold Calling Agent Developer (Human-Like Voice & 3CX Integration)
Job Description
We are looking for an experienced AI developer or team to build an AI-powered cold calling agent capable of running multiple outbound calls simultaneously while maintaining a natural, human-like speaking style. The system must be customizable, scalable, and able to seamlessly transfer live calls to our 3CX phone system via an inbound number when required.
This project is focused on sales and lead generation, so conversational quality, personalization, and smooth call handling are critical.
Key Responsibilities
Develop an AI cold calling agent capable of calling multiple prospects at the same time
Implement personalized call prompts using dynamic variables (e.g., name, company, industry, location, etc.)
Ensure the AI voice sounds natural, conversational, and non-robotic
Enable real-time call transfers to a 3CX inbound number when a prospect wants to speak to a human
Handle voicemail detection, call disposition, and basic objection handling
Ensure high call stability, low latency, and clear audio quality
Provide documentation and basic setup support
Required Features
Concurrent outbound calling (parallel calls)
Human-like voice synthesis (natural pacing, tone variation, minimal robotic artifacts)
Customizable scripts and prompts per campaign
Intelligent call flow logic (greetings, objections, interest detection)
Seamless call transfer to 3CX PBX via SIP or API integration
Compliance-ready architecture (opt-out handling, call limits, etc.)
Scalable infrastructure for higher call volumes
Preferred Skills & Experience
Experience with AI voice agents, conversational AI, or telephony automation
Strong knowledge of SIP, VoIP, or PBX systems (especially 3CX)
Experience with speech-to-text and text-to-speech systems
Background in sales automation or call center solutions
Ability to fine-tune AI voices for realism and engagement
Deliverables
Fully functional AI cold calling agent
3CX call transfer integration tested and working
Admin interface or configuration method for prompts and campaigns
Documentation for setup and future maintenance
Nice to Have
Multi-language support
CRM integration (e.g., lead status updates)
Call analytics and performance reporting
Voice cloning or custom voice options
Project Type
One-time project with potential for long-term collaboration
Job Description
We are looking for an experienced AI developer or team to build an AI-powered cold calling agent capable of running multiple outbound calls simultaneously while maintaining a natural, human-like speaking style. The system must be customizable, scalable, and able to seamlessly transfer live calls to our 3CX phone system via an inbound number when required.
This project is focused on sales and lead generation, so conversational quality, personalization, and smooth call handling are critical.
Key Responsibilities
Develop an AI cold calling agent capable of calling multiple prospects at the same time
Implement personalized call prompts using dynamic variables (e.g., name, company, industry, location, etc.)
Ensure the AI voice sounds natural, conversational, and non-robotic
Enable real-time call transfers to a 3CX inbound number when a prospect wants to speak to a human
Handle voicemail detection, call disposition, and basic objection handling
Ensure high call stability, low latency, and clear audio quality
Provide documentation and basic setup support
Required Features
Concurrent outbound calling (parallel calls)
Human-like voice synthesis (natural pacing, tone variation, minimal robotic artifacts)
Customizable scripts and prompts per campaign
Intelligent call flow logic (greetings, objections, interest detection)
Seamless call transfer to 3CX PBX via SIP or API integration
Compliance-ready architecture (opt-out handling, call limits, etc.)
Scalable infrastructure for higher call volumes
Preferred Skills & Experience
Experience with AI voice agents, conversational AI, or telephony automation
Strong knowledge of SIP, VoIP, or PBX systems (especially 3CX)
Experience with speech-to-text and text-to-speech systems
Background in sales automation or call center solutions
Ability to fine-tune AI voices for realism and engagement
Deliverables
Fully functional AI cold calling agent
3CX call transfer integration tested and working
Admin interface or configuration method for prompts and campaigns
Documentation for setup and future maintenance
Nice to Have
Multi-language support
CRM integration (e.g., lead status updates)
Call analytics and performance reporting
Voice cloning or custom voice options
Project Type
One-time project with potential for long-term collaboration