Asterisk PBX is an open source telephony framework used to create communication solutions for businesses, from voice and video calls to automated call routing. An Asterisk PBX Development professional is highly knowledgeable in the Asterisk platform and is able to deploy custom Asterisk Solutions according to a company’s needs. Services offered by an Asterisk Developer include managing, monitoring and maintaining the Asterisk system and any external services, building custom features specific to the business and improving security through authentication and encrypted communications.

Here's some projects that our expert Asterisk PBX Developer made real:

  • Securing IT networks by blocking unwarranted access attempts
  • Connecting a billing platform with a MultiTenant PBX
  • Setting up secure VoIP applications used to make voice calls
  • Researching and troubleshooting of software issues
  • Integrating third-party APIs into the system
  • Developing feature rich customer service solutions
  • Configuring text message autoresponder systems
  • Improving network configurations with Firewall services

Projects like these require experienced developers who understand the Asterisk PBX platform. If you’re looking for someone with that precise set of skills, post a project on Freelancer.com to hire an Asterisk PBX Developer today. Our team of highly qualified professionals will be able to help you design, develop and deploy custom communication solutions for your business.

Från 19,546 betyg, betygsätter kunder vår Asterisk PBX Developers 4.83 av 5 stjärnor.
Anlita Asterisk PBX Developers

Asterisk PBX is an open source telephony framework used to create communication solutions for businesses, from voice and video calls to automated call routing. An Asterisk PBX Development professional is highly knowledgeable in the Asterisk platform and is able to deploy custom Asterisk Solutions according to a company’s needs. Services offered by an Asterisk Developer include managing, monitoring and maintaining the Asterisk system and any external services, building custom features specific to the business and improving security through authentication and encrypted communications.

Here's some projects that our expert Asterisk PBX Developer made real:

  • Securing IT networks by blocking unwarranted access attempts
  • Connecting a billing platform with a MultiTenant PBX
  • Setting up secure VoIP applications used to make voice calls
  • Researching and troubleshooting of software issues
  • Integrating third-party APIs into the system
  • Developing feature rich customer service solutions
  • Configuring text message autoresponder systems
  • Improving network configurations with Firewall services

Projects like these require experienced developers who understand the Asterisk PBX platform. If you’re looking for someone with that precise set of skills, post a project on Freelancer.com to hire an Asterisk PBX Developer today. Our team of highly qualified professionals will be able to help you design, develop and deploy custom communication solutions for your business.

Från 19,546 betyg, betygsätter kunder vår Asterisk PBX Developers 4.83 av 5 stjärnor.
Anlita Asterisk PBX Developers

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    21 hittade uppdrag
    Guide Webull Funds to Coinbase
    6 dagar left
    Verifierad

    I need clear, step-by-step guidance on how to get the cash that is sitting in my Webull account safely over to my Coinbase account. I do not want anyone logging in for me or taking remote control; instead, I want you to walk me through each screen so I can complete every step myself without risking a mistake that could strand the money. Here is where I stand right now: • The funds are fully settled in Webull. • I have already verified my identity on Webull, so we can skip that. • I am comfortable using Coinbase once the money arrives, but I am unsure whether the transfer has to pass through a bank first or if a direct crypto purchase and outbound transfer is possible. What I expect from you: 1. A concise set of instructions I can follow in real time—either de...

    $567 Average bid
    $567 Snittbud
    7 bud

    I’m launching “Redy 24 jam,” a round-the-clock customer support line that will operate exclusively by phone. I need a freelancer to set up a reliable system where callers reach automated responses that handle common questions before, if necessary, forwarding to a live agent. Scope • Configure an IVR or similar solution that greets callers and delivers clear, automated answers. • Draft concise voice prompts in natural-sounding Indonesian and English. • Integrate the phone system with my existing carrier or a cloud platform (e.g., Twilio, Asterisk, or 3CX). • Provide a simple dashboard or method for me to update messages without coding. • Supply basic training documentation so my team can monitor call logs and tweak scripts. Key requiremen...

    $5 / hr Average bid
    $5 / hr Snittbud
    5 bud
    Press 1 IVR Telegram Bot
    5 dagar left
    Verifierad

    I want a single Telegram bot that can run a classic “press-1” outbound IVR campaign for me. The flow is straightforward: • I drop a plain text file into the bot chat containing one phone number per line. • As soon as the list is accepted the system rings every number at once (concurrency limit can be configurable in code). The calls will primarily go to the UK and USA, with occasional traffic to Ireland, so the underlying voice gateway must support those destinations. • When someone picks up, the first audio message I provide is played. If the callee presses 1, a second audio message plays, then the line is terminated. The bot should immediately send me a Telegram notification that includes the called number and a timestamp confirming they pressed 1. Anyone ...

    $167 Average bid
    $167 Snittbud
    85 bud
    NEC SV9500 Boot Failure Fix
    5 dagar left
    Verifierad

    My NEC SV9500 PBX refuses to come back online after a routine restart. The system hangs during boot; I do not see telephones registering and I’m not sure whether any error codes flashed on the console because I wasn’t watching closely. I need an engineer who knows the SV9500 architecture, maintenance commands, and PCPro (or equivalent) to: • Connect remotely (or guide me onsite) to diagnose why the call-processing software is not loading. • Identify and clear any database, card, or processor faults preventing a full start-up. • Bring the PBX to an operational state where extensions are live and calls flow normally. Acceptance will be when the system completes its boot cycle, endpoints register, and we can place internal and external calls without drops...

    $217 Average bid
    $217 Snittbud
    7 bud

    I have just incorporated a company in Ireland and now need a local phone presence. The goal is to activate an Irish virtual number (or an eSIM if that proves easier) that is registered to the business and, above all, can reliably receive incoming SMS and receive Voice calls (outgoing not that important) If you have direct experience dealing with Irish carriers or virtual-number providers and can complete this quickly, I’m ready to start right away.

    $36 Average bid
    $36 Snittbud
    6 bud

    Pay is $4/hour. Only respond if you agree to this pay rate. I run a small U.S.-based operation that needs hands-on help with day-to-day customer interactions. From 12 p.m. to 3 p.m. Eastern (that’s 12 a.m.–3 a.m. Manila time), I receive a steady flow of inbound calls and emails, plus occasional outbound follow-ups, and I want every contact handled promptly and professionally. During that three-hour window you will: • answer incoming calls and place quick outbound callbacks when required, • reply to customer emails in a friendly, concise tone, and • keep our live-chat widget active so no visitor waits more than a minute. A rock-solid, high-speed internet connection is essential—dropped calls or slow chat responses won’t work for us. I currentl...

    $17 / hr Average bid
    $17 / hr Snittbud
    30 bud
    IVR Software Development Needed
    3 dagar left
    Verifierad

    I’m setting up a dedicated tele-calling environment and need an IVR system built (or customised from an open-source/cloud platform) that focuses on efficient call routing for both inbound and outbound traffic. Core requirements • Inbound calls flow through multi-level menus and reach the correct queue or agent without delay. • Every inbound conversation is automatically recorded and stored with searchable time/date tags. • Outbound campaigns must dial through the same platform so agents work from a single interface, with those calls recorded in the same repository. Scope of work You’ll deploy, configure, and hand over a production-ready IVR. I expect guidance on menu design, prompt management, real-time monitoring and a clean dashboard where my team...

    $16 Average bid
    $16 Snittbud
    11 bud

    I want every new lead in our GoHighLevel (GHL) account to receive a phone call within 60 seconds of submitting a form, hear an AI-driven qualification script, and move through the pipeline with zero human intervention. Here is the flow I need you to build and give back to me as an n8n export so we fully own the logic: • n8n watches for a GHL form submission, then triggers an outbound voice call in under a minute. • The AI voice agent—built with both Vapi and Retell so I can toggle or compare them—runs a short script that confirms the prospect’s budget first (timeline and decision authority can be added later, but budget is mandatory now). • If the call is missed, the workflow retries based on sensible logic and logs every attempt. • Depending o...

    $2188 Average bid
    $2188 Snittbud
    82 bud

    I need a friendly, clear-spoken telecaller to handle English-language customer support over the phone. The calls will be routine, mostly general inquiries about our services and basic account questions—no technical troubleshooting or billing disputes. Here’s what I expect from you day-to-day: • Promptly answer inbound calls during agreed shifts and place the occasional follow-up call when a customer requests more information. • Listen actively, resolve the caller’s question on the spot when possible, or record concise notes in our CRM for any issue you must escalate. • Keep average handle time reasonable without rushing customers; empathy and clarity matter more than speed. • Maintain accurate call logs and update ticket status so the rest o...

    $253 Average bid
    $253 Snittbud
    29 bud

    We are looking for a hands-on Telecom Engineer to manage a live SMS and SIP platform. Responsibilities include: Managing SMS gateway (Ozeki → Kannel migration) Setting up and troubleshooting SMPP connections Creating SMPP users and integrations Managing Asterisk SIP system (users, routing, configs) Troubleshooting delivery and connectivity issues This is a remote contract role (monthly retainer) with flexible hours, but requires availability for incident response. Requirements: Strong experience with SMPP Experience with SMS gateways (Kannel, Ozeki, or similar) Experience with Asterisk Strong Linux + networking knowledge IMPORTANT – Application Requirements To be considered, please include: Your experience with SMPP (real examples) SMS gateway(s) you have worked with Your...

    $616 Average bid
    $616 Snittbud
    17 bud

    I run an established business that relies on MyOperator to handle a high volume of incoming calls, and I need the IVR flow tightened up right away. Your main objective is to design or refine a multi-level IVR—think clear “Press 1 / Press 2” branching—then hunt down and resolve any routing or technical hiccups that stop calls from reaching the right telecaller. Here’s what I expect once you’re done: • A clean, multi-level IVR call flow published in MyOperator • Accurate call routing, forwarding, and department mapping so every call lands where it should • Missed-call and call-tracking features configured and tested • Smooth load distribution during peak traffic, with zero dead ends or loops I’m on a tight timeline, so the...

    $3 / hr Average bid
    $3 / hr Snittbud
    9 bud
    Retell AI Outbound Agent Setup
    2 dagar left
    Verifierad

    I already have a polished outbound script and an active Retell AI account—the only piece missing is your hands-on expertise. In a single 1–2 hour Zoom session you’ll share your screen and guide me through every click until a fully-functioning outbound calling agent is live and ready to dial. Scope of the call • Build the agent inside Retell AI from scratch, linking each branch of my script so the conversation flows naturally. • Configure appointment-setting logic specifically for sales consultations, with automatic collection of name, phone, and email. • Fine-tune voice settings (I’m flexible on gender) and any AI parameters needed for a human-sounding delivery. • Run at least one real test call to confirm dialogue flow, calendar integra...

    $10 - $20
    Försegla Sekretessavtal
    $10 - $20
    8 bud
    Enterprise Dev Lead Cold Caller
    2 dagar left
    Verifierad

    I need a seasoned cold-caller who can confidently open doors with enterprise-level decision makers and position our full-stack capabilities—both web and mobile development—as the solution they have been looking for. The sole metric for success on this project is qualified lead generation; no sales closing is required at this stage, but every conversation should naturally pave the way for our internal sales engineers to step in. You will be working from a curated prospect list of mid-market and Fortune-level companies. Your job is to: • craft and deliver persuasive outbound pitches that emphasize how our integrated web and mobile teams shorten time-to-market and reduce total cost of ownership • uncover each prospect’s current digital priorities, project timel...

    $31 / hr Average bid
    $31 / hr Snittbud
    10 bud

    I need my Vicidial server configured for a fully agent-less “Press 1” outbound campaign that can run unattended. The list you will be dialing is a mixed audience of customers and cold prospects, so the system must handle large, varied datasets smoothly. Here is the flow I’m after: • The dialer places the call and immediately plays a promotional offer recording (I’ll supply the final WAV/MP3). • When the recipient presses 1, the call should be transferred in real time to a single phone number I will provide. • No agent will ever log in; the campaign has to launch, recycle and terminate automatically. You’ll take care of all campaign, list, and call-routing settings inside Vicidial, confirm audio formats, build the press-1 logic, and test li...

    $57 Average bid
    $57 Snittbud
    7 bud

    AI Voice Prompt Engineer (Real-Time Ordering System – NOT Chatbots) Body: We’re building a real-time AI phone agent for restaurants that takes full orders (like a human cashier). This is NOT a chatbot project. We need someone who understands: • real-time voice interaction (low latency) • turn-taking (no awkward pauses) • structured ordering flows (pizza, drinks, modifiers, upsells) • keeping conversations FAST, NATURAL, and ON TRACK What’s broken right now: • AI pauses too long • conversation loops / goes off track • responses feel robotic • ordering flow isn’t tight Your job: • design prompt structure + conversation flow • force clean step-by-step ordering (rails) • eliminate delays + overthinking responses &bu...

    $20 / hr Average bid
    $20 / hr Snittbud
    101 bud
    Dialpad Call Routing Setup
    1 dag left
    Verifierad

    Our team—fewer than ten users in total—needs an efficient call-routing flow built inside Dialpad. I already have the seats created; what’s missing is the logic that decides who rings first, how overflow is handled, and how after-hours calls reach voicemail or an on-call mobile. Here’s the scope as I see it: • Map and implement the call-routing rules in the Dialpad admin console, using ring groups, IVR menus, or simultaneous/sequential ringing where appropriate. • Assign multiple roles so that a couple of us can act as admins while the rest remain standard users, without disturbing existing numbers. • Test each scenario—business hours, after hours, voicemail fallback—and document the settings so I can maintain them later. If you&rsquo...

    $477 Average bid
    $477 Snittbud
    40 bud

    We are looking for an experienced 3CX technician to set up and configure a small business phone system. The system is already partially configured but requires a clean setup and proper routing. Current Setup Platform: 3CX (Cloud, v20) SIP Provider: Intertelecom Existing PBX (Intertelecom) may still be active Mobile usage via 3CX app Requirements 1. SIP Trunk Configuration Proper setup of SIP trunk with Intertelecom Resolve registration conflicts (single registration issue) Ensure stable inbound & outbound calling 2. Users / Extensions Create 4 extensions/users Configure mobile apps (3CX client) Set up voicemail for each user (or central voicemail) 3. Call Routing Outbound rules (basic + prefix handling if needed) Inbound routing: Ring Group (all users) Optional DID-based routing (if ...

    $219 Average bid
    $219 Snittbud
    18 bud

    I need a fully-functional auto dialer built for my company and I want it up and running fast. The core requirement is seamless VoIP service integration so my agents can place and receive calls directly through the platform without juggling extra software. Here’s what I expect: • A stable dialer application that can import contact lists, initiate outbound calls, and display real-time call status. • Direct integration with the VoIP provider I’ll share once we start, including proper authentication and fail-over handling. • A clean, web-based interface where agents can log in, see their queue, and record basic call outcomes. • All source code plus clear deployment and user documentation so my in-house tech team can maintain it afterward. If you&rs...

    $496 Average bid
    $496 Snittbud
    65 bud

    I have a Telegram bot written in Python and an Asterisk server already exposing the ARI interface. What I now need is a clean bridge between the two so that a simple text command sent to the bot can spin up an outbound call, play an IVR menu, record the conversation, and finally report the result back to the same chat. Here is the flow I have in mind: • A user types a command such as /call <number> in Telegram. • Your code uses ARI (ari-py or any other reliable ARI client) to originate the call. • On answer, the callee is taken through a short IVR tree that I will supply as audio prompts; the bot just needs to play them and collect DTMF. • The entire interaction is recorded and the recording URL or file is posted back to the chat once the call ends. ...

    $94 Average bid
    $94 Snittbud
    16 bud

    Multilingual Voice Recording Project – Code-Switching Conversations Project Name: BV Project Type: Remote | Ongoing (Limited Slots per Locale) Project Overview Project BV is a multilingual speech data collection initiative designed to enhance Automatic Speech Recognition (ASR) systems for high-value multilingual call center scenarios, including financial services, healthcare, and telecommunications. The project focuses on collecting natural code-switching conversational audio, where speakers alternate between two languages within a single conversational turn. Scripts will be provided; however, natural delivery, fluency, and context-appropriate language switching are essential. Language Requirements Primary Language (Native level – one required): Finnish (fi-FI) ...

    $155 Average bid
    $155 Snittbud
    5 bud

    Multilingual Voice Recording Project – Code-Switching Conversations Project Name: BV Project Type: Remote | Ongoing (Limited Slots per Locale) Project Overview Project BV is a multilingual speech data collection initiative designed to enhance Automatic Speech Recognition (ASR) systems for high-value multilingual call center scenarios, including financial services, healthcare, and telecommunications. The project focuses on collecting natural code-switching conversational audio, where speakers alternate between two languages within a single conversational turn. Scripts will be provided; however, natural delivery, fluency, and context-appropriate language switching are essential. Language Requirements Primary Language (Native level – one required): Swedish (sv-SE) ...

    $94 Average bid
    $94 Snittbud
    5 bud

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