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.

Na podstawie 18,650 opinii klienci oceniają nas na Asterisk PBX Developers 4.83 na 5 gwiazdek.
Zatrudnij użytkownika 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.

Na podstawie 18,650 opinii klienci oceniają nas na Asterisk PBX Developers 4.83 na 5 gwiazdek.
Zatrudnij użytkownika Asterisk PBX Developers

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    11 ofert prac znalezionych
    Complete PBX.im Setup Needed
    6 dni left
    Zweryfikowany

    I need a seasoned VoIP specialist to take my deployment from zero to fully operational. I will not be supplying configuration files, trunks, numbers, or even the initial account—everything has to be sourced, built, and verified by you. The finished system must speak SIP end-to-end so that soft-phones, desk phones, or mobile clients can register and place calls immediately after hand-over. I expect you to: • Create or configure the account, secure it, and document all access credentials. • Provision at least one SIP trunk or equivalent solution so the platform can dial in and out of the public network. • Set up a clean dial plan with working inbound and outbound routes and test calls in both directions. • Provide two sample SIP extensions (one desktop, on...

    $111 Average bid
    $111 Średnia Oferta:
    27 składanie ofert
    Urgent 3CX USA SIP Trunk
    6 dni left
    Zweryfikowany

    I need a working U.S.–based SIP trunk that plugs straight into my existing 3CX PBX, and I need it online immediately. This is for a live business system, so downtime is not an option. Here’s what I am expecting from you: • Provide a fully-provisioned SIP route (inbound and outbound) that registers successfully with 3CX and passes test calls. • Supply clear configuration details—host, authentication, codecs supported, 911 compliance, and any DID options—so I can import them quickly. • Hand over written step-by-step instructions or a short screen-share session for final cut-over. Please respond only if you can deliver right away. Include a detailed proposal outlining the solution you will supply, how you will integrate with 3CX, and your est...

    $101 Average bid
    $101 Średnia Oferta:
    48 składanie ofert
    Zoom Phone System Configuration
    6 dni left
    Zweryfikowany

    I need my Zoom Phone account turned into a polished business phone system. The priority is to build a virtual receptionist that can immediately answer calls, play a clear custom greeting I will supply, offer recorded information, and then transfer callers to the right extension or voicemail without human help. Call-forwarding is required as well, but I’m still deciding whether it should be scheduled or always-on, so I’ll rely on your advice and best-practice examples before we lock it in. You will handle every step inside the Zoom admin portal—creating the Auto Receptionist, setting up call queues if needed, uploading the custom greeting, mapping extensions, voicemail, and designing an intuitive call-flow. I’d also like a quick walk-through (live or recorded) ...

    $21 / hr Average bid
    $21 / hr Średnia Oferta:
    30 składanie ofert

    We are looking for an experienced AI Automation Specialist to build a fully automated, white-labeled sales and lead-management ecosystem integrating Conversational AI, Voice Calling, Messaging, Email Automation, and CRM workflows. The ideal candidate should have strong expertise in AI Voice platforms, workflow automation, API integrations, and multi-channel lead orchestration. Project Scope 1. Unified Lead Management * Build a centralized lead management hub * Capture inbound leads from: * Website forms * B2B marketplaces * Social media platforms * Integrate via APIs and webhooks * Automatically categorize and route leads 2. Voice AI Configuration * Configure high-quality conversational AI voice agents * Support regional accents and natural conversations * Set up inbound an...

    $120 Average bid
    $120 Średnia Oferta:
    25 składanie ofert

    I need an experienced VoIP engineer to take a self-hosted PBX environment to the next level. You should feel equally at home inside VitalPBX, FusionPBX, Issabel—or be ready to recommend another open-source platform if it serves the brief better—because I want the freedom to switch or combine solutions as requirements evolve. The immediate goals are clear: • Design and fine-tune advanced call-routing logic so every inbound and outbound call reaches the right place with minimal delay. • Build granular, real-time reporting that lets me track performance by queue, agent, and campaign without relying on costly third-party services. • Bridge the PBX with my existing tools (CRM, help-desk, analytics, or any REST/Open API-friendly system) so data flows automatically...

    $382 Average bid
    $382 Średnia Oferta:
    112 składanie ofert
    B2B Cold Calling Lead Generator
    4 dni left
    Zweryfikowany

    I need help turning my prospect list of commercial and industrial facilities into a steady flow of sales-ready leads. Your job will be to pick up the phone, introduce our service clearly, qualify interest, and secure either a call-back time or an appointment with the decision maker. The target is always small-business owners or site managers, and the sole metric that matters to me is the number of qualified leads you add to the pipeline each week. I will supply a call script outline, a list of prospects with direct numbers, and access to our CRM so every outcome is logged in real time. You may adjust phrasing to keep conversations natural, but the qualifying questions and data fields—contact name, role, pain-point notes, and agreed next step—must be completed for every call....

    $512 Average bid
    $512 Średnia Oferta:
    27 składanie ofert

    I need an experienced tele-caller who can handle customer support calls for my business. The core task is straightforward: follow the detailed script I already have, speak with customers in a friendly and professional manner, resolve their inquiries over the phone, and note each interaction in the tracker I’ll share. You should be comfortable spending most of your shift on live calls, keeping response times short, and maintaining high customer-satisfaction scores. After every call, I expect a concise summary logged in the CRM so I can monitor recurring questions and overall sentiment. If you’ve previously managed similar support lines, understand common call-center metrics (AHT, FCR, CSAT), and can start quickly with minimal onboarding, this assignment will be a great fit.

    $10 / hr Average bid
    $10 / hr Średnia Oferta:
    19 składanie ofert

    I recently added a new SIP trunk to my setup—FreePBX 15 sitting behind a Kamailio SBC—but the trunk will not register and no outbound calls complete. I need someone who understands FreePBX 15, Asterisk SIP settings, and Kamailio routing to: • Diagnose why the trunk fails to register with the provider • Configure the correct authentication, codecs, and SIP headers so outbound calls connect cleanly • Provide a brief step-by-step summary of the changes you make so I can replicate them in the future You will have to work via Anydesk, you won't be able to directly connect to our server.

    $32 Average bid
    $32 Średnia Oferta:
    10 składanie ofert

    Vicidial is already live on our cloud server; what I need now is an on-site engineer in Hyderabad who can bridge it to a 32-port Dinstar GSM gateway sitting in our office. Your task is strictly configuration and testing—no fresh installs. Scope of work • Register the Dinstar gateway as a SIP trunk inside Vicidial, keeping a close eye on call-quality parameters and full compatibility with the gateway. • Analyse the current router, decide which ports must be opened, then set up forwarding so traffic reaches the cloud server cleanly. No predefined template exists, so you will determine the rules and apply them. • Run end-to-end test calls, troubleshooting the single audio problem we’ve seen so far: distorted sound. I expect clear audio on both legs before sign-off....

    $12 Average bid
    $12 Średnia Oferta:
    6 składanie ofert

    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) ...

    $138 Average bid
    $138 Średnia Oferta:
    5 składanie ofert
    Project BV - Swedish (sv-SE) ←→ English
    Zakończone left
    Zweryfikowany

    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) ...

    $107 Average bid
    $107 Średnia Oferta:
    4 składanie ofert

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