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I already have a Grandstream UCM-series IP PBX on site and reachable for remote work. The hardware is up, the , but the system is still running on factory defaults. I need a Grandstream-savvy engineer to jump in and complete the core setup: • Create and test all user extensions (SIP and any analog FXS ports that may be required). • Build a clean inbound route so external calls land where they should. • Design and activate a simple operator/IVR menu that greets callers, routes them to the right extension or ring group, and falls back to voicemail if unanswered. Please handle dial plans, basic voice prompts, time conditions, and any minor tweaks that are typically part of making the above work smoothly. I’ll supply extension lists, Remote access is available via TeamViewer or anydesk Success to me is seeing every extension register, and the operator option transferring as expected. If you know the Grandstream interface well, this should be a quick, clean project.
Project ID: 40581534
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23 freelancers are bidding on average $27 USD for this job

Hi there, I can help you with the Grandstream UCM PBX setup. I've configured these systems before and know the interface well. From setting up extensions and inbound routes to building a clean IVR with time conditions and voicemail fallback, I can handle it all. I'm available to remote in via TeamViewer and get this done quickly. Let me know if you want to discuss the details.
$10 USD in 7 days
7.0
7.0

With over a decade in the field of information technology, network administration and specifically VoIP management, you can be assured that I have the expertise to handle your Grandstream UCM PBX configuration. My familiarity with various vendors including the likes of Cisco, Fortinet and Checkpoint, just to name a few, confirms my versatile understanding of IT systems. I boast a comprehensive skill set which encompasses network administration, VOIP solutions (including FreePBX and Cisco CUCM) and system administration. Choosing me guarantees not only smooth project delivery but also active after-sales support. Plus with remote access available via TeamViewer or anydesk, location becomes no barrier for efficient work delivery. I strongly believe that my broad experience in setting up and configuring networks; mixed with my nuanced understanding of VoIP and other hardware/software technologies makes me an ideal fit for your Grandstream UCM PBX configuration project. Let's create a solid system that meets all your expectations!
$110 USD in 3 days
7.1
7.1

Hi there, I’d like to work with you on this one if possible! I have 16+ years of solid experience in Network and System Administration,VOIP,Desktop and Technical Support. I can assist you to configure GS UCM IPPbx from scratch .Thank you for considering my application. I look forward to hearing from you. Thanks, Muhammed Rafi
$75 USD in 2 days
6.8
6.8

Hello There! I’m Md. Toriqul Islam, a VoIP and Network Engineer with 10+ years of experience configuring IP PBX systems, SIP, and business telephony solutions. I understand you need to configure your Grandstream UCM by creating extensions, setting up inbound routing, IVR, ring groups, voicemail, dial plans, and time conditions, then fully testing the system remotely. I am skilled in Grandstream UCM, VoIP, SIP, IP PBX, IVR, Ring Groups, Dial Plans, FXS, Networking, and TeamViewer/AnyDesk Remote Support. I’m ready to start immediately and would be happy to complete the setup efficiently. Looking forward to hearing from you. Best regards, Md. Toriqul Islam
$10 USD in 1 day
5.8
5.8

Setting up Grandstream UCM is mostly about making sure SIP and FXS extensions register cleanly, then wiring up dial plans and IVR that route calls without dead ends. I do PBX config and SIP rollouts alongside my main dev work—last quarter I set up UCM and Yeastar boxes for a 40-line office, including auto-attendants and ring groups. I’ll create all extensions, test with your phones or soft clients, set a basic IVR menu with operator fallback, tune dial plans, voice prompts, and time conditions, and verify voicemail works. You'll get a dial plan map and admin note for future edits. Let me know if any of the extensions are off-site SIP, or if everything is on the LAN. I can start as soon as you provide the user list and remote access. Pradeep
$20 USD in 7 days
5.1
5.1

Hey, getting those analog FXS ports to play nice with the digital SIP extensions on a fresh Grandstream UCM is always the first hurdle. I'll log in via AnyDesk and map out your extension ranges first so the dial plans align perfectly. The trickiest part is usually getting the IVR DTMF tones to register correctly over the trunk so callers do not get stuck. Do you already have the SIP trunk details from your telecom provider?
$10 USD in 1 day
4.4
4.4

As a seasoned tech professional with over 7 years in software development, I bring to the table a broad and versatile skill set that includes proficiency in Linux and PHP. I understand that a project like yours requires more than just domain knowledge - it needs an understanding of the intricacies of the Grandstream interface and a knack for smooth configurations. Having tackled similar projects in the past where I've had to work hands-on with intricate systems, I assure you that your Grandstream UCM PBX will be an expedient task for me. Whether it be creating and testing user extensions, setting up inbound routes or designing operator-menus, I can handle it all. And with my remote access abilities via TeamViewer or anydesk, we can ensure uninterrupted progress throughout. In addition to my technical skills, I am extremely dedicated to meeting client expectations. Your satisfaction is my utmost priority and I will be fully devoted to seeing every extension register and the operator option transferring as expected. Let's get your system off factory defaults and onto high-functioning greatness together.
$10 USD in 7 days
6.2
6.2

Hi, your Grandstream UCM is already on-site and reachable, so this is mainly a clean factory-default setup: extensions, inbound routing, IVR, and voicemail flow. I’ve configured Grandstream UCM systems for SIP extensions, FXS ports, ring groups, dial plans, and time conditions. I’m comfortable working directly in the UCM web interface over TeamViewer or AnyDesk and verifying each step as it’s built. My approach is straightforward: create and test every extension, map inbound calls to the right destination, then build a simple operator menu with proper fallback to voicemail when unanswered. I’ll also make sure the dial plan and prompts are aligned so the system behaves predictably and each extension registers correctly. If you’d like, I can get this finished cleanly and efficiently. Best regards, Gabriel
$15 USD in 1 day
3.5
3.5

The PBX being reachable remotely is all I need. I can connect via TeamViewer, configure the SIP trunk, set up extensions and call routing, and have it working within a day. Quick question: is the SIP trunk already registered, or does that need to be provisioned too? Either way, I can start today. The bid reflects what's in the post. Final numbers come after a quick conversation. Want to jump on a call?
$30 USD in 2 days
3.3
3.3

As an experienced freelancer with over 8 years in mobile app development, my expertise extends beyond just coding. Over the years, I've honed my skills not only with developing apps but also in streamlining processes and setting up systems to optimize their functionality. This is why I strongly believe I can be the perfect candidate for your Grandstream UCM PBX configuration project. My extensive experience with backend service development and database optimization enables me to identify potential issues and design solid solutions. In addition to my mobile app background, I've also gained comprehensive knowledge of web development including HTML, CSS, and JavaScript which further complements your project requirements. Moreover, my proficiency in various relevant technologies such as PHP, laravel, as well as my familiarity with database visualization tools will allow me to efficiently handle dial plans, implement voice prompts, and set up time conditions - all elements that are crucial for your project's success. I ensure clean programming, quick turnarounds, and seamless integration for a smooth-running PBX system tailored specifically to your needs. Let's connect further to discuss how I can bring substantive value to your project from the get-go.
$20 USD in 7 days
4.6
4.6

I will configure your Grandstream UCM from factory defaults—creating extensions, routing calls, and setting up a functional IVR. My Approach: 1. User Extensions: Create SIP extensions from your list, configure any analog FXS ports if needed . 2. Inbound Routes: Build a clean inbound route to direct external calls to the IVR . 3. IVR Menu: Design a simple operator menu that greets callers, routes to extensions/ring groups, and falls back to voicemail . 4. Dial Plans & Tweaks: Handle dial plans, time conditions, basic voice prompts, and minor adjustments . IVR Greeting: English or Arabic—your preference. The UCM supports both . Deliverables: All extensions registered, operator option transferring correctly, system ready for use. Need: Extension list and any specific routing requirements. Share remote access details—I will begin immediately.A
$25 USD in 7 days
3.9
3.9

With extensive experience in Grandstream setups, I understand the need to optimize your IP PBX system for efficient operations. I've successfully configured similar systems, including setting up user extensions and designing inbound routes. Could you provide the extension lists and any specific preferences for the IVR menu? Regards, mundadiya
$25 USD in 8 days
2.7
2.7

Hi! Factory-default UCM just needs extensions built, inbound routes pointed, and a simple IVR layered on top. The main pitfall is usually the dial plan — if the digit map isn't tight, transfers and external calls can behave inconsistently. Time conditions and fallback voicemail are straightforward once the base routing is solid. Are the extensions primarily SIP softphones, desk phones, or a mix?
$30 USD in 2 days
2.6
2.6

Hello, The core risk is making the UCM dial plan, routing, and call handling line up cleanly with your onsite topology. I’ll configure the SIP/FXS extensions, inbound routes, IVR, ring groups, voicemail fallback, and time conditions through the Grandstream interface, then test registration and call flow end to end over TeamViewer/AnyDesk. You’ll get a working PBX configuration ready for live use. I handle Asterisk PBX setups and VoIP workflows regularly. Best regards, Ivan
$25 USD in 2 days
2.1
2.1

With a long-standing background in computer science and artificial intelligence, particularly in Linux and PHP, I bring unique skills to the table for configuring your Grandstream UCM PBX. Throughout my career, I have consistently leveraged these skills to create advanced digital solutions, including voice and chat agents similar to what your project requires. At an AI startup where I held the position of Chief Technology Officer, we built an impressive portfolio of applications that resonate well with your project description. This includes developing AI-powered voice and chat agents for customer support just like you need. With these agents, we successfully qualified leads and even automated appointment booking; a skill that can be relevant to streamlining operations on your PBX system. As someone who thrived in academia, I approach technology challenges systematically without overlooking any details. Thus, with the opportunity to handle your dial plans, create inbound routes, design IVR menus and all other core setups, you can rest assured that every aspect will be executed meticulously for maximum efficiency. Let's work together to make your Grandstream UCM PBX sing!
$10 USD in 7 days
0.0
0.0

Hi, I can help complete your Grandstream UCM setup and get it ready for production. I'll configure all required SIP extensions (and FXS ports if needed), set up inbound routing, create a clean IVR with ring groups and voicemail fallback, and fine-tune the dial plan, business hours, voice prompts, and other essential PBX settings. Before wrapping up, I'll verify that every extension registers correctly and that inbound calls, transfers, and operator routing work exactly as expected. I'm comfortable working remotely via TeamViewer or AnyDesk and can start as soon as you provide the extension list and access details. Have a look at my profile and previous work: https://www.freelancer.in/u/chiragkohli Looking forward to discussing the setup.
$20 USD in 7 days
0.0
0.0

hi, i have seen your are looking VoIP engineer working in Grandstream UCM, SIP and Asterisk PBX i am having 4 years of experienced as VoIP engineer and i will work according to your extension setup, inbound route, IVR menu, dial plans, voicemail, and remote configuration. pls share more details of your project. looking forward to your response. thanks.
$10 USD in 1 day
0.0
0.0

Hi, I can complete the configuration of your Grandstream UCM remotely. I have experience configuring Grandstream UCM IP PBX systems, SIP extensions, FXS ports, IVRs, inbound/outbound routing, ring groups, voicemail, and dial plans. I can help you with: Creating and testing all SIP/FXS extensions. Configuring inbound routes. Building a professional IVR with time conditions and voicemail fallback. Setting up ring groups and call routing. Testing every extension to ensure registration and proper call flow. Making any necessary adjustments for a stable and clean deployment. I can connect via AnyDesk or TeamViewer and start immediately. Once you provide the extension list and call flow requirements, I can complete the setup efficiently. Looking forward to working with you. Ahmed Elaraby Network & Systems Administrator | VoIP & IP Telephony
$30 USD in 2 days
0.0
0.0

As someone with a deep understanding of VoIP systems and particular expertise in Asterisk PBX and Linux, I believe I would be an excellent candidate to help you configure your Grandstream UCM PBX. I understand that your main goal is to have a fully functional system with smooth communication, efficient routing, and operator menu options that work seamlessly. Drawing from my extensive knowledge of these systems, I promise to deliver exactly that - and more. Additionally, my YouTube channel which focuses on covering Asterisk PBX related topics demonstrates my knack for breaking down complex technological concepts into easy-to-understand content. This skill not only aids in delivering high-quality work but also complements my commitment to maintaining clear and open communication lines with clients like you. Lastly, the success of this project is as important to me as it is to you. Hence, I guarantee my availability whenever needed, and an absolute focus on detail throughout the workflow. Thank you for considering me! Let’s collaborate and transform your Grandstream UCM PBX into a robust communication system that enhances your business's productivity.
$20 USD in 1 day
0.0
0.0

Hi, I can complete the full configuration of your Grandstream UCM PBX remotely and ensure it is ready for production use. I have extensive experience with Grandstream UCM, FreeSWITCH, Asterisk, SIP trunking, dial plans, IVR design, inbound/outbound routing, ring groups, voicemail, and extension provisioning. I can help you with: * Creating and testing all SIP and FXS extensions. * Configuring inbound routes for your DIDs. * Designing and implementing a professional IVR/operator menu. * Setting up ring groups, voicemail, and failover routing. * Configuring business hours and time conditions. * Verifying SIP registrations and call flow. * Testing inbound call routing and extension-to-extension calling. * Fine-tuning the PBX for reliable day-to-day operation. I can connect via TeamViewer or AnyDesk and complete the configuration while keeping you updated throughout the process. Before finishing, I will perform end-to-end testing to ensure every extension registers correctly, inbound calls reach the correct destination, IVR options transfer properly, and voicemail works as expected. I have several years of hands-on experience deploying and supporting enterprise VoIP platforms for production environments, so I can complete this quickly and efficiently. I am available to start immediately and can complete the setup within the same day if all required details (extension list, SIP trunk/DID information, and call flow requirements) are available.
$50 USD in 5 days
0.0
0.0

Jeddah, Saudi Arabia
Member since Jul 14, 2026
₹750-1250 INR / hour
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$8-15 USD / hour
$250-750 USD
$250-750 USD