Ingeniería de telecomunicaciones Jobs

We are looking for an experienced React Native developer to help build and integrate a VoIP calling SDK into an existing mobile application. This is not a basic app development task. We need someone who has real experience with VoIP / WebRTC / SIP / SDK-level work and can deliver quickly. ### Project Scope - Integrate and extend a React Native VoIP SDK - WebRTC calling using - Inbound & outbound call handling - Push notification based incoming calls - Background call handling - App-based configuration dialing logic - SDK-style packaging + documentation support Our team will handle: - OpenSIPS / SBC (Call logic) - SIP infrastructure - APIs You will handle: - React Native SDK layer - Mobile VoIP calling integration - Native module bridging if required - Call UI handling - Stabili...

I’m looking for help securing one United States VoIP DID that plugs straight into my existing PBX so our support team can start taking customer calls right away. The number must be fully functional for both inbound and outbound traffic and delivered with clear SIP credentials I can drop into my system without extra hardware. You’ll handle everything—from sourcing a reliable carrier, activating the line, and confirming it registers cleanly on my PBX—to ensuring call quality meets normal business-class standards. If you can bundle extras such as voicemail, call recording, or simple forwarding rules, let me know; they aren’t mandatory but would be appreciated. Once the line shows registered and I can place and receive live test calls, the job is done.

I need my new JustCall workspace created and ready to call today. The job is straightforward: register a fresh JustCall account under the details I’ll provide, secure a brand-new U.S. number, and confirm that both inbound and outbound calls work. You’ll handle the entire sign-up flow, any required ID or billing verification, and the quick configuration steps so I can log in and start dialing immediately—no number porting involved, just a clean setup. Deliverables • Active JustCall account in my name • New U.S. phone number attached and tested • One-page hand-off note showing where to adjust voicemail, business hours, and call-forward settings, plus proof that calls connect Experience with JustCall’s U.S. provisioning is essential since I’...

I need an expert to write a research paper on develop or improve a smart grid energy management system, with a focus on integrating renewable energy sources, specifically solar power and electric vehicles (EVs). Key Requirements: - Design and implement integration strategies for solar power and EVs into the smart grid. - Enhance system efficiency and reliability. - Ensure compliance with regulatory standards. Ideal Skills and Experience: - Strong background in smart grid technology. - Expertise in renewable energy systems, particularly solar. - Experience with electric vehicle integration. - Knowledge of regulatory frameworks and compliance.

I need an experienced developer to build a complete Node.js REST API system from scratch that implements GSM and WCDMA telecommunications protocol functionality. You will work with comprehensive protocol documentation to build a production-ready system. What I Will Provide You - Complete protocol documentation (GSM/WCDMA specifications) - Packet format specifications and message type definitions - Device communication requirements (UDP ports, protocol structures) - API endpoint specifications for frontend integration - Protocol examples and sample packet data - Someone to handle device communication (provides JSON format to your APIs) What You Need To Build = 1. Protocol Implementation > PRIORITY Implement GSM protocol (encoding/decoding, message types, validation) Implement WCDMA pr...

We need a web-based platform to manage and monitor proprietary devices installed across Italy. Each device has a unique progressive code (001, 002, etc.), a dedicated phone number, installation details, and contact information. Devices send a phone call every 72 hours as a heartbeat signal. The system must detect these calls, determine whether devices are communicating correctly, and flag devices that stop communicating. Devices can also generate alarm calls to different numbers, which must be recognized and logged. In case of missing communication or alarms, the platform must send automatic email notifications to an internal email and daily summary emails to the on-site contact. Each device has an annual call center contract. About 30 days before expiration, the system must email the...

I need UAE number for VOIP call inbound and outbound call, do you know which provider is best for this ? or you can provide us this service ?

I need an experienced telephony engineer to bring up a new IVR on our Asterisk-based server that will answer calls coming in on both a SIP trunk and a PRI. The core requirement is a clean, dependable call-routing tree—callers should reach the right destination every time—with call recording and basic, built-in reporting turned on from day one. Environment • Linux box already running Asterisk (remote SSH available) • One SIP trunk + one PRI (credentials and circuit details ready) Scope of work 1. Configure the IVR in Asterisk, activate call routing options, and confirm that both trunks follow the same logic. 2. Enable call recording for all menu paths, store files locally in an organised directory structure, and verify playback. 3. Turn on the stock call‐...

I’m expanding our field team and need on-site technicians who can rack, cable, and turn up routers, switches, and firewalls across the UAE, Bahrain, Saudi Arabia, most African nations, and a wide stretch of Eastern Europe—including Poland, Hungary, the Czech Republic, Greece, Slovakia, Slovenia, Croatia, Bulgaria, Romania, and Turkey. Most of the gear you’ll see is Cisco—Catalyst, Nexus, Meraki—as well as Aruba, Lanner, and the occasional white-label device. Jobs range from a single cabinet in an office to multi-rack deployments in Tier III data centers or rugged industrial plants. You’ll work with my remote engineering team over Webex or Teams while you handle the physical layer: unboxing, rack & stack, structured cabling, console access, initial i...

I'm looking for an experienced programmer to develop RF modules based on MTK chips. The primary functionality required is signal reception, specifically for digital signals. This project extends to firmware modification for new hardware of the F21 Pro model, adapting it to work with US bands and ensuring wide usability. Key Requirements: - Modify NV data in the firmware to suit the new chipset (likely running on LWTG) and adapt this file for US band compatibility. - Ensure the firmware can be flashed easily to multiple phones and that a complete backup source file is provided. - Conduct thorough compatibility testing for the firmware. Ideal Skills and Experience: - Strong background in RF engineering and programming. - Expertise with MTK chipsets and NV data modifications. - Experie...

I'm seeking an expert to identify and prove the frequency band and source of an unwarranted radio signal in my home. I suspect it might be coming from a radio tower or possibly through my cordless phone acting as an unknown receiver. Requirements: - Identify the specific frequency band of the unwanted signal - Determine the exact source of the signal - Assess the impact on my home environment Skills and Experience: - Expertise in radio frequency analysis - Experience with signal detection equipment - Knowledge of electronic devices and their interference patterns - Ability to provide a detailed report of findings

I need an expert to help me configure billing rates and internal prefixes in my ASTPP installation. Tasks: Import and set up billing rate cards. Configure internal prefixes for specific routing rules. Ensure the billing engine is capturing data correctly. This is a straightforward task for someone who knows ASTPP well. Please bid only if you have worked with ASTPP before and can start immediately.

Uptalent is seeking a skilled professional to join our team as an O-Calc or SPIDACalc Engineer. This is a great opportunity for a motivated individual looking to make a difference in the civil engineering industry. As an O-Calc or SPIDACalc Engineer, you will be responsible for providing accurate engineering calculations and designs to our clients worldwide. Our company is dedicated to matching global top-tier talent with the most exciting companies in the world. We offer a dynamic work environment, professional development opportunities, and a chance to be part of an innovative team that's changing the industry. Responsibilities: Provide accurate O-Calc or SPIDACalc engineering calculations and designs. Work with project managers to develop project scopes, schedules, and budgets...

Need tutor for the group design project Tool and everything mentioned in the Pdf file i will need professional academic tutor who can handle project perfectly project will have weekly updates + full final report which have simulation MATLAB or Arduino After this project will have more projects incoming so plz come with sample work also You all can bid i will reply and will check the sample work and will select who has good sample work and quality Tutor must be active who can reply faster for students answers Check pdf for more information Thanks Dr. Khan

*** Time Sensitive*** Need a rebuttal to "Big name's" engineer regarding the location and placement of an antenna for a cell tower. My primary concern is signal reach, and I'm looking for expert input on where placement is best for maximum impact. Ideal skills and experience: - USA licensed RF Engineer (State of Kentucky) - Expertise in telecommunications and signal distribution - Experience with antenna placement and optimization - Strong analytical skills to assess and improve signal reach - Ability to provide a detailed and professional rebuttal Please provide a well-researched and convincing argument. We are a fairly rural community with lots of acreage where an antenna would have low to no impact on people's homes. Cell company has applied to place an ant...

I would like to lease a Global Title for USSD testing and development. If possible, I would appreciate a prepaid option that allows flexible rental periods, such as 24-hour or weekly terms.

Need tutor for the group design project Tool and everything mentioned in the Pdf file i will need professional academic tutor who can handle project perfectly project will have weekly updates + full final report which have simulation MATLAB or Arduino After this project will have more projects incoming so plz come with sample work also You all can bid i will reply and will check the sample work and will select who has good sample work and quality Tutor must be active who can reply faster for students answers Check pdf for more information Thanks Dr. Khan

Need an experienced telephony specialist to configure a IVR that works on both our SIP and PRI trunks with all recording and basic reporting enabled . I will provide remote access to the server and trunk credentials once we agree on the approach. Looking forward to working with someone who can get this running quickly and cleanly.

I need a professional to enhance an existing SIM card for mobile communication, specifically supporting LTE and 5G technology. Ideal Skills and Experience: - Experience in SIM card development - Expertise in 5G network technology - Background in mobile communication systems - Proven track record in similar projects Please include relevant experience in your application.

I need a freelancer to install and configure Issabel and the Issabel Contact Center module on a ready-to-use CPU server. Requirements: - Install on a CPU server -Install dialer configure it (Predictive, Progressive,manual dialing and voice broadcasting) - Configure Issabel and Contact Center module - Server is ready; no setup needed - Operating system is currently none; should be installed as part of the task Ideal Skills & Experience: - Experience with Issabel and contact center setups - Proficient in server installations, especially on CPU servers - Familiar with Linux operating systems Looking forward to your bids! Freelancer from India, Nepal, Bangladesh , Srilanka will preferred Instead of Bidding, also make sure you "DM"

We are looking for an experienced and dynamic Telecommunications Engineer to prepare Technical Site Surveys (TSS). The successful candidate will be responsible for writing and ensuring that design specifications are aligned with the client's actual work orders Technical Report Writing: Prepare detailed TSS reports with photographic documentation, diagrams and Bill of Materials (BoM) Field Experience: At least 2 years of experience in site surveys or radio network installations (2G/3G/4G/5G). Technical Knowledge: Familiarity with Huawei provider equipment and power/grounding systems.

Ich möchte unsere bisherige analoge Telefonanlage in unserem KMU vollständig auf eine selbst gehostete VoIP-Lösung umstellen. Als Herzstück soll ein Asterisk-Server laufen, den wir in unserer eigenen Infrastruktur betreiben. Rund 11 – 50 Mitarbeitende werden die neue Anlage täglich nutzen. Folgende Kernfunktionen sind zwingend erforderlich: • Anrufweiterleitung • Voicemail • Konferenzschaltung Alle bestehenden Rufnummern sollen nahtlos portiert und auf der neuen Plattform weitergeführt werden. Neben der eigentlichen Installation erwarte ich eine kurze Dokumentation der Systemarchitektur, eine verständliche Anleitung für zukünftige Erweiterungen sowie einen Testlauf, bei dem alle Funktionen live verifiziert werden. W...

I need an experienced telecom professional to secure and activate a legitimate UAE business VoIP number for my company. I’m looking for guidance from selection to live testing, so the scope covers: • Recommending a reputable UAE-compliant provider that can issue a local DID in my company’s name • Handling any paperwork or TRA registration that a foreign-owned or mainland business must complete • Purchasing the number on my behalf, or walking me through the exact purchase steps if the provider requires my direct action • Supplying SIP credentials (or portal access) and confirming that inbound calls ring through to my existing phones/softphones • Sharing a concise setup guide so I can edit call-forwarding rules, voicemail greetings and future rou...

I’m looking for an experienced Power Pages consultant to work with me on an existing Dataverse setup, not a greenfield build. This is an external-facing Power Pages portal whose sole purpose is secure data submission and management into existing custom Dataverse tables. Existing setup (must be reviewed first) Three custom Dataverse tables already exist Relationships are already defined (parent + related child tables) Your first task will be to: * Review the current table structure * Validate relationships, columns, data types, and ownership * Flag any required changes upfront before portal configuration begins * No assumptions. No silent refactoring. Scope of work You will: * Configure a Power Pages site connected to my existing Dataverse tables * Surface a main parent f...