SIP projects — HireLancer archive

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FreePBX Routing

My FreePBX server is working but our customized UI is not working at this time. Currently our DIDs are assigned via the script at the UI. I wonder if I can assi...

HL-39849447

Configure IPSec VPN for FreePBX

I have two offices running FreePBX on Red Hat-based servers and I need their phone systems talking to each other over a stable IPSec tunnel. The goal is simple:...

HL-39846263

Android Softphone with Call Forwarding

1. Platform • Android 9 2. Core Functionality • The app must accept incoming SIP calls from my Asterisk server. • Upon receiving a SIP call: 1. The app does not...

HL-39842705

Vicidial Audit & CRM Integration

I run an outbound marketing team on a self-hosted Vicidial (CentOS 7, Vicidial 9.x, Asterisk 13) and need a fresh, expert set of eyes on the whole setup. Your f...

HL-39841633

FreeSwitch Deepgram Voice AI Agent Integration

We are building a real-time voice agent using Deepgram's WebSocket API and need an expert in Freeswitch to help us bridge our current call flow to the Deepgram...

HL-39829237

OpenSips Installation & Configuration with RTPproxy & Control Panel for Inbound

I need basic installation and configuration of OpenSips with RTPproxy & Control Panel for web management. All RTP traffic must pass through the RTPproxy. This p...

HL-39828249

Configurar PBX Asterisk com Ramais

Preciso que um especialista instale e deixe pronto para uso um PBX virtual em Asterisk ou isabella ou freepbx, num alojamento que tenho. O ambiente ainda não es...

HL-39827367

Freeswitch POC: DB-Based Setup

I’m building a proof-of-concept Freeswitch installation where every call-routing decision (CRDs) and the entire configuration lives in a MySQL back-end rather t...

HL-39823744

Twilio-WhatsApp Call Forwarding Setup

My Twilio account is active, the dedicated phone number is live, and the WhatsApp Business profile is already approved and connected inside Twilio. What I still...

HL-39823625

French VAPI Voice Agent Setup -- 3

I need to stand up a French-speaking, menu-driven voice agent on VAPI and connect it to Telnyx for live calling. When a caller dials in, the agent must greet th...

HL-39822043

Reliable 3CX Hosted Setup

I have a 3CX “Hosted by 3CX” license ready and need an expert to take it from a blank instance to a fully functioning phone system for a team of fewer than ten...

HL-39820185

Fix Asterisk Bot Routing

My Asterisk-based call bot ran flawlessly for several days, but since this morning every outbound attempt stalls: the SIP account still registers, CLI shows no...

HL-39819064

Flexisip Video Conferencing Integration

I already run a Flexisip server for voice calls and now I need it to handle real-time video conferences as well. The task centres on expanding Flexisip so multi...

HL-39816214

Fix VCDial Installation Issue on Alma Linux 9

i installed vcdial on alma 9 linux but we have this issue and below we believe can be the problem Thank you for running the port scan and providing the detailed...

HL-39810633

Finish Vicidial Multi Company Setup

Vicidial is already up and running on an Alma Linux 9 server ( https://vcdial.jbetadev.com/vicidial/welcome.php ). I have documented the full build in the Googl...

HL-39810687

Finish Vicidial Multi Company Setup -- 2

Vicidial is already up and running on an Alma Linux 9 server ( https://vcdial.jbetadev.com/vicidial/welcome.php ). I have documented the full build in the Googl...

HL-39810312

AI Voice Call Screening PoC

I want to prove out an all-IP call-handling flow that lets an AI pick up every inbound call, have a short natural-language conversation (in swedish or english),...

HL-39808642

French VAPI Voice Agent Setup

I need to stand up a French-speaking, menu-driven voice agent on VAPI and connect it to Telnyx for live calling. When a caller dials in, the agent must greet th...

HL-39805200

Softphone Dev for Android/iOS

I need a freelancer to white-label the Linphone open-source softphone into a branded mobile app for my service Unlimited World. Requirements: Replace branding:...

HL-39802636

Fix Issabel NAT Call Drops

I have an Issabel PBX running behind a typical home/office router. Calls from outside to remote extensions are just fine, but the calls between remote extension...

HL-39802090

Stabilize FreePBX Trunk Registration

I recently migrated our phone system from Issabel to FreePBX, and the new setup is proving unreliable. The core problem is configuration-related: trunks refuse...

HL-39792350

AI Callbot

I need a production-ready AI callbot I can deploy on-premise today. The solution must speak French with an ElevenLabs-level, human-sounding voice—this is the si...

HL-39788265

30$ One day Task: pjsip-android Integration with FreePBX/Asterisk

Integrate pjsip-android with osmocom/ofono for FreePBX/Asterisk ## Task Description We are seeking a skilled Android developer for a **pure integration task** b...

HL-39787701

GSM-WebRTC Integration App Development

Title: Android App Development: GSM from and to WebRTC Integration (Rooted Devices) Objective: Develop an Android application that integrates GSM calls with Web...

HL-39784584

Part-Time IP Telephony Support

I’m looking to bring an experienced remote professional on board for ongoing, part-time support work that sits at the crossroads of IP telephony and cybersecuri...

HL-39782863

VoIP/GSM Call Merging for CSipSimple APK

Job Posting: Android Developer for CSipSimple VoIP/GSM Call Merging Project Overview I am seeking an experienced Android developer to create a custom solution f...

HL-39781499

Asterisk Developer for VoIP Integration

We are looking for an experienced Asterisk Developer to help us with custom VoIP development and integration. The ideal candidate should have hands-on experienc...

HL-39778803

Telegram Bot SIP Call Bridger

I need a small script that sits behind a Telegram bot and lets me act as a one-click switchboard. Once I send a simple command, the bot should prompt me for two...

HL-39777858

Telnyx Expert Needed to Configure Outbound Voice + Connect to Vapi

I already have Telnyx numbers and a Vapi account; what I need now is a clean, working outbound-voice configuration that pushes every call event straight into Zo...

HL-39774160

Build SIP-WebSocket Audio Bridge

I want to move audio from a standard SIP trunk straight into LiveKit without using any third-party gateways. The bridge you build will sit between the SIP endpo...

HL-39774030

FreePBX & Yealink Fixes

I have a small-scale, home FreePBX installation that needs two things sorted out right away—both are equally urgent. First, my Yealink 70B handsets refuse to re...

HL-39774048

FreePBX & Yealink Fixes -- 2