Linphone push with fusionpbx + flexsip

@softsolution2000

I have extensive experience in Mobile App Development, Android, Troubleshooting, Asterisk PBX, and Technical Support, making me a great match for the "Linphone push with FusionPBX + flexsip" project. I am confident in my ability to troubleshoot and resolve the background operation issues you are facing. The budget can be adjusted once we discuss the full scope, and I am committed to working within your constraints. Please go through my profile to see my 15 years of experience and the quality of work I deliver. Let's discuss the details and get started right away. Looking forward to hearing from you.

@ixorawebmob

Hello, I’ve gone through your project details and this is something I can definitely help you with. With over 10 years of experience in mobile app development and a strong focus on VoIP technologies, I have worked extensively with Linphone and FusionPBX, including custom builds. I understand the critical issues surrounding background operations in mobile apps, especially in VoIP contexts where timely call notifications are essential. I will begin by analyzing the current build of your Linphone app to identify the root cause of the incoming call issue when the app is in the background. My approach includes reviewing configurations, ensuring adherence to mobile OS guidelines, and implementing necessary adjustments. Here is my portfolio: https://www.freelancer.in/u/ixorawebmob I’m interested in your project and would love to understand more details to ensure the best approach. Could you clarify: - Have you made any recent changes to the Linphone build or FusionPBX settings that might relate to this issue? Let’s discuss over chat! Regards, Arpit Jaiswal

@arbu1499

Hi, I have extensive experience with mobile VoIP apps, Linphone, and FusionPBX, including troubleshooting issues with background call delivery on custom builds. I’d start by reviewing your app’s push notification and background service setup on both iOS and Android, then implement the necessary adjustments so incoming calls reliably arrive even when the app isn’t active. I’ve resolved similar background call issues before and can provide a clear explanation of the fix so it’s maintainable. Looking forward for your positive response in the chatbox. Best Regards, Arbaz T

@NEHABHAT92

With extensive experience in mobile app development, particularly for Android and iOS systems, we are well-equipped to tackle your project head-on. As a top-performing freelance team, we have managed to stay at the helm of our industry for over 9 years - a testament to our knowledge, expertise, and ability to troubleshoot and resolve issues similar to the ones you're facing. Linphone integrated with FusionPBX isn’t unfamiliar territory for our team; we have abundant experience in custom builds and possess an undeniable proficiency in VoIP technology. One of the major highlights about working with us is our commitment to turning your vision into reality. We've previously worked on similar projects that required robust understanding of mobile VoIP applications, which has given us enhanced problem-solving skills. Our support doesn't end at the completion of the project - we're eager to provide free post-delivery support for up to 3 months to ensure seamless operation of your system. Choosing us would not only guarantee an effective solution to your current crisis, but also cost-efficiency coupled with excellent service. We offer cheap domain and hosting options as well as competitive pricing that won't dent your budget. Don't just take my word for it though; let my past work speak for itself: choose us today!

@ianb65

Hello, there! I have solid experience with VoIP stacks, SIP signaling, and mobile background execution behavior, and I can help you diagnose why your custom-built Linphone client is not receiving calls while in the background when connected to FusionPBX. Issues like this typically involve one or more of the following: SIP registration expiry and keepalive handling, push notification configuration (APNs/FCM with VoIP push on iOS), background mode permissions, NAT/transport settings (UDP vs TCP/TLS), or incorrect integration between Linphone’s core and the OS lifecycle in your custom build. I’ll review your SIP logs, registration flow, push configuration, and FusionPBX profile settings to pinpoint whether the failure is client-side (background task handling, push token registration, wakelock/foreground service) or server-side (contact rewrite, NAT, ACL, or profile params). On iOS, I’ll verify VoIP push + CallKit integration and background modes. On Android, I’ll inspect foreground service, Doze handling, and FCM wake triggers. I can also test with packet captures and SIP trace to ensure INVITEs are actually reaching the device when backgrounded. Best regards, Ian Brown

@mohjib092

Hi there, Expert here, Is this issue occurring on iOS, Android, or both—and are you currently using PushKit (iOS) and/or Firebase Cloud Messaging (Android) for background call wake-up? Thank You

@proggon

Hi there, I understand you're facing a challenge with Linphone integrated with FusionPBX, particularly with calls not coming through when the app is running in the background. This can be frustrating, but I'm confident I can help you resolve this issue effectively. With my extensive experience in VoIP solutions and a strong background in working with both custom builds and integration of apps like Linphone, I can diagnose the problem and implement a tailored solution. My approach will focus on ensuring seamless background operation by fine-tuning push notifications and optimizing the app's performance across both iOS and Android systems. Having tackled similar issues before, I understand the nuances involved and will prioritize a robust solution that enhances user experience without sacrificing reliability. What specific functionality or features do you envision impacting your users the most once this issue is resolved? https://www.freelancer.com/u/proggon Best regards, Wahaj Barlas.

@techsty2014

Hello, I can assist with resolving the issue of calls not coming through when your custom-built Linphone app is in the background. With extensive experience in VoIP systems, particularly FusionPBX and Linphone, I understand the intricacies involved in ensuring seamless background operations. My expertise in mobile VoIP applications across both iOS and Android platforms will be instrumental in diagnosing and fixing the problem. I will thoroughly analyze your current setup, identify the cause of the issue, and implement a solution to ensure reliable call functionality even when the app is minimized. Questions: • Have you enabled push notifications for Linphone on both iOS and Android? • Is there a specific version of FusionPBX you are using that I should be aware of? Looking forward to working with you to enhance your Linphone integration and ensure consistent call performance. Thanks and best regards, Faizan

@devbaloni1983

Hello, Hope you're doing great! I’m a Mobile App Developer who builds smooth, user-friendly, and feature-rich applications for Android and iOS. Whether it's a simple app or a full-scale product, I ensure high quality and excellent performance. My Skills 1. Android apps (Java/Kotlin) 2. IOS apps (Swift) 3. Flutter & React Native apps 4. Pixel-perfect UI screens 5. API integration & database setup 6. Firebase / push notifications / analytics 7. Payment integration 8. App Store & Play Store publishing Why Clients Like Working With Me 1. Modern, clean and intuitive app designs 2. Excellent performance and fast loading 3. Strong knowledge of mobile architectures 4. Transparent communication 5. End-to-end support: design → build → launch Let’s Start Your App Share your idea or reference app — I’ll provide: 1. Best development approach 2. Timeline 3. Budget estimate Excited to build your mobile app!

@jeric5g

Hi there, I’ve reviewed your Linphone/FusionPBX setup and the background call delivery issue you’re seeing with your custom Linphone build. I’ll focus on ensuring push notifications and SIP registrations survive background transitions across iOS and Android, and verify FusionPBX trunking, rport/ICE settings, and mobile SIP stack behavior in your variant. My approach is to reproduce in a controlled test suite, instrument push/audio paths, and tighten keep-alives, DTLS/SRTP handling, and firewall/NAT traversal. I’ll implement minimal, robust changes and validate end-to-end with both platforms, keeping changes isolated to what’s necessary for your custom build. Propose an engaging question about the project's requirements to ask the client, tone should be $gpt_tone

@amadorjay

Hello, I will resolve your Linphone background call issue with FusionPBX. This problem typically arises from improper handling of background tasks or VoIP push notifications. I have extensive experience with custom VoIP solutions. I’ve successfully tackled similar challenges in Linphone and other mobile VoIP applications. **Here’s my approach:** - **VoIP Push Notifications**: Ensure correct implementation for iOS and Android to wake the app in the background. - **Session Management**: Review and optimize session handling to maintain active calls. - **Debugging**: Analyze logs to identify root causes of background call failures. - **Integration Testing**: Test across various devices to ensure consistent behavior. - **Performance Metrics**: Set up monitoring for call quality and connection stability. **Questions for Clarity:** - What specific behaviors have you observed when the app is in the background? - Are there any particular devices or OS versions where this issue is more pronounced? - Do you have existing logs that could help in diagnosing the problem? I’m ready to start immediately and ensure your calls come through reliably. Let’s solve this together.

@moha262

Hello! After reviewing your post, I believe my Software Engineering, Technical Support, Android, iOS Development, Troubleshooting, VoIP, Software Development, Telecommunications Engineering, Mobile App Development and Asterisk PBX skills are a great fit for your project. I have the expertise you need for your project and am confident I can successfully complete it. With 9 years of practical experience, I will meet your deadlines and deliver flawless results. I would like to discuss your project with you in a specific question and answer format. I look forward to hearing from you anytime. Thank you, Moh A.

@SEOGlobalLLC

Hi there, We understand you need a refined, framework-agnostic Swift 5+ Sudoku engine that reliably generates logically solvable puzzles across five difficulty tiers, detects and explains at least ten solving strategies, logs step-by-step elimination logic for progressive teaching hints, supports deterministic offline daily puzzles, validates imported boards with uniqueness checks and grading, and passes strict performance and XCTest requirements—peanut butter. SEO Global Team has deep experience building modular Swift engines with constraint-propagation solvers, strategy-pattern detection layers, deterministic seed systems, and fully tested algorithmic cores optimized for sub-200 ms hint generation. We will structure a clean solver/generator architecture with extensible strategy modules, deterministic daily puzzle seeding, robust validation and grading logic, detailed step logging for guided hints, and deliver a standalone Xcode workspace with documentation and a minimal demo view. Would you like the internal solver to expose a public step-by-step trace API for analytics? Should daily puzzles vary per difficulty level using separate deterministic seeds? Do you have an existing codebase we should refactor or replace entirely? Looking forward to collaborating, SEO Global Team

@arslanshahid386

Hi there, I see you're dealing with a tricky issue where calls aren't coming through on Linphone when the app is in the background. This can be frustrating, especially with a custom build. My approach would involve checking the push notification settings and ensuring that the SIP configurations are correct for both iOS and Android platforms. I have 4+ years of experience in VoIP and have tackled similar problems with FusionPBX and Linphone, so I’m confident in my ability to help you resolve this. I’d love to know if you've made any recent changes to your server settings or the Linphone app itself that might have coincided with the start of this issue. Best regards, Arslan Shahid

@rogelitoc

Hello! I understand that you are facing a critical issue with your custom-built Linphone application integrated with FusionPBX, specifically regarding calls not coming through when the app is in the background. This can significantly impact user experience, and I’m here to help. With over five years of experience in VoIP technologies, including extensive work with FusionPBX and Linphone, I have successfully resolved similar issues in mobile applications. My background includes troubleshooting background operation problems on both iOS and Android systems, ensuring seamless call functionality. To address your current issue, I propose the following approach: - Conduct a thorough analysis of the custom build to identify any discrepancies in the background call handling configurations. - Implement optimizations specific to mobile operating systems that enhance background operation capabilities for VoIP applications. - Test the solution rigorously on both platforms to ensure reliable call delivery even when the app is not active. - Provide documentation and support for any future troubleshooting needs. I am eager to get started on this project and confident in my ability to deliver a solution that meets your needs. Please feel free to reach out so we can discuss this further and I can begin working on it immediately. Thank you for considering my proposal!

@reactnodepython

Hello, I'm a VoIP developer with over 10 years of experience in mobile VoIP solutions. I have worked extensively with Linphone, FusionPBX, and custom builds. We'll discuss the details in a chat. I understand that your calls do not come through when Linphone is in the background. I can help fix this by troubleshooting the background operation settings specific to your custom build. Here are two approaches I can take. Option A: I can optimize your current settings to enhance background call functionality. Option B: Alternatively, I can integrate push notifications to ensure calls reliably come through, even in the background. Which option do you prefer? My proven track record in similar issues makes me confident in resolving this promptly. I look forward to discussing this further. Best, Yurii.

@TheDesignBloke

Hi, I went through your project carefully, and the core challenge is clear: your custom-built Linphone isn’t receiving calls when in the background. This isn’t a surface-level task , it needs someone who understands VoIP integrations and can execute without hand-holding. I’ve handled similar work where precision and seamless operation were critical. My approach involves analyzing your Linphone setup and FusionPBX configuration, followed by rigorous testing on both iOS and Android platforms to resolve the background call issue effectively. No guesswork, no bloated process, just results that are reliable and scalable. If this aligns, I can start immediately and deliver a solution within a few days. One quick question before I proceed: what specific troubleshooting steps have you already attempted? Best regards, Muskan

@maicacornejo19

Hi Mate , Good morning! I am an expert mobile developer with skills including Software Development, VoIP, Software Engineering, iOS Development, Technical Support, Android, Mobile App Development, Telecommunications Engineering, Asterisk PBX and Troubleshooting. Please send a message to discuss more regarding this project. A fast response is appreciated

@trb2004

Hi there, I understand that you are experiencing significant issues with call notifications in the Linphone app when it is in the background. With my strong background in VoIP and proven expertise in both FusionPBX and Linphone, I am confident in my ability to address and resolve this problem effectively. My experience with custom builds of Linphone specifically positions me well to troubleshoot this issue, ensuring reliable call delivery in background modes for both iOS and Android platforms. I believe the solution will involve optimizing background processes and testing various configurations within your FusionPBX setup. I look forward to working with you to restore full functionality to your Linphone app. Best regards, Thaveesha