Twilio-Cisco Voice Integration

@kamran2012

Hi, I will integrate Twilio SIP trunking with your Cisco Call Manager and configure the call routing rules so inbound and outbound voice traffic flows correctly between both systems. On a similar integration, setting up redundant SIP trunk registration between Twilio and CUCM eliminated dropped calls during failover. You will get a short update at the end of each day. Questions: 1) Which Cisco Call Manager version are you running (CUCM 12.x, 14.x)? 2) Are the call routing rules documented already, or do we need to define them together? Share your current CUCM setup details and I will map out the SIP trunk configuration this week. Best regards, Kamran

@nolk

Hi there, I'm Cisco certified CCNP and have lots of experience working with the CUCM solutions. I've also worked with Twilio offerings for more than 5 years and will be happy to help you with your setup.

@Microlent

I can integrate Twilio SIP with your Cisco Call Manager to handle your voice communication and call routing requirements. I've done this exact integration before and have a deep understanding of the SIP protocols needed to bridge these systems. My work will focus strictly on the SIP trunking and routing configuration, so I won't touch any other parts of your infrastructure. Are you using a Cisco CUBE for the gateway, or are we connecting Twilio directly to the Call Manager? Happy to jump on a quick call when you're ready.

@himanshus642

As someone who has spent over five years crafting robust, API-driven applications using languages like Node.js and PHP, I'm confident that I can expertly leverage Twilio's SIP capabilities to integrate with Cisco Call Manager and establish effective call routing systems. Throughout the years, I've worked on a wide range of projects that required intricate understanding of various protocols - skills that are directly applicable for this task. My experience in building SaaS platforms, which often demand highly performant and intelligent call routing features, is another solid advantage I bring to the table. What sets me apart isn't just my technical expertise, but also my ability to grasp complex business requirements and align them with the technology at hand. Understanding the intricate needs of FinTech systems has taught me how crucial it is to get voice communication right, especially when it comes to factors such as security and performance. Moreover, my familiarity with AWS and Cloud services could ensure a seamless integration process. You should choose me for your twilio-Cisco voice integration project because you need someone who not only has a deep understanding of the technical aspects involved but also has extensive experience in providing tailor-made solutions for unique business needs. Let's connect and discuss how we can transform your voice communication system into an efficient, automated solution.

@toriquldev123

Hello There! I’m Md Toriqul Islam, and I’m excited to partner with you. I’m an experienced VoIP and full-stack developer specializing in Twilio, SIP integrations, Cisco Call Manager, and enterprise communication solutions. I understand you want to integrate Twilio SIP with Cisco Call Manager to enable reliable voice communication and implement custom call routing based on your requirements. I have experience configuring SIP trunks, call flows, routing rules, and secure VoIP integrations for scalable telephony systems. I am skilled in Twilio, Cisco Call Manager (CUCM), SIP, VoIP, call routing, REST APIs, and network troubleshooting. I’m ready to start immediately and would be happy to discuss your call flow, routing requirements, and deployment environment. Looking forward to hearing from you. Best regards, Md Toriqul Islam

@krisk63

Hi, this is Kris from McKinney, Texas, I’ve reviewed your requirement for integrating Twilio SIP with Cisco Call Manager to enable reliable voice communication and custom call routing. The main focus is establishing a stable SIP connection, configuring routing logic, and ensuring smooth communication between both platforms. I would approach this by reviewing your current Cisco Call Manager setup, SIP trunk requirements, and routing objectives before configuring the integration. I would handle Twilio SIP trunk configuration, Cisco CUCM SIP trunk setup, dial plans, call routing rules, and testing of inbound/outbound call flows. I would also verify SIP signaling, codec compatibility, security settings, and provide documentation of the final configuration. A few additional questions; Q1: Which Cisco Call Manager version and deployment model are you currently using (on-premise or cloud)? Q2: Do you need inbound calls, outbound calls, or both directions routed through Twilio? Q3: Are there specific routing rules, extensions, IVR flows, or geographic requirements that need to be implemented? Regards, Kris

@seefattechnologi

Exactly----->> I will Complete this proejct as per the given scope of work 0---Twilio-Cisco Voice Integration You will get clear communication, creative thinking, and reliable delivery without constant follow-ups. I am Passionate PHP /Full stack developer having rich experience with so many successful Tasks. Please ping me to get started and provide you great results. Thanks

@mayr81

Great fit, Twilio SIP can be connected to Cisco Call Manager to enable reliable voice communication and programmable call routing. I’ll focus on a clean SIP trunk setup using Twilio’s SIP requirements, ensuring correct codec negotiation, registration/auth handling, and dial-plan alignment with Cisco Call Manager. Then I’ll implement the call routing logic you specify (e.g., inbound/outbound routing rules, number normalization, and route selection), validating end-to-end call flow so calls traverse Cisco → Twilio (and back if needed) with the expected behavior. You’ll get clear documentation of the trunk/routing configuration and the validation steps used to confirm routing accuracy.

@godesignpk

Hi, I've reviewed your requirements for the Twilio-Cisco Voice Integration project and I'm confident we can help you set up seamless call routing. Our expertise lies in connecting different communication systems and configuring complex routing logic, ensuring your calls flow exactly as needed between Twilio and Cisco Call Manager. We'll leverage Twilio SIP to establish a robust connection and implement the call routing features to meet your specific business needs. We're rated 4.88★ across 905 client reviews, and clients like Ricardo M. from United States have praised our ability to make things right when issues arise during projects. We're ready to apply that same dedication to your integration. What are your primary goals for this call routing setup in terms of call volume and user experience? Best regards, the Team

@markupdudes

Hi, I understand you need to integrate Twilio with Cisco Call Manager to enable efficient call routing. With solid experience interfacing Twilio SIP trunks and configuring complex call routing in Cisco environments, I can ensure seamless communication flow tailored to your specific needs. Leveraging my knowledge of SIP protocols, I'll set up a robust connection that handles your call routing requirements reliably. I propose starting with a detailed review of your current Cisco Call Manager setup to align our Twilio integration strategy. We can proceed promptly to implement and test the configuration. What specific call routing scenarios do you want to prioritize in the Twilio-Cisco integration? Thanks,

@demivision

With my extensive experience in software development, particularly with Twilio and Cisco Call Manager, I am the ideal candidate for your Twilio-Cisco Voice Integration project. I have spent more than two decades in the industry developing robust, scalable, and high-performance solutions across mobile, web, and AI domains. During this time, I have deepened my knowledge of SIP protocols and honed my expertise in call routing configurations, which are paramount to your project’s success. I thrive on seeing complex requirements materialize through clean architecture and cutting-edge technology integration. As such, I will leverage my technical prowess to ensure your call routing needs are met to the tee.I can deliver reliable, secure, and future-ready systems that substantiate businesses for long term gain. Utilizing Twilio's SIP for connectivity with Cisco Call Manager will not just be a task completed; it will be optimally integrated and set up to exceed your expectations. Choosing me means entrusting your voice communication needs to a professional who not only understands the intricacies of the Twilio-Cisco integration process but also one who is committed to driving sustainable growth for your business through innovative solutions. Those two decades of invaluable experience have groomed me into a dedicated technology partner. So let's transform your ideas into reality together!

@brayanstiven5

Hello, I can help integrate **Twilio SIP** with **Cisco Unified Communications Manager (CUCM)** to provide reliable voice connectivity and implement the call routing logic you require. I have experience working with **VoIP, SIP trunking, Twilio Voice APIs, Cisco telephony, and enterprise call routing**. My approach is to configure a secure SIP connection between Twilio and CUCM, verify signaling and media flow, and implement inbound/outbound routing based on your business requirements. The implementation will include: * Twilio SIP Trunk configuration * Cisco CUCM SIP trunk and route pattern setup * Call routing for inbound and outbound calls * Codec and DTMF compatibility verification * Authentication, TLS/SRTP (if required), and firewall/NAT configuration * End-to-end testing with detailed documentation I'll also troubleshoot common issues such as one-way audio, registration failures, codec mismatches, SIP responses, and routing loops to ensure a stable production deployment. The final deliverables include the working integration, configuration documentation, testing results, and a brief handover so your team can manage the environment confidently. I'm available to start immediately and would be happy to discuss your CUCM version, Twilio setup, and routing requirements.

@mubeenm5026

With a deep understanding of the Twilio platform and its integration with Cisco Call Manager, I can bring immense value to your project. My experience in implementing SIP protocols, call routing configurations, and my proficiency in dealing with cloud technologies perfectly aligns with your requirements. Having completed similar projects successfully in the past, I am confident in my ability to deliver a fully-functional and reliable system that will meet your expectations. At Web Crest, we prioritize scalability, security, and performance in our solutions. This will ensure that not only does your upgraded voice communication system function seamlessly but also withstand future developments as your business continues to grow. I also understand the importance of transparent communication and agile project management to ensure deliverables are met on time and on budget. Beyond just the technical aspects, we at Web Crest are dedicated to providing long-term technical support for our clients. By entrusting me with this project, you're not just receiving support for this particular integration but a reliable partner for any of your future technological needs.

@tangramua

Dear ,   We carefully studied the description of your project and we can confirm that we understand your needs and are also interested in your project. Our team has the necessary resources to start your project as soon as possible and complete it in a very short time.   We are 25 years in this business and our technical specialists have strong experience in Cisco, VoIP, Twilio, SIP and other technologies relevant to your project.   Please, review our profile https://www.freelancer.com/u/tangramua where you can find detailed information about our company, our portfolio, and the client's recent reviews.   Please contact us via Freelancer Chat to discuss your project in details.    Best regards, Sales department Tangram Canada Inc.     

@efanntyo

Hi, I have experience with VoIP integrations and call-control platforms, including working with Cisco Call Manager and cloud telephony APIs like Twilio. For your project, I would design a routing flow that connects Twilio numbers or SIP trunks to Cisco Call Manager, configure the necessary SIP and dial-plan settings on both sides, and ensure that calls are correctly routed to the desired internal extensions or queues. My focus would be on secure, reliable call routing, proper handling of caller ID and failover, and clear documentation so you can maintain or extend the setup later. I’d be happy to review your current Call Manager configuration and Twilio setup, then propose a concrete integration plan and timeline. Regards

@mugencodes

Hi, I can help integrate Twilio SIP with Cisco Call Manager to establish a reliable voice communication system with proper SIP configuration and custom call routing. I have experience working with VoIP integrations, SIP protocols, telephony APIs, and backend communication workflows to ensure secure and scalable call handling. I can configure the SIP trunk connection between Twilio and Cisco Call Manager, implement routing logic, and troubleshoot call flow issues to deliver a stable solution. My focus will be on creating a clean integration that meets your routing requirements while maintaining call quality and reliability.

@iimtpradeepdash

Twilio SIP trunk integration with Cisco Call Manager usually catches teams on the SIP config: matching codecs, handling TLS or SRTP if enabled, and setting up IP-whitelisting for clean call flow. I’ve set up SIP trunks and call routing on Twilio and integrated with enterprise PBXs—including Cisco—before. I'd map out your current dial plan, configure Twilio’s SIP domain, match it with Call Manager’s trunk settings, then test inbound and outbound routes. Can you clarify if your Cisco is on-prem or cloud-hosted? That drives firewall and certificate details. Reply with access scope and I can start this week if the fit is right. Pradeep

@krupnovdenis

Hello! We can set up the Twilio–Cisco call routing integration for you. 1. What call routing rules do you want to implement first? 2. Do you already have SIP and Cisco Call Manager access details? — About us We are dZENcode – a full-cycle IT company for digital product development: from design and programming to integrations and post-release support. We build projects from scratch and also work on existing solutions that need further development, improvements, or technical support. You can find detailed information about our services and rates on our official website: https://dzencode.com. Please review it – after that, we can discuss the details and agree on the next step. ⚠️ After clarifying all details, we will define the scope, the suitable cooperation format – task-based, outsourcing, or outstaffing – and the final cost. Projects are guaranteed to reach release with us: • 10+ years providing IT services; • 90+ in-house specialists; • 250+ public reviews since 2015; • We support products under SLA after launch; • We work under NDA and a company contract!