# We are VoIP 3CX Number Porting Service *Published:* 2026-07-13 *Author:* Ted Keeping your existing business numbers is often the deciding factor in a 3CX move. [We are VoIP](https://wearevoip.us/) provides 3CX number porting service for small to mid-size businesses with more than 5 employees that need to change carriers, move an on-premise phone system into the cloud, or launch a new 3CX setup without disrupting inbound calling. As a [3CX reseller](https://wearevoip.us/3cx-reseller-for-smbs/), 3CX hosting partner, and 3CX service provider, We are VoIP handles the practical work around number moves inside 3CX. That includes SIP trunk planning, DID routing, carrier coordination, and cutover support so your numbers keep reaching the right extensions, ring groups, queues, or digital receptionist. 3CX number porting service for businesses that cannot afford missed calls ------------------------------------------------------------------------- A 3CX number port is not only a carrier task. In 3CX, your phone numbers need to land on the right SIP trunk and then be routed correctly inside the phone system so calls keep flowing to the right people and call paths still work after the move. We are VoIP helps businesses port numbers into a new SIP trunk provider or re-point an existing SIP trunk when a full carrier change is not necessary. That gives you a cleaner way to preserve published numbers while improving how 3CX handles inbound and outbound calling. > “We are VoIP handles the 3CX work that follows the port, including adding DID numbers to the trunk and routing them to extensions, queues, or a digital receptionist.” Porting also comes with rules and coordination requirements. Interconnected VoIP providers are required to facilitate valid number portability requests without unreasonable delay, and We are VoIP uses that framework to help customers move numbers in a controlled way instead of guessing through the process. When the port is planned correctly, your team keeps its familiar numbers, your customers keep calling the same lines, and your 3CX system stays aligned with the trunk and routing design behind those numbers. We are VoIP helps 3CX customers moving from on-premise to cloud or switching SIP carriers ----------------------------------------------------------------------------------------- Many number porting projects start because the current setup no longer fits the business. Some companies are leaving an on-premise 3CX deployment, some need new hosting, and others want better trunk pricing or better support for porting and local numbers. We are VoIP works with businesses that have in-house IT and businesses that do not. If your team can manage day-to-day technology but wants specialist 3CX help for a port, migration, or trunk change, We are VoIP can take over the parts where version checks, routing details, trunk settings, and cutover timing matter most. For cloud migrations, We are VoIP follows a practical pattern that keeps the current on-premise system live while the cloud system is built in parallel, then switches call paths at a planned time. That approach reduces the chance that a number move turns into a voice outage. > “We are VoIP can keep an on-prem 3CX system live while a cloud system is built in parallel, then switch call paths at a planned time.” This service is especially useful when your business needs to keep established phone numbers while changing one or more of the pieces behind them, including the carrier, trunk configuration, hosting environment, or the 3CX license itself. What We are VoIP manages during a 3CX number porting project ------------------------------------------------------------ A successful port has two sides: carrier movement and 3CX configuration. We are VoIP manages both sides so the numbers do not arrive at a system that is unprepared to receive them. Typical 3CX number porting work can include: - **Current-state review:** Checking your existing carrier, SIP trunk setup, DID inventory, and how numbers are currently routed in 3CX. - **Porting path selection:** Deciding whether the right move is a new carrier port, a re-pointed existing SIP trunk, or a port tied to a larger cloud migration. - **3CX configuration updates:** Adding DID numbers to the trunk and mapping them to extensions, ring groups, queues, or a digital receptionist. - **Cutover coordination:** Testing inbound and outbound calling, confirming routing behavior, and planning the switch so your staff knows what will happen and when. When porting is part of a migration, We are VoIP can also support the backup-and-restore work around the 3CX system, along with the networking and trunk setting changes that need to be tested before cutover. That turns a risky voice-system move into a more controlled project with fewer unknowns. > “We are VoIP offers a fixed-price $49 3CX system checkup before a porting or migration project.” The result is not just that your numbers move. The result is that your numbers continue to work inside the [3CX call flow](https://wearevoip.us/3cx-call-flow-design-service/) your business depends on. 3CX SIP trunk selection and DID routing that reduce porting issues ------------------------------------------------------------------ 3CX depends on a SIP trunk provider to connect your system to the PSTN, so the provider choice affects both call flow and porting difficulty. We are VoIP helps customers make that choice based on 3CX fit, calling pattern, and porting practicality rather than picking a trunk first and solving the problems later. That matters because supported SIP trunk providers are generally easier to configure in 3CX, while unsupported providers can require extra work and may not have 3CX assistance behind them. We are VoIP uses that reality to guide customers toward trunk options that match the technical requirements of the deployment. Cost matters here too. A SIP trunk can look affordable at first and become expensive if it handles porting poorly or charges heavily for local numbers, so We are VoIP reviews the trunk decision as part of the business case, not as an isolated technical setting. If you are comparing carriers, trunk providers, or hosting options at the same time, We are VoIP can help keep those decisions connected so the number port supports the full 3CX environment instead of creating new issues after go-live. Timing, pricing, and what to expect from a 3CX number port ---------------------------------------------------------- Port timing depends on the current carrier, the accuracy of the number records, the type and quantity of numbers involved, and whether the move is a straight port or part of a larger 3CX migration. We are VoIP gives customers a practical view of those dependencies so the project can be scoped around real conditions instead of assumptions. Pricing also needs to be clear. Some ports can involve one-time fees per number, and the full 3CX budget may also include the annual license, hosting, trunk service, and devices depending on your setup and whether you are rebuilding part of the system at the same time. A few factors usually drive both timeline and cost: - **Carrier complexity:** Some providers process ports faster and with fewer obstacles than others. - **3CX routing complexity:** Ports that affect multiple DIDs, queues, ring groups, or receptionist flows require more validation. - **Migration scope:** Moving from on-premise to cloud adds testing, trunk changes, and cutover planning beyond the port itself. We are VoIP uses the porting project to surface those details early, which makes it easier to avoid surprise charges, routing gaps, or last-minute changes on the day your numbers move. When We are VoIP is the right fit for 3CX number porting -------------------------------------------------------- We are VoIP is a strong fit if your business already runs 3CX or is about to buy a new 3CX license and wants help keeping existing numbers during the transition. The service is also a good fit if you are unhappy with the current carrier, want hosting options, or need outside support because your internal team does not want to manage the full port and cutover process alone. Companies often choose We are VoIP when they need more than a basic carrier request. They need someone to review the live 3CX setup, connect the port to the right SIP trunk plan, preserve DID routing, and support the move if the business is also changing hosting or system architecture. Because We are VoIP already works across 3CX licenses, hosting services, and one-time 3CX system checkups, customers can use one provider to plan the port and the system changes around it. That is useful when the business wants a cleaner path from legacy setup to cloud 3CX, along with room for later optimization such as reporting or newer 3CX features. Start with a 3CX porting review ------------------------------- If your business needs to keep its phone numbers while changing carriers, moving 3CX into the cloud, or replacing an older setup, We are VoIP can help map the safest path. The goal is simple: keep your numbers, keep your call flow, and avoid turning a port into an outage. A practical first step is the fixed-price $49 3CX checkup. Use it to review your current system, identify the likely porting path, and understand what needs to change in 3CX before your numbers move.