If you have employees who travel for work, you have either paid international roaming fees or watched them refuse to answer the phone for a week. Neither is good. Pro Mobile from VoIP International runs as a native SIM or eSIM on the employee's phone, includes Roam Like at Home across 39 countries, and shows your business number as caller ID whether they are in Tampa or Tokyo.
We built Pro Mobile because the alternatives all had a tradeoff someone had to live with. International roaming bills from US carriers are unpredictable and expensive. Buying a local SIM at the destination means a different phone number every trip. Calling apps work on hotel WiFi until the WiFi cuts out mid-meeting. Pro Mobile is the version that just works - a real cellular line that follows the user across borders.
How Roam Like at Home actually works
Pro Mobile is not a calling app. It is a real cellular line provisioned on a SIM or eSIM that you load onto an existing phone. When the employee travels to a supported country, their voice, text, and data all work at home-network rates. No surcharge popups, no dialing in country codes, no asking IT to flip a setting.
Supported countries today:
Austria, Belgium, Bulgaria, Canada, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Gibraltar, Greece, Guernsey, Hungary, Iceland, Ireland, Isle of Man, Italy, Jersey, Latvia, Lithuania, Luxembourg, Malta, Mexico, Netherlands, Norway, Poland, Portugal, Puerto Rico, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, United Kingdom, United States.
What "home rates" actually means
The employee's voice minutes, SMS, and data allotment from their plan all apply in the supported country. A user on the $48 plan in Madrid sees the same data behavior they see in Miami. They are not throttled at 50 MB then charged $10/MB after. They are not blocked from outbound calling. They are not handed an alert that warns of surcharges. The bill at the end of the month is what they paid last month at home.
What changes when they cross a border
Nothing the user has to do. The phone connects to the local partner network automatically. Calls placed from the device still show the business number as caller ID. Calls to the business number still ring the device. SMS works the same. Data works the same. There is no app to open, no toggle to flip, no "international mode" setting buried three menus deep. If the user lands in Berlin and turns the phone off airplane mode, the phone works exactly the way it did at the airport in Newark.
Pro Mobile pricing
Four plans, all per user per month, all include unlimited US/Canada talk and text:
- $42 - entry tier with full PBX integration
- $48 - more mobile data
- $54 - high-data tier for road warriors
- $62 - premium with the most data and priority routing
All four tiers include Roam Like at Home in the 39 supported countries above. Full details on the Pro Mobile page.
Which tier to pick
The right plan is the smallest one that does not throttle the user. A few rules of thumb:
- $42 tier: Office-based users who occasionally take calls on the road. Low data needs.
- $48 tier: Most sales and field roles. Enough data for maps, email, and the occasional video call.
- $54 tier: Heavy mobile users, frequent travelers, anyone running cloud-based tools all day on cellular.
- $62 tier: Executives, road warriors, anyone who hot-spots their laptop daily.
You can mix tiers across the team. We will help you set the right starting point and adjust if usage data shows someone is on the wrong plan.
What it replaces
Most customers use Pro Mobile to retire one of three things:
- The cell phone allowance. Stop reimbursing $75 to $100 a month for an employee phone you cannot manage. Pro Mobile is the business line - the employee can keep their personal number on a separate eSIM. We wrote up the full math on replacing cell phone allowance.
- The second phone. Field techs and sales reps no longer carry a personal phone plus a work phone. One device, two lines.
- The calling app workaround. Softphone apps work, until the user is on bad WiFi or has the app force-quit overnight. Pro Mobile rides on the cell network like any other call.
It plugs into the rest of the phone system
Pro Mobile is a full extension on your VoIP International PBX. That means:
- Calls to the office main line ring the mobile if the desk phone is unanswered
- Outbound caller ID shows the business number, not the personal line
- Voicemail goes to the same inbox as the desk extension
- Hunt groups, call queues, and auto-attendant route to it like any other extension
- Microsoft Teams users can use Teams calling on top of the same Pro Mobile line
- SMS to and from the business number works the same way it does on a desk phone with messaging
- Call recording, if enabled, follows the line whether the call is answered at a desk or a mobile
Who buys it
The pattern is consistent across industries. Anyone whose work happens off-desk benefits:
- Outside sales teams - calls land on the rep's phone, caller ID stays consistent
- Field service crews - dispatch through the PBX, talk to customers from one number
- Property managers running multi-location portfolios - extensions follow the person
- Executives and owners who travel internationally without wanting a separate carrier abroad
- Real estate agents working in markets where customers expect a callback within minutes
- Contractors and tradespeople whose customers should never see their personal cell
- Consulting firms with billable hours that cannot be lost to bad mobile signal
HIPAA and compliance
For healthcare and other regulated industries, Pro Mobile calls ride the same encrypted infrastructure as the rest of our platform. We sign BAAs. If you are running a clinic, see the healthcare practice phone system page or, for dentistry specifically, the dental practice page.
Real-world scenarios
To make this concrete, here are situations where customers tell us Pro Mobile paid for itself in the first month:
- Sales VP at a trade show in Barcelona. Took 14 customer calls over four days. Outbound caller ID stayed consistent. No surcharges. No "sorry I missed you, was traveling." The deal that closed the following week tied back to one of those calls.
- Field service tech in a basement crawl space. Office tried to ring the desk extension, then hunt-routed to the mobile. Tech picked up from underneath the customer's house. Job updated in ServiceTitan in real time.
- Property manager driving between buildings. Tenant emergency call hit the property line, routed through the PBX, ringed the property manager's Pro Mobile. Logged in AppFolio as a call event on the unit's record.
- Healthcare practice owner on vacation in Ireland. Insurance carrier called about a prior auth that needed quick approval. Pro Mobile rang, doctor answered, prior auth handled in eight minutes from a cliff in County Clare.
Honest caveats - what Pro Mobile does not do
We do not oversell. A few real limits to know up front:
- Roam Like at Home is 39 countries. If your team travels to Japan, Brazil, or anywhere not on the list, voice and data still work but they fall to standard international roaming rates. We will tell you the rates per destination before you go.
- Data speeds may step down after a fair-use threshold. Most plans throttle high-data users in-country to keep abusers from cratering the network for everyone else. This is normal for any cellular carrier and rarely affects normal business use.
- It is a real SIM, not a soft line. You still need a compatible phone (any modern iPhone or Android works). For eSIM, the device must support it - most phones from the last four years do.
- SMS in some countries has carrier-specific rules. A few countries restrict A2P (application-to-person) messaging. Mostly irrelevant for normal business use but worth flagging if your workflow includes automated SMS.
- Coverage depends on the local partner network. In rural areas of supported countries, coverage maps look the same as any local carrier. Pro Mobile does not magically improve signal in a remote village.
- Number is a US DID by default. If you need an in-country DID (e.g., a UK number for a UK-resident employee), look at SIP Trunking for international number provisioning. Pro Mobile is great for travel; international DIDs are better for in-country presence.
What to ask before you switch carriers
- Which countries do your travelers actually visit? Map them against the supported list. If 90% of trips are inside the 39, Pro Mobile is the right call.
- Are users on iPhone, Android, or both? Both work. eSIM-capable phones are easier to provision because you do not need to ship a physical SIM.
- Do they need to keep a personal line? Most modern phones run two SIMs (one physical, one eSIM). The business line is one, the personal line is the other. Customer sees business; spouse sees personal.
- Do you want centralized billing? Pro Mobile rolls into your VoIP International bill with the rest of your phone service. One invoice, not three.
- How fast can you provision a new line? For an eSIM-capable device, it is same-day. Physical SIMs ship overnight.
- What is the porting story if I want to leave? Numbers are portable. We do not hold them hostage.
- What kind of support do international travelers get? Our support team is in Ocoee, FL, on US hours. Most international issues do not need a 3 AM hotline.
Common mistakes companies make with mobile lines
- Letting employees use personal numbers for work. When the rep leaves, the customer relationship leaves with them. The business number stays with the business.
- Paying for an unmanaged stipend. $75 a month per employee that the company never sees a bill for. No audit trail, no compliance recording option, no continuity when the employee leaves.
- Buying separate international plans for travelers. A US business carrier with global roaming surcharge tacked on costs more than Pro Mobile and is harder to manage.
- Using a softphone app as the only mobile option. Apps drop calls when WiFi flakes. Pro Mobile is a real cellular line that does not depend on WiFi at all.
- Forgetting eSIM compatibility. Older Androids and budget devices may not support eSIM. Audit the fleet before promising eSIM-only deployment.
- Not setting expectations with travelers. Even with Roam Like at Home, customers should know which countries are covered and which are not. A quick internal FAQ saves help-desk tickets.
Provisioning a Pro Mobile line - step by step
For an eSIM-capable phone, onboarding takes about 15 minutes:
- Admin creates the user in our portal and assigns a Pro Mobile plan
- User receives an email with a QR code for the eSIM
- User scans the QR code on the phone, accepts the prompt
- The eSIM activates within minutes
- The user's existing personal SIM stays in place as the second line
- Business outbound calls use Pro Mobile; personal outbound calls use the personal SIM
For a physical SIM, the only difference is a SIM card shows up in the mail and the user pops it in.
What to ask a Pro Mobile reference customer
If you can talk to another business already running Pro Mobile, the answers worth getting:
- How long did porting numbers from the previous carrier take, and were there any hiccups?
- What does coverage feel like in the regions and countries you actually travel to?
- How do you handle phones for employees who leave - is deprovisioning fast?
- Are call drops noticeably better than the previous carrier?
- How responsive is support when something does go wrong?
What changes for finance
One bill, predictable line items, no surprise international charges. Finance teams that have been chasing roaming overages from random employee trips usually appreciate the switch more than the employees do. The total cost of mobile lines becomes a budgetable number instead of a moving target.
Where to start
Tell us how many travelers, how often, and where they go. We will tell you which Pro Mobile tier makes sense and what porting numbers off your current carrier looks like. Compare it side by side with what you pay today on the pricing page, or contact us for a real quote. If you want to see how this fits sales-heavy teams, our sales teams page walks the full setup. For field operations, the field service page covers the dispatch side.