
BT One Phone Is Closing. Retain Your Mobile Service with a Like-for-Like Replacement.
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With Mobile+





Nothing changes for your users. Everything improves for your business.
Mobile+ UCaaS SIM and eSIMs
Any landline or mobile DID can be assigned to the SIM, giving it the business identity you use with an existing desk phone or UC app. Now the company-owned mobile phone becomes a native extension of the Mobile+ UC platform, just like any business landline.
Enabling employees to connect seamlessly into the Mobile+ UC with the mobile devices they already carry, such as Bring Your Own Device(BYOD) smartphones

UCaaS Mobile App
The Mobile+ mobile app lets you make and receive business calls on any mobile, with all calls and features managed centrally in your Mobile+ UC portal.
Calls to and from from the app are always over the mobile voice network, unlike VoIP apps. Our unique technology allows us to bridge the gap between resilient, high-quality calls and the features that a VoIP app can bring.

Office based UC solutions
Make and receive calls from your laptop or computer using a simple softphone app.
Mobile+ integrates with most desk phones supplied by BT. It should be possible for us to switch your phone without any physical interaction.

What happens next?
Your migration is managed through a clear, structured process:
- Configuration Review
- Like-for-Like Confirmation
- Cost Comparison & Quote
- Agreement
- SIM / eSIM Activation
- Go Live
A dedicated migration manager supports you — and your service stays live throughout.
Frequently Asked Questions
Can't find what you're looking for We're here to help.
Is my data protected when using PiPcall Limited's services?
Yes, PiPcall Limited complies with all applicable data protection laws, ensuring your personal data is securely managed. For more details, please refer to our Privacy Policy on the PiPcall Limited website.
What should I do if I experience network outages?
PiPcall Limited provides data services through a network of trusted roaming partners. While we strive to provide continuous service, outages may occur. In case of a service disruption, we will work to restore connectivity as quickly as possible. Our system is designed with robust fallback mechanisms to minimise downtime.
What is Mobile+?
Mobile+ is our revolutionary service that pairs a second number delivering high quality calls over the voice network with enhanced UC (unified communications) features typically only seen on VoIP solutions.
Why do your staff no long need to carry two mobile phones?
PiPcall has been designed to have minimal impact when used on personal mobile phones making it perfect for BYOD.
- Uses little to no data for calls
- Personal call minutes can be protected with ring back
- Battery and CPU usage is minimal
- Custom ringtones for when PiPcall calls
- Significant cost saving compared to buying hardware
What is BYOD and why is PiPcall a perfect BYOD solution?
BYOD (bring your own device) is an organisational policy that permits employees to use their own personal devices for work-related tasks.
PiPcall allows businesses to give their employees a business mobile phone service via a mobile app. The app comes with a mobile number, data, a calling and SMS plan. The app also offers advanced calling features unavailable on mobile phones like call recording and call transfer.
Employees benefit from having all business calls, contacts and messages separated from their private information and because there is no need to carry two mobile phones.
What is the difference between PiPcall and a traditional softphone app?
The key difference between PiPcall and other calling apps is we use the GSM mobile network for calls and not VoIP or Wi-Fi. This makes calls out of the home or office more stable and less likely to drop or introduce delays.
PiPcall is a softphone app. Why is the call quality so high?
Voice calls on the PiPcall app are mobile calls. This means all PiPcall calls are made over the mobile voice network just like a normal mobile call and not over the internet like a mobile data call or a Wi-Fi call.
What about international calls?
Administrators can easily control a users ability to make international calls via the admin portal. You can make significant savings on international calling through Mobile+, Get in touch for a complete price list.
Does the app use data?
The call itself uses no data as calls from the are made over the mobile voice network. It does use a small amount to connect the call , the data used to connect a call is equivalent to one SMS message or 2 bytes of data.
What is PiPcall?
PiPcall is a new alternative to businesses supplying mobile phones to staff or, buying SIM cards for existing handsets for staff to use. It is a mobile app available on Android and iOS. Just like a mobile phone the app comes with a mobile number, data, call and SMS plan and dedicated contacts directory, voicemail, dialler.
Ready to Review Your Migration?
To prepare your like-for-like assessment and cost comparison, we need a few details about your current setup.