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Mobile SIP Dialer Solution

White-Label Mobile SIP Dialer for Branded Business Communication

A White-Label Mobile SIP Dialer that brings HD voice, video, chat, and SMS into one branded softphone app. Connect it to your existing PBX and give your customers a reliable White-Label SIP Dialer that works across devices and networks.

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Free white-label branding consultation · 24-hour response

Trusted since 2010

iOS · Android · Desktop · Web

Encrypted call
Your brand
AL
Alice Morgan
HD call · 04:12
Mute · Hold · Transfer · Record
See it in your brand color

White-label dialer

iOS & Android

SIP / PBX ready

Voice, video, chat & SMS

Custom branding

Trusted by Global Clients

telware (1)
elige-africa-1
paratus
logo
toku
Years in VoIP engineering
0
Projects delivered
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Regions served
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Happy customers
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The shift

From Scattered Calls to One Branded App

Flip the switch to see exactly what changes.

Without a mobile dialerWith your branded dialer
Caller identityEvery call carries your brand
ReliabilityClear calls across networks
OversightRecording and CTI built in
ContextClient profiles and history
ToolsVoice, video, chat, SMS in one app
Cost & ownershipOwn it, unlimited users
How it works

From Your Infrastructure to a Branded App, in Four Moves

See how your existing SIP infrastructure becomes a White-Label Mobile SIP Dialer, from connection and branding to deployment and calling.

1ConnectRegister to your SIP server or PBX
2BrandApply your logo, colors, and domain
3DeployShip to every device at once
4CallVoice, video, chat, and SMS
Connecting
SIP · yourpbx.com
SIP account ✓Codecs ✓Encryption ✓
B
Your Brand
yourbrand.app
Logo · Colors · Domain
Available everywhere
iOS · Android · Desktop · Web
Rolled out
AL
Alice Morgan
HD call · 04:12
Encrypted · TLS / SRTP

Connect in minutes, not weeks

Connect your SIP server or PBX with simple cloud provisioning. Your Mobile SIP Dialer can be configured remotely, reducing manual setup and getting your communication system up and running faster.

✓ You get: A ready-to-use SIP connection without manual configuration.

Make it unmistakably yours

Turn your White-Label SIP Dialer into a fully branded experience with your logo, colors, and domain. Create a Branded SIP Softphone that gives customers a consistent experience across every touchpoint.

✓ You get: A market-ready White-Label Softphone App built around your brand.

One release, every device

Deploy your Custom Mobile SIP Dialer across iOS, Android, Windows, and macOS, or offer it through an installable PWA. Users simply sign in while provisioning takes care of the setup.

✓ You get: A seamless way to get your team or customers connected.

Talk, see, and message, securely

Bring HD voice, video, chat, and SMS together in one White-Label VoIP App. TLS and SRTP encryption help keep communications secure, while smart push notifications support reliable calling across networks.

✓ You get: A secure White-Label Mobile VoIP App ready for business communication from day one.
What it does

Four Capabilities, Told the Way you'd Buy Them

See what the White-Label Mobile SIP Dialer can do and the value each capability brings to your business.

TEAM CHANNEL
Client is on the line, joining now.
On it. Starting the video call.
Shared the file in the channel.
Unified communication

Voice, Video, Chat, and SMS in One App

Bring every conversation into one White-Label VoIP App instead of relying on multiple communication tools.

Feature
Voice, HD video, chat, and SMS in one branded app.
Advantage
Replace multiple communication tools with one Mobile SIP Dialer.
Benefit
Help teams communicate faster without switching between apps.
ValueReduce tool costs and give users one app they can rely on.
White-label

Your brand, your app, your revenue

Launch a White-Label SIP Dialer under your own brand without the time and cost of building everything from scratch.

Feature
Your logo, colors, and domain across the app.
Advantage
Launch a Branded SIP Softphone on a ready-made platform.
Benefit
Keep control of your app and customer experience.
ValueCreate a new revenue opportunity while strengthening your brand.
B
Your Brand
yourbrand.app
Logo · Colors · Domain
JD
John Doe
In call · recording
Record
Transfer
Conference
Hold
Call management & CTI

Enterprise call control, with context

Give users the call controls they need with customer information available when they need it.

Feature
Recording, transfer, conferencing, hold, mute, and contact sync.
Advantage
Manage calls efficiently with customer context at hand.
Benefit
Help agents work smarter and keep calls accountable.
ValueImprove productivity and make call performance easier to measure.
Secure & reliable

Protected calls, anywhere, on any device

Built for reliable business communication, your Custom Mobile SIP Dialer helps keep calls secure and connected across devices and networks.

Feature
TLS and SRTP encryption, NAT traversal, and smart push notifications.
Advantage
Support clear, secure calls even on challenging networks.
Benefit
Reduce missed calls and keep business conversations protected.
ValueDeliver the reliability and security customers expect from a White-Label Mobile VoIP App.
Encrypted
TLS / SRTP secured
Any network · Push enabled
Why it pays off

The Value Beyond the Feature List

A Mobile SIP Dialer is more than an app. It can reduce communication costs, create new revenue opportunities, and give you greater control over your customer experience.

Own it outright

Own it outright

Support unlimited users without being tied to per-seat licensing costs.

New revenue channel

New revenue channel

Offer a branded White-Label Mobile SIP Dialer to your customers as part of your own communication services.

Faster time to market

Launch a ready-to-customize White-Label SIP Dialer in weeks instead of spending months building from scratch.

Fits your stack

Fits your stack

Connect with your existing PBX, softswitch, and CRM, on-prem or cloud.

More than a phone app

Every Feature Earns its Place

Built around what your business needs to achieve, not a checklist of specs. 

Reliable Calls, Wherever You Are

Stay connected with clear, dependable calls, even when your network or location changes.

  • Advanced codecs: G.729, G.711, G.722, and more
  • Works across networks: 3G, 4G, 5G, GPRS, EDGE, and Wi-Fi
  • Works behind NAT and private IPs for flexible network setups
  • Supports softswitch, calling card, and broadcasting solutions

Easy to Manage and Scale

Get up and running quickly, without needing a dedicated technical team.

  • Cloud provisioning with little to no manual configuration
  • Admin controls to easily manage users at scale
  • Built-in music on hold and one-touch last-call redial
  • Regular updates and 24/7 support

Fits Into the Way You Work

Use your existing systems, contacts, and devices without changing how your business operates.

  • Integrates with your PBX, softswitch, and CRM
  • Make app-to-app and app-to-PSTN calls
  • Sync your address book and keep your favorite contacts close
  • Available on iOS, Android, Windows, macOS, and web (PWA), no download
Web app & PWA

Also Runs Right in the Browser

A mobile dialer is not just an app. It is an asset that lowers cost and opens revenue. 

No download needed

Open the web app in any modern browser and start calling instantly.

Installable PWA

Add the PWA to your desktop or phone home screen for one-tap access.

Full feature parity

Enjoy voice, video, chat, SMS, push notifications, and synced contacts across devices.

Always up to date

The web app and PWA update automatically, with no manual maintenance required.

yourbrand.appInstall
AL
Alice Morgan
HD call · 04:12
AL
Alice
Everything, in one place

All Capabilities, Technical and Non-Technical

Discover the full range of features built into the platform. 

Calling & CTI

  • HD voice and HD video
  • App-to-app and app-to-PSTN
  • Call recording
  • Transfer, three-way calling and conferencing
  • Hold with music on hold and mute
  • Last call redial and presence
  • Client profiles and call history

Messaging & collaboration

  • One-to-one and group chat
  • SMS
  • File sharing
  • Discussion channels
  • Address-book sync and favorites

White-label & branding

  • Your logo, colors and domain
  • Branded app on App Store and Play Store
  • Custom in-app UI
  • Reseller-ready portals

Security & compliance

  • TLS and SRTP encryption
  • Encrypted calls, chat and SMS
  • Secure cloud provisioning
  • Access controls and updates

Admin & provisioning

  • Automated cloud provisioning
  • Admin, user and reseller portals
  • User management at scale
  • Usage visibility

Platforms, networks & integrations

  • iOS, Android, Windows, macOS, Web (PWA)
  • 3G, 4G, 5G, GPRS, EDGE, Wi-Fi
  • NAT support
  • Codecs: G.729, G.711, G.722 and more
  • Smart push notifications
  • SIP, IP PBX, softswitch and CRM integrations
Need something specific? We can extend and customize the dialer from features and workflows to branding and integrations, to fit exactly how your business works. 
Talk to our experts
Before and after

Traditional Phone System Vs Your Mobile Dialer

Same team. A simpler, smarter way to stay connected. 

What mattersTraditional phone systemYour mobile dialer
MobilityDesk-bound hardwareAny device, anywhere
BrandingNoneFully white-label
ChannelsVoice onlyVoice, video, chat, SMS
Cost modelPer-line, recurringOwn it, unlimited users
SecurityLimitedTLS and SRTP encryption
ScaleHardware limitsCloud-scale
SetupManual configurationCloud provisioning
Proof That It Works

Our Case Studies

See how businesses solve real communication challenges and achieve better outcomes with our solutions. 

Secure IP PBX Solution
North America
Secure IP PBX Solution
How Inextrix’s Secure IP PBX Ensured Confidentiality for a U.S. Healthcare Provider

We are glad to support a leading U.S. healthcare provider in strengthening its communication security and compliance framework. The organization needed a reliable partner to improve confidentiality across patient interactions. With our expertise in secure IP PBX development, we delivered a customized, compliance-ready solution that improved data protection, ensured secure communication flows, and aligned seamlessly with their operational and regulatory requirements.

Industry · Healthcare
Download case study →
IP PBX
Asia
IP PBX
A Turnkey Communication Solution Provisioned With On-Site Deployment & Training​

A tailored communication solution is deployed with on-site setup and training services for MKC Infrastructure Ltd, which is one of the renowned construction and infrastructure development companies in India. The system consists of an IP PBX solution, desktop and mobile dialer support, and IP phones.

Industry · Construction & Infrastructure
Download case study →
See all case studies

What Our Clients Say

Our clients trust us for our deep VoIP expertise, technical excellence, and commitment to delivering reliable communication solutions. Read their experiences and discover how we have helped businesses achieve their goals.

Amazing group of guys to work with. After the quality of work I saw in the first project completed, we have decided to move all our development over to Inextrix. All work was completed on time and as expected. Would not think twice to recommend these guys.

Jaco Jacobs

Jaco Jacobs

Platformity

We were looking for a reliable IP PBX solution as our conventional system had a lot of limitations. I'm happy with the solution and service provided by Inextrix. They gave us scalable IP PBX software and also integrated our CRM system and automated billing solution. This system increased productivity and ROI significantly.

Naman Tahir

Naman Tahir

Vice President, 8COM Inc

Hi, I just wanted to send you guys a quick message on how great its been working with you guys on our voip development needs, in the last 3-4 years, you have been very responsive and always care about delivering the work as much as we do. Im very impressed with the high level of talent that you guys have and am grateful that I could find such dependable voip professionals that always do what they say they will. take care -Albert

Albert Montgomery

Albert Montgomery

CleverMoto

Getting to the stores

Publishing to the App Store and Play Store

The key questions businesses ask when launching a White-Label VoIP App, answered upfront. 

Will Apple and Google Approve My Branded Dialer?

Yes. We build your White-Label Softphone App to meet Apple and Google guidelines and support you through the entire review process.

Whose Developer Account Is Used?

Yours. Your Apple and Google developer accounts own the app listings, ratings, reviews, and users. We can guide the setup or publish your Custom Mobile SIP Dialer using your access.

What Do You Handle?

From Mobile Softphone Development and app branding to store assets, submission, review fixes, updates, and maintenance, we handle it all.

What Does It Cost?

You pay Apple and Google’s standard developer fees directly. Our project costs are agreed upfront, with no per-user licensing fees.

Frequently Asked Questions

What Is a Mobile SIP Dialer?

A Mobile SIP Dialer is a VoIP softphone app that turns a smartphone, desktop, or browser into a business phone using your SIP server or IP PBX. 

It supports HD voice and video, SMS, chat, file sharing, conferencing, call recording, call transfer, music on hold, mute, redial, contact sync, call history, and push notifications.

Yes. Our White-Label Mobile SIP Dialer can be branded with your logo, colors, domain, and custom UI, giving you a White-Label VoIP App you can launch and resell under your own brand.

The White-Label SIP Dialer runs on iOS, Android, Windows, macOS, and Web (PWA) and works across 3G, 4G, 5G, GPRS, EDGE, and Wi-Fi.

Yes. Calls, chat, and messages are protected with TLS and SRTP encryption, with ongoing security updates and maintenance to keep your communications secure.

Yes. The Custom Mobile SIP Dialer integrates with SIP services, IP PBX, softswitch, and CRM systems, whether your infrastructure is cloud-based or on-premises.

Yes. You own your branded SIP softphone, with no forced recurring per-user licensing. We also provide updates, support, and custom development as your business grows.

Yes. We handle store assets, submission, review fixes, and publishing under your own Apple and Google developer accounts.

Yes. We provide Mobile Softphone Development and can customize features, workflows, branding, integrations, and other technical or business requirements.

Ready to Get Started?

With decades of experience and know-how in software development essentials, we build future-proof, intuitive, and highly scalable web, mobile, and VoIP solutions. Bring ultimate success to your business with Next-Gen, Tech-Empowered Solutions.

Sales

+1 315 898 1139 (United States)

+91 93166 18150 (India)

+44 20 3769 2439 (United Kingdom)

contact@inextrix.com

HR

+91 7624079397 (India)

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    425 W Colonial Dr, Suite 303
    Orlando, FL 32804
    United States

    +1 315 898 1139

    United Kingdom

    128 City Road
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    United Kingdom

    +44 20 3769 2439

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    South Africa

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    Ahmedabad, Gujarat 380013
    India

    +91 93166 18150

    Established in 2010, we're a team of tech enthusiasts driving businesses to success with cutting-edge technology.

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