# LinkUp
> Acrobits LinkUp – turnkey white-label softphone solution

LinkUp by Acrobits is a turnkey white-label softphone app for VoIP service providers.

## What is LinkUp?
LinkUp is a turnkey [white-label softphone](/voip-glossary/white-label-softphone/) solution by Acrobits, designed for VoIP service providers who want to launch a branded mobile communication app quickly. It includes pre-built iOS and Android apps, push notification infrastructure, and a provisioning portal.

## Who is LinkUp for?
LinkUp is ideal for CSPs, ISPs, ITSPs, and MVNOs who need a production-ready softphone under their own brand without the cost and time of custom development. Providers customize branding, features, and server configuration through the [Acrobits management portal](/cloud-softphone/).

## Key features
LinkUp includes [VoIP push notifications](/voip-glossary/voip-push/), [HD Voice](/voip-glossary/hd-voice/), video calling, messaging, [SRTP](/voip-glossary/srtp/)/[TLS](/voip-glossary/tls/) encryption, call recording hooks, and support for multiple [SIP](/voip-glossary/sip/) accounts.

## Related Terms
- [Softphone](/voip-glossary/softphone/)
- [White-Label Softphone](/voip-glossary/white-label-softphone/)