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  • Digital Voice
  • Cloud IP PBX
  • SIP Trunking
  • Features
  • IP Phone
  • Siper
  • Login
  • SIPER
    Free VoIP App for Business Communication. Extend your office extension to your mobile device and save more than 90% in roaming charges.
    SIPER
    Free VoIP App for Business Communications
    Learn more

Great companion to go with your office line

A Must-Have App

Take the power of your favorite desk phone with you – at work, at home or anywhere in-between.

Amazing Features !!

High Quality Audio

High-quality codecs, Echo cancellation, & Call quality indicator

Multi-device

Move the active calls between devices (Deskphone-to-Siper)

Mid-call features

Call Transfer, Hold/Resume, Mute, Conference

Multi-platform

Available in Android, iOS*, Window*, and Mac*

Contact Management

Add, Modify, or Delete phone contact. Call log management

In-house support

Siper is fully supported by in-house developers

"Make & receive calls, Call Transfer, Conference and many more.."

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Great Reviews

Easy to install

“Easy setup, just keys in three parameters and I can start to make calls right away..”, Mr. Khong – SOAS Pte Ltd

No more missed calls

“I never miss a call anymore with Siper. I can contact my clients even when I am overseas.”, Ms. Lyn – Fernsoftware

Great Savings

“Give me great saving when roaming oversea..”, Mr. Alan Koh – ALRIC Group

Good Quality

“Good quality, can’t tell is a VoIP call”, Ms.Charmaine – Ethosparthers

Download App

Visit Google play store, or Apple app store to download the app. Is completely free !!

Register for a SIPER account

Click <here> to register for an account

Sign in and call

Login in with the Siper account and you can start to enjoy excellent quality VoIP calls on your mobile phone.

Have a project you'd like to talk about?

Speak to our consultants today !!

Contact us

Tel: +65 6817 0480 Fax: +65 6817 0481 Email:sales@voxclaire.com Address: 101 Thomson Road, Unit 06-01, United Square Singapore 307591 Copyright 2021. All rights reserved.