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Screenshots

  • SIPBlue 2.0 screenshot 1
  • SIPBlue 2.0 screenshot 2
  • SIPBlue 2.0 screenshot 3
  • SIPBlue 2.0 screenshot 4

About SIPBlue 2.0

SIPBlue 2.0 is the business phone that goes wherever you do. Make and receive HD voice and video calls, send and receive SMS and MMS, and message your team, all from one clean, intuitive app on your iPhone. At your desk, on the road, or working from home, your business number and everything attached to it comes with you. BUILT FOR THE WAY YOU WORK • HD voice and video calling with crystal-clear audio • Two-way SMS and MMS from your business number • Instant messaging for quick team collaboration • Complete call history: incoming, outgoing, and missed calls at a glance • Full dialpad, contacts, and recents in a single window SET UP IN SECONDS Scan a QR code and you're signed in. No manual configuration, no support ticket. Prefer to enter your own SIP credentials? That works too. Choose SMS, Voice, or both, and SIPBlue 2.0 configures itself to match. NEVER MISS A CALL Incoming calls and messages ring through with push notifications, even when the app is in the background. Missed something? Your call history shows exactly who called, when, and whether you picked up, so you can get back to them in one tap. FOR MSPs AND IT TEAMS SIPBlue 2.0 is built to deploy at scale. Auto-provisioning and QR-code onboarding let you roll out an entire team without touching a single device, and users are productive within minutes. Connect to your QuestBlue services using the domain, port, and transport settings from your QuBePBX. Fewer setup calls, happier clients. ONE APP, EVERY DEVICE SIPBlue 2.0 is available for iPhone, Mac, Windows, and Android, so your team stays connected on whatever device they're using. Download SIPBlue 2.0 and take your business phone with you.

Ratings & reviews

4.3

7 ratings

5 ★ 71% 4 ★ 14% 3 ★ 0% 2 ★ 0% 1 ★ 14%

What’s new

Version 3.0.0 · Updated September 30, 2026

SIPBlue 3.0 is a complete rebuild of the app. • Redesigned interface across phone, tablet and desktop • Rewritten calling engine — faster connection, more reliable audio, improved video calls • Improved text and picture messaging • Reworked contacts, call history and availability status • Call transfer and conference improvements • Many stability and performance fixes Because the app was rebuilt from the ground up, you will be asked to sign in again after updating.

App privacy

The developer, QuestBlue Systems, Inc, reported these privacy practices to Apple.

Data Not Collected

The developer does not collect any data from this app.

Alternatives to SIPBlue 2.0

Looking for apps like SIPBlue 2.0? Here are 6 similar apps on the App Store. The highest rated is VitalPBX Connect (5.0/5), and all 6 are free to download.

SIPBlue 2.0 vs. alternatives
App Rating Price Last updated Compare
SIPBlue 2.0 4.3 / 5 (7 ratings) Free September 30, 2026
vPBX Softphone – Free Sep 8, 2026 Compare
GDMS 4.7 / 5 (7) Free Aug 5, 2026 Compare
VitalPBX Connect 5.0 / 5 (7) Free Jan 15, 2026 Compare
GWN 3.8 / 5 (4) Free Aug 27, 2026 Compare
DREMCmobile 2.5 / 5 (24) Free Sep 24, 2026 Compare
2ndphone-Private Calls & Texts 4.5 / 5 (152) Free Jan 8, 2024 Compare

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