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About sip:phone Connect

sip:phone Connect is a Unified Communication Client brought to you by Sipwise GmbH, the open source soft-switch vendor.


IMPORTANT NOTE:
sip:phone Connect requires an existing account on the ce.demo.sipwise.com Server. IT DOES NOT WORK properly on arbitrary SIP providers or Sipwise deployments!


HIGHLIGHTS:
• Secure VoIP softphone for voice and video.
• Encrypted SIP communication for secure calls
• Recent Calls List
• Full support of in-call features (mute, speaker phone, hold, DTMF, ...)
• DNS SRV Support for SIP
• Auto-Discovery of contacts in your address book.
• List of favorites with presence state and possibility of call-pickup
• Max two contemporary calls are supported
• Call transfer and call conference
• Push notifications


IMPORTANT VOIP OVER MOBILE/CELLULAR DATA NOTICE:
Some mobile network operators may prohibit or restrict the use of VoIP functionality over their network and may also impose additional fees, or other charges in connection with VoIP. You agree to learn and abide by your cellular carrier's network restrictions. Sipwise GmbH will not be held liable for any charges, fees or liability imposed by your carrier for use of VoIP over Mobile/Cellular Data.


EMERGENCY CALLS:
The sip:phone Connect application delivers calls on a best-effort basis to the service you are signed up with. As a consequence, the sip:phone application is not intended, designed, or fit for placing, carrying or supporting Emergency Calls. Sipwise GmbH will not be liable for any costs or damages arising either directly or indirectly from the use of the software for Emergency Calls. Using sip:phone as a default dialer may interfere with dialing emergency services.

sip:phone Connect details

sip:phone Connect is a free Communication app for Android with 10+ installs on Google Play. It was released on June 5, 2026 and last updated on September 3, 2026. It's developed by Sipwise. It requires Android 12 or later.

Category
Communication
Installs
10+
Price
Free
In-app purchases
No
Ads
No ads
Current version
1.0.2
Requires Android
12
Content rating
Everyone
Released
June 5, 2026
Last updated
September 3, 2026
Developer
Sipwise

What’s new in sip:phone Connect

* Added pull to refresh to phonebook and contacts * The phonebook now shows also the company numbers * Improved client-server authentication session management

Version 1.0.2 · Updated September 3, 2026

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sip:phone Connect vs. alternatives
App Rating Price Installs Last updated
sip:phone Connect – Free 10+ Sep 3, 2026
Sina GM – Free 1+ Sep 1, 2026
Junge Wirtschaft Vorarlberg – Free 10+ Aug 6, 2026
Sona UC – Free 50+ Jun 11, 2026
ASSHA - CMTF – Free 100+ Sep 5, 2026
Contacts – Free 1,000+ Aug 19, 2026
Helpline Welfare – Free 5+ Sep 8, 2026