AbtoVoIPClient

Sviatoslav Volodymyruvych Litynsky Private Enterpreneur Utilities iPhoneiPadiPod touch

AbtoVoIPClient is a free Utilities app for iPhone and iPad by Sviatoslav Volodymyruvych Litynsky Private Enterpreneur. Rated 3.7/5 from 3 ratings.

Rating: 3.7; 3 ratings
Price: Free; on the App Store
Size: 12 MB; Age 4+
Updated: Sep 4; 2025 · v4.0

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About AbtoVoIPClient

ABTO Software's VoIP SIP softphone. Can be used to call sip numbers and landline numbers (if sip provider has this option). Features: voice calls; video calls; text chat (based on SIP MESSAGE request); works with all popual SIP servers, including Asterisk/FreeSwitch; make direct calls between clients without SIP server; allows to use UDP/TCP/TLS protocols for SIP transport; ability to make secure calls using SRTP/ZRTP; supports STUN/ICE; IPv6 support; CallKit - native incoming call UI and system integration of VoIP calls; 2 simultaneous calls; call conferencing; attended transfer.

What’s new

Version 4.0 · Updated September 4, 2025

- CallKit for VoIP calls integration with iOS: native incoming call UI, system become aware of VoIP calls, contact selected ringtone, etc - Multiple calls support: enabled 2 simultaneous calls - Attended transfer - Redesigned call screen - Minimum supported iOS version raised to 15 - Small fixes: IM suggestion table selection, IM screen on iPad, icons

App privacy

The developer, Sviatoslav Volodymyruvych Litynsky Private Enterpreneur, reported these privacy practices to Apple.

Data Not Collected

The developer does not collect any data from this app.

App details

AbtoVoIPClient is a free Utilities app for iPhone, iPad and iPod touch, developed by Sviatoslav Volodymyruvych Litynsky Private Enterpreneur. It is rated 3.7 out of 5 from 3 ratings on the App Store, requires iOS 15.6 or later and is 12 MB to download. It was first released on September 12, 2012 and last updated on September 4, 2025.

Category: Utilities
Rating: 3.7 / 5 (3 ratings)
Price: Free
Version: 4.0
Size: 12 MB
Requires: iOS 15.6 or later
Compatibility: iPhone, iPad, iPod touch
Languages: English
Age rating: 4+
Released: September 12, 2012
Last updated: September 4, 2025
Developer: Sviatoslav Volodymyruvych Litynsky Private Enterpreneur

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Listing score

Our ASO checklist, run on this App Store listing.

Grade C

Average rating (3.7): Low. Many people skip apps under 4 stars.
Number of ratings (3): More ratings make the average more convincing.
Last update (Sep 4, 2025): 414 days ago.

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Alternatives to AbtoVoIPClient

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

AbtoVoIPClient vs. alternatives
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