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Overview

Features & Capabilities

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.

User Growth & Download Statistics

App
By:
Sviatoslav Volodymyruvych Litynsky Private Enterpreneur
Rating:
3.70
(3)
3.70
Version:
4.0 Last updated: 2025-09-04
Version code:
842793386
Creation date:
2012-09-13
Compatible devices:
Size:
11.65MB
URLs:
Website ,Privacy policy
Full description:
See detailed description
Source:
Apple Apps Store
Data ingested on:
2026-07-17
Compare stats and ranking:

Contact the developer

Chrome-Stats does not own this Apple app. Please use these information below to contact the Apple app developer.
Developed by:
Sviatoslav Volodymyruvych Litynsky Private Enterpreneur
Apple Apps Store
https://apps.apple.com/us/app/abtovoipclient/id527208668
Website:
http://www.voipsipsdk.com

User Reviews

I will be on an active session and every single time my alarm or timer goes off, the connection freezes, and doesn’t let me do anything without closing the app from the app switcher and starting over. Decide from that, it works great.
by Te*****, 2025-12-23

Our team use the SDK of this team and it’s very useful. In other order, we have an issue with IPv6 and T-Mobile with the SDK that can’t register. If you can help us, will be a great help. Best regards.
by Ma*****, 2021-08-24
View all user reviews ›

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