--- title: "AbtoVoIPClient - Reviews, Revenue and Downloads in United States | Apple App Store" description: "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 MES" --- # AbtoVoIPClient — United States ![AbtoVoIPClient App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/b0/fc/74/b0fc7491-365a-2670-38eb-9f21df9e827f/AppIcon-0-1x_U007emarketing-0-8-0-85-220-0.png/400x400bb.png) **Developer:** [Sviatoslav Volodymyruvych Litynsky Private Enterpreneur](https://apptail.io/developer/sviatoslav-volodymyruvych-litynsky-private-enterpreneur-sjuc) **Category:** Utilities **Rating:** 4.5/5 (2 ratings) **Price:** Free **Bundle ID:** com.abto.voipsipsdk **Store:** Apple App Store **Country:** United States **Version:** 4.0 (released 2025-09-04) **Original Release:** 2012-09-13 **App Store Link:** [Download on Apple App Store](https://apps.apple.com/us/app/app/id527208668) **AppTail Page:** [https://apptail.io/app/abtovoipclient-oWec/united-states](https://apptail.io/app/abtovoipclient-oWec/united-states) ## AbtoVoIPClient Description 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. ## AbtoVoIPClient Screenshots - [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/Purple125/v4/92/6f/30/926f307a-f01d-2c15-7977-0928adc10f38/mzl.lafksssp.png/640x960.png) - [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/Purple115/v4/53/09/bc/5309bc1c-5af3-7232-2dac-ab43422a32d2/mzl.eowwprho.png/640x960.png) - [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/Purple115/v4/a6/9e/51/a69e51a4-d252-d3ef-074d-6bbbe105dd45/mzl.pqrluwmr.png/640x960.png) - [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/Purple115/v4/cf/87/7b/cf877bd7-0af2-c4ef-4fff-26eeadafccce/mzl.rvedqbeb.png/640x960.png) - [Screenshot 5](https://is1-ssl.mzstatic.com/image/thumb/Purple125/v4/23/6e/bf/236ebf8b-b166-839a-879e-9c787ae53f74/mzl.zlwqtxtn.png/640x960.png) ## AbtoVoIPClient Rating Breakdown in United States - 5 stars: 1 (50%) - 4 stars: 1 (50%) - 3 stars: 0 (0%) - 2 stars: 0 (0%) - 1 stars: 0 (0%) ## AbtoVoIPClient Reviews in United States ### ***** "Very useful" 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. -- MavericksCuba, 2021-08-24 ### ****- "Needs a bit more" Great for my purposes. Needs speakerphone, dark mode, full size keypad on calls and to be able to hear the touch tones when you press them. -- tgwaste, 2021-05-06 [View all AbtoVoIPClient reviews and detailed analytics on AppTail](https://app.apptail.io/signup?utm_campaign=ai-crawl&utm_content=reviews) ## Apps Similar to AbtoVoIPClient - [iNetTools - Ping,DNS,Port Scan](https://apptail.io/app/inettools-pingdnsport-scan-kKc/united-states) - [Network Analyzer: WiFi Scan](https://apptail.io/app/network-analyzer-wifi-scan-LKc/united-states) - [OpenVPN Connect](https://apptail.io/app/openvpn-connect-kdd/united-states) - [AnyDesk Remote Desktop](https://apptail.io/app/anydesk-remote-desktop-jFk/united-states) - [Ubiquiti WiFiman](https://apptail.io/app/ubiquiti-wifiman-ZRo/united-states) - [IP Scanner](https://apptail.io/app/ip-scanner-BkE/united-states) - [RustDesk Remote Desktop](https://apptail.io/app/rustdesk-remote-desktop-KJQ/united-states) - [MikroTik](https://apptail.io/app/mikrotik-ZEnb/united-states) - [Yeastar Linkus Mobile Client](https://apptail.io/app/yeastar-linkus-mobile-client-Hmrd/united-states) - [Real Softphone](https://apptail.io/app/real-softphone-IIzd/united-states) ## AbtoVoIPClient Available In - [United States](https://apptail.io/app/abtovoipclient-oWec/united-states) - [Russia](https://apptail.io/app/abtovoipclient-oWec/russia) - [Chile](https://apptail.io/app/abtovoipclient-oWec/chile) - [Germany](https://apptail.io/app/abtovoipclient-oWec/germany) - [Finland](https://apptail.io/app/abtovoipclient-oWec/finland) - [France](https://apptail.io/app/abtovoipclient-oWec/france) - [United Kingdom](https://apptail.io/app/abtovoipclient-oWec/united-kingdom) - [Hungary](https://apptail.io/app/abtovoipclient-oWec/hungary) - [Italy](https://apptail.io/app/abtovoipclient-oWec/italy) - [Belarus](https://apptail.io/app/abtovoipclient-oWec/belarus) - [Canada](https://apptail.io/app/abtovoipclient-oWec/canada) - [Philippines](https://apptail.io/app/abtovoipclient-oWec/philippines) - [Pakistan](https://apptail.io/app/abtovoipclient-oWec/pakistan) - [Poland](https://apptail.io/app/abtovoipclient-oWec/poland) - [Singapore](https://apptail.io/app/abtovoipclient-oWec/singapore) - [Thailand](https://apptail.io/app/abtovoipclient-oWec/thailand) - [Norway](https://apptail.io/app/abtovoipclient-oWec/norway) - [New Zealand](https://apptail.io/app/abtovoipclient-oWec/new-zealand) - [Oman](https://apptail.io/app/abtovoipclient-oWec/oman) - [Croatia](https://apptail.io/app/abtovoipclient-oWec/croatia) - [Slovenia](https://apptail.io/app/abtovoipclient-oWec/slovenia) - [Slovakia](https://apptail.io/app/abtovoipclient-oWec/slovakia) --- ## About AppTail [AppTail](https://apptail.io) is a mobile app intelligence platform providing app analytics, ASO (App Store Optimization) tools, keyword tracking, competitor analysis, revenue estimates, and review monitoring for iOS App Store apps. Track your app's performance, discover ranking keywords, monitor competitors, and analyze market trends. - [Search Apps](https://apptail.io) - [Top Charts](https://apptail.io/top-iphone-apps) - [Sign Up for Full Access](https://app.apptail.io/signup?utm_campaign=ai-crawl&utm_content=footer) *Data provided by [AppTail](https://apptail.io) - Mobile App Intelligence Platform*