CSipSimple
CSipSimple is a SIP application for android devices.
Best CSipSimple Alternatives & Competitors in 2025
The best CSipSimple alternatives based on verified products, community votes, reviews and other factors.
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Open-Source Alternatives.
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/xo-hosted-pbx-alternativesHosted PBX is a scalable UC solution that uses cloud technology to integrate HD voice & data services, mobility, along with advanced calling
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/zoiper-alternativesCross-platform VoIP softphone dialer for SIP and IAX systems
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Try for freeThe fastest AI note-taker to capture your scattered thoughts and turn them into organized notes.
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/linphone-alternativesLinphone is an internet phone or Voice Over IP phone (VoIP).
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/ekiga-alternativesEkiga (formely known as GnomeMeeting) is an open source VoIP and video conferencing application for...
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/nani-alternatives
Offline Japanese dictionary for Android.
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/sipnetic-alternativesSipnetic is a free VoIP softphone based on the SIP protocol.
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/handy-news-reader-alternativesHandy News Reader is a free no-ads RSS reader for reading offline contents from RSS feeds or web sites without RSS feeds.
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/sipdroid-alternativesFree and open-source SIP/VoIP Client
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/google-voice-alternativesGoogle Voice gives you one number for all your phones, voicemail organized in an email format, free...
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/lumicall-alternativesFree calls using open technology on Android.
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/microsip-alternativesMicroSIP is a free portable SIP softphone for Windows based on PJSIP stack.
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/ooma-office-alternatives
VoIP-based business phone system solution for small firms
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/mitel-alternativesBusiness Communications and Collaboration
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