CSipSimple

CSipSimple is an open source SIP client for Android that allows you to make VoIP calls over Wi-Fi or mobile data. It supports common SIP features like call transfer, call forwarding, call waiting, 3-way conferencing, etc.

CSipSimple alternatives ➤

What is CSipSimple?

CSipSimple is an open-source SIP client for Android devices that enables users to make and receive VoIP calls over Wi-Fi or mobile data. Some key features include:

Supports popular SIP services like Asterisk, OpenSIPS, FreeSWITCH, etc.
Provides HD audio and video calling capabilities
Includes advanced call features like call transfer, 3-way conferencing, call forwarding, call waiting, voicemail access, and more
Offers excellent NAT traversal capabilities to ensure reliability of calls behind firewalls/NAT routers
Supports a range of audio codecs such as G.711 (PCMA/PCMU), G.722, Speex, G.726, iLBC, Opus, etc.
Offers configuration of multiple SIP accounts and profiles
Provides a user-friendly calling interface with support for an address book and call history

As an open source Android SIP client, CSipSimple offers a high level of functionality and customization options for free. It is an excellent choice for any Android user looking to make VoIP calls via a Wi-Fi or mobile data connection.

Official Links

Official Website
code.google.com/p/csipsimple

The Best CSipSimple Alternatives

Top Apps like CSipSimple

MicroSIP, Talkatone, Zoiper, Daily Co, Jitsi Desktop, PhonerLite, Linphone, Phoner Second Phone Number, YakYak, Telephone, Adamant Messenger are some alternatives to CSipSimple.

Sugggest an alternative ❐

MicroSIP

MicroSIP is an open source software SIP client and softphone for making VoIP calls and sending instant messages over the Internet. It enables you to use your computer as a phone with a SIP account from a VoIP service provider or company PBX system.Key features of MicroSIP include:Free...

Talkatone

Talkatone is a popular free voice over IP (VoIP) app and service that allows users to make phone calls, send text messages, share locations, and more using WiFi or mobile data connections instead of traditional cellular minutes. Originally launched in 2009, it now has over 45 million users worldwide.The Talkatone app...

Zoiper

Zoiper is a versatile softphone and instant messaging application for Windows, Mac, Linux, iOS and Android devices. It enables users to make and receive VoIP calls, video calls, chat messages and manage presence over the internet.Some of the key features of Zoiper include:Support for popular VoIP protocols -...

Daily Co

Daily Co is a cloud-based virtual office platform designed for remote teams, distributed companies, and organizations seeking to build online communities. Launched in 2012, Daily Co integrates video conferencing, screen sharing, calendars, chat, and other productivity features into a single solution to power hybrid and distributed workforces.Key features of Daily...

Jitsi Desktop

Jitsi Desktop is a free, open source video conferencing application for Windows, Mac and Linux operating systems. It allows users to easily conduct encrypted video meetings with multiple participants.Some of the key features of Jitsi Desktop include:End-to-end encryption for secure video callsScreen sharing to present documents, slides, and...

PhonerLite

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Linphone

Linphone is a free voice over IP (VoIP) service that allows you to make audio and video calls over the internet. Developed by Belledonne Communications, Linphone is an open source application available for Linux, Windows, macOS, iOS and Android operating systems.As a softphone application, Linphone relies on SIP protocol...

Phoner Second Phone Number

Phoner is an app that provides users with a second phone number to use for calling, texting, verifying accounts, and more. It's designed to help protect your personal phone number and privacy.Here are some key features of Phoner:Get a real US or Canadian phone number for calling, texting...

YakYak

YakYak is an open-source, ad-free desktop chat client for Google Hangouts. It works by using the Google Hangouts API to facilitate messaging between Google contacts.Some key features of YakYak include:Native desktop application for Linux, Windows, and macOSTabbed conversations for easily managing multiple chatsCustomizable notifications and audio alertsSyncs chat...

Telephone

Telephone is a free, open source software for making voice over IP (VoIP) telephone calls over the internet. It can be used as a softphone to make and receive calls through a VoIP service provider or ITSP (Internet Telephony Service Provider).As an open source VoIP client, Telephone supports standard...

Adamant Messenger

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