Call friends and family with SIP voice
Make voice calls using a SIP-based softphone. Connect via Wifi, 3G, or GSM. Support DTMF tones. Manage contacts and view call history. Make international calls at low rates.
Showing 1–20 of 1,000 ranked alternatives.
SessionTalk Ltd
Call, chat, and connect securely
Make and receive voice calls using VoIP technology. Manage call history and contacts. Set up SIP accounts and manage call settings. Support high-quality audio with low battery impact.
CounterPath Corporation
Call anytime, anywhere with SIP
Make and receive calls using SIP technology. Support HD audio and video calls. Integrate with XMPP and SIP SIMPLE protocols. Manage call server connections. Set up and configure communication preferences. Cancel subscription within trial period.
Digivoice LLC
Call and message with HD voice
Make and receive calls using SIP technology. Send and receive push notifications. Support HD voice quality. Initiate free calls between users.
Securax
Connect to PBX and make calls
Make voice and video calls using SIP protocol. Connect to PBX or provider. Support Bluetooth pairing. Background operation with low battery usage. Receive and answer calls reliably. Adjust call settings for optimal quality.
SessionTalk Ltd
Connect, chat, and call securely
Make and receive voice calls using VoIP services. Manage contacts and call history. Set up accounts with preconfigured providers. Use advanced call controls and mute features. Support for high-quality audio without battery drain.
Solaris Systems BV
Make and save on phone bills
Make voice using mobile internet. Access contacts directly from the . Use microphone for . Enable microphone permissions in privacy settings. Initiate from contact list. Operate without additional setup.
IDT GLOBAL PROCESSING SERVICES, INC.
Make calls, send money, and top up
Make international calls to any mobile or landline with clear audio and low rates. Top up credit via mobile or web. Send money internationally with secure transfers. Manage history and contact list.
WhatsApp Inc.
Send messages and make calls
Send text messages, make voice and video calls. Share files, images, and location. Communicate privately with end-to-end encryption. Available on mobile, tablet, and desktop. No subscription fees.
TextMe, Inc.
And with a second number
Send messages and make calls to US, Canada, and international numbers at low cost. Create and manage multiple numbers. Set up local numbers for privacy or specific purposes. Share contacts and group chats.
Miron Enterprises, LLC
Make calls and send SMS
Make calls at low rates using VoIP. Send SMS to multiple countries. Buy prepaid credit online. Replace calling cards with the . View call history and manage credits.
Sviatoslav Volodymyruvych Litynsky Private Enterpreneur
Call, chat, and video via SIP
Make voice and video calls using SIP and landline numbers. Send text messages via SIP MESSAGE. Connect to Asterisk, FreeSwitch, and other SIP servers. Enable direct client-to-client calls. Use UDP, TCP, TLS, and SRTP for secure communication.
BAVAYA ADVANCED INFORMATION TECHNOLOGY
Make calls, record, and manage accounts
Make and receive calls using multiple accounts. Record calls and manage call waiting. Automatically provision new devices. Access business features like call forwarding and voicemail.
PortSIP Solutions, Inc.
Receive calls and messages securely
Softphone allows users to make and receive calls and send instant messages via Wi-Fi or 4G/LTE. It integrates with PBX for push notifications. Users can access the iPhone contact list to manage calls and messages.
Meta Platforms, Inc.
Chat and call anyone, anywhere
Chat with contacts through text, voice, or video calls. Send messages, images, and files. Connect with friends and family via Facebook. Use AI assistant for instant responses and guidance. Share updates and interact with community groups.
Teo Technologies, Inc.
Make and receive voice calls
Make and receive calls using Wi-Fi or data. Conference, split, or swap calls. Transfer calls and access contacts. Use speakerphone, mute, and hold functions. View call and voicemail indicators. Integrate with Teo Unified Communications platform.
Viber Media SARL.
Send messages and make calls
Send messages with text, photos, stickers, GIFs, voice, or video. Make free audio and video calls to other users. Create group chats. Send disappearing messages. Set reminders. Share files.
INTERNATIONAL SECURITY GROUP, LLC
Make secure SIP calls
Make secure SIP-based calls with HD audio codecs. Receive and manage calls in the background. Use supported headsets or headphones. Requires a subscription for functionality.
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