Showing 1–20 of 1,000 ranked alternatives.
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.
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.
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.
MetroPCS Wireless, Inc.
Manage calls with ID and Block
Manage and customize -Mobile's anti- features like ID and Block. Control caller identification settings. Update network defenses every six minutes using AI and machine learning.
Text Us Services, Inc
Call and video call with HD quality
Make calls in the U.S., Canada, Australia, and the U.K. Conduct internal video calls. Use multiple codecs for and conference calls. Send and receive HD video up to 720p. Automatically select codecs for optimal quality.
RingCentral, Inc
Manage calls, messages, and meetings with AI
Manage business communications with integrated calling, messaging, and meeting features. Transcribe conversations and generate notes using AI. Share files in team chats and receive typo corrections.
Ooma, Inc.
Make and receive calls anywhere
Make and receive calls using a virtual phone number. Manage voicemails, transfer calls, and use conferencing. Set up a virtual receptionist and dial extensions. Handle music-on-hold and control call settings remotely.
GoDaddy.com, LLC
Answer calls and manage business communications
Manage business calls and texts with a separate . Answer calls to identify them as business-related. Make and send texts using the business . Filter spam calls to avoid unwanted interruptions. Use cellular connection for clear call quality.
Ooma, Inc.
Make calls, check voicemail, receive calls away
Make calls using your number. Receive calls when away from . Check voicemail and manage messages. Access account settings and manage additional numbers.
Protection & Security App LLC
Secure your device with anti-theft alarm
Enable anti-theft alarm to deter thieves. Locate lost devices in real time. Securely back up photos and contacts to personal cloud. Block spam calls and messages using pattern recognition. Customize blocking rules for unwanted numbers.
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 various SIP servers like Asterisk or FreeSwitch. Enable direct client-to-client calls. Use UDP, TCP, or TLS for SIP transport.
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.
TickTalk Tech LLC
Track location and send messages
Monitor location in real time and set geofencing. Make video and voice calls, send secure messages. Block unknown numbers and set approved contacts. Receive SOS and 911 alerts. Set reminders and manage 40+ parental controls.
Sipwise GmbH
Connect to accounts and make calls
Make and receive voice and video calls using encrypted communication. Access recent calls list and manage in-call features like mute and hold. Support DNS SRV for discovery. Requires existing sipwise.com account.
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