Register and make SIP calls anytime
Make and receive SIP calls using a interface. Register accounts and manage call settings. Initiate and end calls, adjust audio settings, and monitor call history.
Showing 201–220 of 1,000 ranked alternatives.
Sprint Nextel Corporation
Talk instantly with group or one-to-one calls
Enable push-to-talk communications on Apple devices. Make 1-to-1 and group calls. Control calls via touchscreen. with devices. Manage call settings and permissions.
Vertical
Access calls, manage presence, secure operations
Manage business calls with one-touch access to secure call operations. Place calls over data networks. Use company directory services for contact lookup. Send and receive messages. View real-time availability of colleagues.
Comm-Core, Llc
Make calls and manage contacts remotely
Make and receive voice calls over Wi-Fi or cellular networks. Manage contacts and call history. Support multiple languages and screen orientations. Enable call recording and mute functions. Integrate with email and calendar for scheduling.
BroTecs Technologies, LLC.
Make secure calls over any network
Make and receive secure VoIP calls over 3G, 4G, and Wi-Fi. Adjust audio settings with noise suppression and echo cancellation. Use adaptive jitter buffer and packet loss concealment for stable connections.
SoTel Systems, LLC
Make and receive calls anytime
Manage landline calls via WiFi or 3G using your landline number. Transfer calls between landline, mobile, and tablet devices without disconnecting. Send instant messages. Add video to calls. Make calls from any device.
QuestBlue Systems, Inc
Make calls, send texts, and fax securely
Make calls, send texts, and send faxes through a single . Manage contacts, schedule calls, and access voicemail. Integrate with business systems for enterprise communication. Support for multiple phone numbers and call routing.
TelWare Corporation
Connect calls across devices and networks
Manage calls and messages across multiple devices. Set up contacts and automate communication. Sync contacts across devices. Integrate with email and calendar. Handle voicemails and call logs. Transfer calls between devices.
Big Shot, LLC
Track calls, adjust settings, and monitor hunts
Access and play calls with 50 built-in sounds. Manage sound packs and download additional coyote, bobcat, and raccoon calls. Control volume and playback settings. Sync with Bullet HP electronic call for real-time use during hunts.
小利 薛
Block calls
Block unwanted calls using a blacklist or AI-based threat detection. Identify and record suspicious numbers. Prevent spam calls and robocalls. Protect against caller ID spoofing. Store call logs and evidence for legal purposes.
PanTerra Networks, Inc.
Sync files, chat, and make calls
Manage office communications and files on the go. Send and receive calls, message teams with multimedia, and share files securely. Sync and access cloud storage, create team channels, and broadcast live content.
BDM Enterprises, Inc.
Make and receive calls anytime
Make and receive calls from anywhere. Access voicemail and manage user-to-user calls. Receive real-time push notifications. Stay connected with communication features.
J2 Web Services, Inc.
Make calls, send messages, manage account
Manage calls and notifications with VoIP technology. Answer, reject, or transfer calls directly. Set call handling preferences and receive reliable alerts. Access account features for small business communication.
Voizarabia arabia
Make VoIP calls with internet connectivity.
The app makes VoIP calls using 3G/Edge/wifi internet connectivity. It supports SIP protocol, all codecs, and runs behind NAT.
Scene Technology Limited
Identify callers and get number details
Identify unknown callers with detailed number information. Look up numbers to find identities. Block numbers and manage call logs. Receive alerts for suspicious or unknown calls.
CEM SOFTWARE COMPANY LIMITED
Make calls and share videos
Send holiday messages to with text and voice options. Make playful calls with surprises. Add festive effects to photos and videos. Share content with friends and family.
Mobile-First
Manage calls, messages, and team communications
Manage calls, messages, and contacts through a unified interface. Schedule and send calendar invites. Integrate with email and cloud storage. Set up auto-responders and voicemail transcription. Monitor call logs and track team activity.
MASORANGE SL
Manage calls, data, and messages on
Manage mobile phone services with access to call history, data usage, messages sent, and bonus details. View and download recent bills in PDF. Adjust account settings and receive login reminders.
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