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.
Showing 41–60 of 1,000 ranked alternatives.
Cebod Technologies LLC
Make calls with business numbers
Make and receive calls using a business number. Manage contacts and call logs. Enable auto-provisioning for quick setup. Use as a white-label on any device. Support SIP protocol for voice communication.
Ring4, LLC
Get a for calls and texts
Phone for use. Make and receive calls, send texts, and use video calling. Access voicemail transcripts, record calls, and choose area codes. Support international calls and local dialing without roaming charges. No carrier plan required.
Ron Byer
Make and receive calls anywhere
Make and receive calls using a softphone interface. Send and receive XMPP messages. Check call status and transfer calls using shorthand extensions. Access presence information. Connect over WiFi or cellular data.
Macrotech USA Inc
Make and receive secure calls
Make and receive calls using cloud-based SIP VoIP technology. Manage call logs, set up call forwarding, and access voicemail. Integrate with enterprise directories for contact lookup. Support encrypted communications for secure business interactions.
AffinityClick Inc.
Use temporary numbers to call and text
Use a temporary to make calls and send texts. Select from 300+ area codes. No one will know the is temporary. Protect privacy by not sharing your real . Start calling and texting immediately.
FathomTel, Inc.
Send texts and calls with private numbers
Send and receive unlimited texts, calls, and multimedia messages to US or Canadian numbers. Choose a customizable phone number in any area code. Protect privacy by using numbers not linked to your real number.
AppFabric LLC
Receive calls on virtual work numbers
Manage business communications with virtual numbers. Add up to five work numbers, receive calls globally, and separate personal and business contacts.
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.
Electric Power Board
Message contacts and check availability
Make and receive voice calls using a business phone number. Check contact availability and send instant messages to individuals, groups, or departments. Integrate voice telephony with other communication tools in a unified interface.
TELCEL COMMUNICATIONS, INC
Make and receive calls anytime
Make and receive calls using internal extension numbers. Initiate voice or video calls. Access contact directory and manage call settings. Integrate with certified hosted platforms for unified communications.
Vonage
Make and receive phone calls
Make and receive phone calls using your number on an iPhone. Answer calls on up to two devices simultaneously. Use Wi-Fi or 3G/4G for connectivity. Receive push notifications for incoming calls.
Ningbo Juphoon System Software Co., Ltd.
With friends, send messages, make calls
Make calls with friends and family using any device. Send an invite link to start a free face-to-face . Receive multiple phone numbers for unlimited and texting to any mobile or landline.
NIVIN REGI
Etisalcom Bahrain Company W.L.L.
Make and receive VoIP calls
Make and receive VoIP calls and SMS. Share audio and video calls between users. Operate in the background without needing to run the dialer. Connect via WiFi, 3G, EDGE, LTE, or 5G. Access integrated phone contacts.
MobileSphere, Ltd
Receive calls, texts, and notifications privately
Provide real mobile numbers for use as secondary lines. Enable call forwarding, text messaging, and number portability. Manage multiple numbers from one . Support international calling and texting.
ACN, Inc
Make calls and manage your plan
Make and receive calls using your mobile phone's contacts. Access unlimited calling plans for international destinations where available. Manage contacts and use the intuitive interface for seamless call handling.
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.