KryptAll
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.
Apps Like sip:phone for iPhone and iPad
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.
Ranked alternatives
Showing 1–20 of 1,000 ranked alternatives.
Ooma Office
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.
Ooma Home Phone
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.
Servcorp Onefone
Servcorp IT Pty Ltd
Make and receive calls globally
Make and receive calls using a telephone number globally without international charges. Swap between calls, merge calls, and perform attended transfers. Connect with Cisco office phones and manage multiple calls simultaneously.
SpectrumVoIP Stratus
Spectrum VoIP, Inc.
Make and receive calls remotely
Make and receive calls using an iOS device with a account. Access contact list for dialing. Manage call settings and voicemail. Requires hosted VoIP service.
Bria Enterprise
CounterPath Corporation
Make and receive business calls remotely
Make and receive calls using VoIP. Manage contacts and call history. Access advanced call controls and settings. Integrate with company-provisioned accounts. Sync with the Stretto Platform for features.
SessionTalk SIP Softphone
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.
Zoom Workplace
Zoom Communications, Inc.
Collaborate, chat, and meet in one place
Manage team communication with chat, meetings, and calendar integration. Schedule and join calls, send messages, and access shared documents. Use AI Companion to summarize messages, draft responses, and prioritize tasks.
Second Phone Number: PlusPhone
Mutludev L.L.C-FZ
Manage work and personal calls separately
Manage business communications with virtual numbers. Create up to five numbers for work and personal use. Make local and toll-free calls, send unlimited text messages. Transfer existing numbers to the . Separate work and personal contacts.
Verizon One Talk
Verizon Wireless
Call, message, and collaborate securely
Manage calls, messages, and contacts with business features like call forwarding, voicemail, and group messaging. Schedule meetings, access call logs, and integrate with email. Control user permissions and monitor usage through a web portal.
How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.