Sideline is the work number for your smartphone. It uses your existing carrier network so that 2nd number works wherever you do. Porting numbers from another service is available.




VoIPstudio is described as 'Complete business phone system and scalable call center with small business pricing. Replace your PBX, get ready for AI, or cut communications costs. Get started in seconds, with no long-term commitment' and is an app in the social & communications category. There are more than 50 alternatives to VoIPstudio for a variety of platforms, including Web-based, iPhone, Android, Windows and Mac apps. The best VoIPstudio alternative is Zoom, which is free. Other great apps like VoIPstudio are Google Voice, Briefing, Thirdlane Multi Tenant PBX and ChitChatter.
Sideline is the work number for your smartphone. It uses your existing carrier network so that 2nd number works wherever you do. Porting numbers from another service is available.










MirrorFly is customizable in-app communication SDKs for businesses to integrate chat, voice, video calling and video conferencing features on their existing web and mobile applications.




Heymarket is a business text service for your team. They get a shared inbox for messaging with people outside your organization. The other party never has to install an app & gets SMS. Free 14-day trial on heymarket.com, the App Store, & Google Play.




Truly Wireless is helping thousands of businesses leverage the power of cellular by turning smartphones into superphones. Truly is the best mobile business phone system for helping teams track, manage and share customer conversations using smartphones.
Dialpad offers a secure, enterprise cloud phone system, business VoIP, toll free numbers, cloud PBX & integrations with Google Apps for Work & Office 365.




Ninja Number is a second phone line that works on your smartphone and provides the leading edge solution for business owners to manage inbound communications economically, efficiently, effectively and effortlessly.




Unify Office is the new cloud team collaboration and communications service delivered by Atos Unify in partnership with RingCentral, a market leader in UCaaS.



Whether you're a business of one, or a thousand-employee enterprise, VirtualPBX offers a PBX system for businesses of any shape or size!.


Phonebooth is a web-based phone system that routes your calls to any landline or mobile phone number you choose. Users receive a free local phone number to give out to customers and clients. Calls made to your Phonebooth number are automatically routed to your private number and...
The Nextiva App is a business phone service app that enables complete mobility for Nextiva customers. Stay connected when you're away from your office phone, or replace your desk phone altogether when you utilize voice, video, instant messaging, and presence services from...



