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.
- Phone System
- Paid • Proprietary
- Android
- iPhone



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.





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.
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.



MobileVOIP is an app that enables affordable VoIP calls from mobile devices, both nationally and internationally, potentially reducing phone costs. The app integrates with your device's contact list, allowing calls via MobileVOIP anytime, anywhere.



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

Ringblaze is a reliable phone system for small businesses. Ringblaze is a VoIP (Voice over Internet Protocol) number provider which means that placing and receiving calls and messages happen over the internet.

Call Me Private masks your phone number behind a virtual number, for privacy, or for a professional look for your business.

XiVO is an IP-PBX, a unified communications platform that connects phones on a local or private network with other networks such as public landlines and mobile telephones.

Instantly provide voice customer support through phone calls. EasyCall is a simple yet advanced call center software that allow your customers to call you with a click to call widget without the need for a phone number (web to web calls).

Anello Voice offers telecom services. With Anello Voice, you won't be tethered to a traditional landline phone. Wherever you go, your phone number follows.

Zaplee is a global cloud-based PBX phone system. Our system works with Skype, Google Voice, SIP, VOIP, landline and mobile phones. We can provide phone numbers in over 60 countries and thousands of cities.

Tackle – Phone System For Your Business. The essence of Tackle is a simple phone system that routes a 1-800 number to your phone(s) – that's it.

High quality managed business phone service. VentureTel manages your business phone system so you don't have to! Save as much as 50% compared to traditional business phone service.

Cloud-based phone system offering instant virtual numbers across 50 countries, fast setup in under three minutes, robust backend, and easy web-based management.

Allô is the ultimate AI-powered business phone system designed to streamline your communication and keep you focused on what matters.



RingOver: the 100% cloud-based business phone system for flexible teams to simplify call handling. Obtain virtual numbers in 60+ countries and benefit from free unlimited calls. Sales and support teams can improve their CRM and Helpdesk tools by integrating with RingOver to...

Calilio redefines business communication. A cloud phone system with superior VoIP services. Virtual numbers for high-quality voice, SMS, & voicemail capabilities.

CallScaler is the ultimate call tracking system for businesses and agencies. At only $0.50 per phone number, our call tracking software will scale your marketing campaigns with tracking, recording, routing & more!

LimePhone puts exceptional customer experience (CX) at your fingertips. Make calls directly from our app, access complete customer data, and automate repetitive tasks, freeing your team to focus on building stronger relationships.

Improve customer service efficiency and outbound call campaigns impact with Oki-Toki call center solution: smart routing, intuitve IVR, predictive dialer.

AI Phone Agent for Scheduling, Support & Sales.

Get a second phone number from EasyLine for your business. Easily organize your business calls, texts, voicemails and contacts. Separate your business from personal life without another device.



Telnum is a reliable international VoIP provider that offers state-of-the-art technology when it comes to cloud-based phone center solution. As a smart cloud-based virtual phone system, it caters to small, medium, and large scale businesses.
PhoneIQ is the modern phone system and contact center platform built exclusively for companies on Salesforce. Our all-in-one cloud communications platform brings together power dialing, local presence, voicemail drop, Salesforce call routing, call recording, and a complete PBX...
