What are some alternatives?
When comparing Sparta and Nextiva, you can also consider the following products
Close - A CRM with built-in calling, SMS, and email
Bitrix24 - Bitrix24 is a free (for small businesses) social enterprise platform. It is a united work space which handles the many aspects of daily operations and tasks. Create your own social intranet in minutes!
SalesWise - A gorgeous launchpad for sales people
Zoho Desk - Industry's first context-aware Helpdesk Software
Hoopla - Your public library at your fingertips.
LiveAgent - LiveAgent is a fully-featured web-based live chat and helpdesk software. It harnesses the power of a universal inbox, real-time live chat, built-in call center, and a robust customer service portal. Start you free 14-day trial today.