SIP Services

More than Simply Features and Services. Real Network Solutions. Real Network Value.

X5 Solutions delivers carrier-grade, next generation SIP (Session Initiation Protocol) connectivity to enterprises of all sizes - from 50 employees to 50,000 - as well as the best value of any regional or national carrier.

Whether your organization is just beginning to explore the options of migrating to an Internet Protocol (IP) telephony platform, or whether you've completed the migration and are looking for more from your service provider, X5 Solutions can bring new ideas to the table. Ideas that can increase the efficiency of existing infrastructure, or the power of a fully enabled VoIP platform.

You've Shopped Around. Now Let X5 Solutions Show You the Best Value in Business IP Telephony.

SIP trunking can offer your business tremendous savings, new functionality and more control of your telephony services than traditional PRI voice circuits. X5 Solutions takes the benefits and possibilities of Business IP telephony even further by offering the ability to mix and match SIP services location by location, including:

SIP Trunking

XTone Office

To discover which SIP services fit into your migration to IP telephony, click on any of the Topics to the left.