Key to Successful Unified Communications & Collaboration Deployments

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SIP trunking enables connectivity to the public switched telephone network (PSTN). Businesses can use SIP trunking to connect their on-premises voice network provided by leading and Successful Unified Communications and Collaboration (UC&C) platform providers. DoubleHorn’s SIP trunking services offer PSTN origination, termination and emergency services using the SIP protocol.

For most companies to benefit from Unified Communications & Collaboration they must overcome challenges including sourcing software and related hardware components from numerous vendors, making significant capital expenditures, conducting testing to ensure interoperability of all components, tasking employees with day-to-day infrastructure management for performance and availability, and dealing with multiple vendors anytime a problem arises. When working with a managed services provider, such as DoubleHorn, small and midsize enterprises (SMEs) are able to eliminate the time, expense and technical expertise that would otherwise be required for their organization to benefit from UC&C.

DoubleHorn has worked with leading UC&C providers such as ShoreTel, Avaya, and Microsoft Lync to test their SIP trunks to ensure interoperability with these platforms. With DoubleHorn providing the secure SIP Trunking capabilities, for the SME there’s no additional hardware or software to purchase, install and manage. There’s no need even for a standard telephone line.  With just an IP connection and DoubleHorn’s SIP trunking services, the SME has voice, video, and data communications capabilities.


DoubleHorn’s Avaya-compliant managed SIP trunks are interoperable with either Avaya Aura® Communication Manager 6.2, Avaya Aura® Session Manager 6.3 or Avaya IP Office 8.1. DoubleHorn is a Technology Partners in the Avaya DevConnect program, as well as an Avaya reseller, and can offer a bundled solution including the Avaya hardware and software and DoubleHorn SIP trunk services.


Working with DoubleHorn, SMEs can easily take full advantage of their ShoreTel platform.  With DoubleHorn providing the Shoretel validated interoperable and secure SIP Trunking capabilities, SMEs can quickly connect to ShoreTel UC&C platforms.

Microsoft Lync

DoubleHorn SIP trunks have also been qualified by Microsoft as interoperable with the Microsoft Lync 2013 platform.  The qualified SIP trunks give SMEs the simplest path yet to enable Microsoft Lync 2013 UC&C capabilities.

There are many options when it comes to internet connectivity and there are many questions to be answered before making a decision. For instance, how much bandwidth does the company need? More questions abound, and this blog provides the answers.DoubleHorn and Avaya IP Office for a Competitive Advantage