Public or Private access to Sonus networks for SIP

Companies can utilize either public internet or private connections (DS1, DS3, OC++ services) to a carriers Sonus network for SIP Origination and Termination services. This page has been created to provide a list of companies that provide traditional and non-traditional ways for accessing Sonus or other networks for handling of Origination and Termination services. This could be traditional PSTN or even IAX2 access.

Please provide the name of your company and a small response to what kind of network you allow access.

• XO Communications – SIP access via the PSTN nework as well as via our Sonus network. Fractional T1, DS3, OC3 and OC192 access both via the public internet or private connections. Point to point services offered in most US markets.