3rd Party Codes used by 2Ring PHONE SERVICES
2Ring does not change the codes at all, and use them as intended.
If you do not agree with their licences then please remove 2Ring PHONE SERVICES from your environment.

Google Data: https://developers.google.com/gdata/
EWS Managed API: http://www.microsoft.com/en-us/download/details.aspx?id=42022
NAudio: http://naudio.codeplex.com/
Json.NET: http://james.newtonking.com/json
Ajax Control Toolkit: http://ajaxcontroltoolkit.codeplex.com/
HTML Agility Pack: http://htmlagilitypack.codeplex.com/
SharpZipLib: http://www.icsharpcode.net/opensource/sharpziplib/
ATAPI: http://atapi.codeplex.com/
Ajax Minifier: http://ajaxmin.codeplex.com/
SnmpSharpNet: http://www.snmpsharpnet.com/
Audio streaming: http://www.codeproject.com/Articles/394890/Play-or-Capture-Audio-Sound-Send-and-Receive-as-Mu
Avaya IPO SDK: http://www.devconnectprogram.com/site/global/products_resources/ip_office/releases/8_1/index.gsp
Jetty 7: http://www.eclipse.org/jetty/
Ksoap2: https://code.google.com/p/ksoap2-android/