callback services downloads
4PSA VoipNow Express
1.6.2 download... multi-tenant software architecture 4PSA VoipNow delivers hosted PBX services or can be used as a standalone PBX ... advanced PBX features: IVRs, group management, calling cards, callback, remote conferences and call queues. Standard PBX features: ...
GroupDocs.Conversion for .NET
1.8.0 download... a desktop-based (like console, WinForms, WPF and Windows services) or a web-based (ASP.NET, including WebForms and MVC) ... fast and accurate on-the-fly conversion and features progress callback functionality that allows the display of conversion progress ...
ippi
3.1.3 download... for free at www.ippi.us and enjoy all our services: virtual number, voicemail, caller ID, dual call, call ... - Call Number, name or SIP address - Callback Recent calls - Manage favorites ...