Hi,
This is Chandra. I have lot of expertise in VoIP, PBX, Intercom, SIP/IAX extensions, Digium FXO/FXS cards configuration, ISDN cards setup and configuration, Call forward and many more...You can see my profile in this website for complete list of my projects. Before that, you have to tell me your complete requirements and tasks to do list. I assure that will complete your project within timeline. Loooking forward to your response. Thank you.
Regards,
Chandra.