start 8/1/05 and last until 9/29/05. Overtime and weekends are possible. What hourly rate are you looking for? experience integrating Cisco Call Manager and Cisco Call manager Express knowledge of Unified Messaging Features such as Voice messaging over IP, E-Mail Messaging over IP, Fax messaging over IP, and single number reach. General knowledge of VoIP Network design considerations to include Traffic theory basics, Traffic models, Selecting traffic models and ability to apply traffic analysis to VoIP Networks.