X. Front Cover
1. Objectives of 9-11 DBCC and Roster of Sponsors and Supporters
2. History of Downtown and Interesting Places - Plus A Virtual Tour
3. Getting Around Downtown (Lower Manhattan)
4. DBCC-Directory I - Shopping and Dining
5. DBCC-Directory II - Financial and Professional Services and Technology Businesses
6. 9-11 Memorial Websites - Poems, Songs, Photos, Videos and Stories
7. Utility Tools - Area Code and International Call Tables and World Wide Toll Free Directory
8. Acknowledgement of Contributors 
9. Contact Us and Order Information
   
   

1. Click here to  download Calling software

2. Install CodecPhone Procedure

1. You need WinZip to uncompress the software package
2. Double click "CodecPhone.zip", WinZip uncompress windown will popup
3. Double click 'Setup.exe'  in the uncompressed file window or "Install" button on WinZip interface to start   CodecPhone installation.
4. Follow up the instruction to continue the installation procedure.

3. Calling with CodecPhone through Firewall:

If there is a firewall installed in your local network, you need to ask your administrator to open these ports for callling from inside firewall through the Internet to a phone number or a PC:

Name
Port #
Type
Discovery
1718
UDP
Registration
1719
UDP
Call Signaling
1720
TCP
Call Control
2000 - 2031
TCP
Voice Data Transffering
10240 - 10303
UDP