Please carefully read the X&YComm Software End User License Agreement before installation.
SIPSP-PBX-Advanced-Setup-100-v1.18.exe (8.9M) Description: The SIPSP-PBX Advanced Edition software, 100-user, 30-day trial Version: 1.18 Issued Date: Nov. 09, 2007
For update from old version, please refer How to update from old version
For the online user manual, please go to the User Manual