User manual
 FIRMWARE VERSION 1.0.14.1   HT503 USER MANUAL  Page 58 of 64  
or with  certain special provisioning settings.    At  boot-up,  Grandstream  devices  by default  point to 
Grandstream provisioning server  GAPS,  based  on  the unique  MAC  address of  each  device,  GAPS 
provision  the  devices  with  redirection  settings  so  that  they  will  be  redirected  to  customer’s  TFTP  or 
HTTP/HTTPS server for further provisioning. 
Grandstream also provides configuration tools (Windows and Linux/Unix version) to facilitate the task of 
generating  device  configuration  files. The  Grandstream  configuration  tools  are  free  to  end  users.  The 
configuration  tools  and  configuration  templates  are  available  for  download  from 
http://www.grandstream.com/support/tools . 










