cisco spa303 remote provision

  1. ultra viewer is used to replace team viewer.
  2. refer url for provision parameters
  3. the firmware must upgrade to spa50x-30x-7-5-2b.bin first, then it can further upgrade to higher version
  4. blf is a bit weird <Dictionary_Server_Script ua=”na”>serv=http://$url/;d0=English-US;x0=spa50x_30x_en_v756.xml;
  5. for download provision file, may need power cycle manually the phone
  6. the pbx software: (Italy)