Uncategorized

Subnet Mask Conversion

Subnet Mask Conversion

/24    255.255.255.0       – 255
/25     255.255.255.128    -128
/26    255.255.255.192     – 64
/27    255.255.255.224     – 32
/28    255.255.255.240     – 16
/29    255.255.255.248     – 8
/30    255.255.255.252     – 4
/32    255.255.255.255     – 1

IPhone USSD Commands

Service                 All Calls

Forwarding         **21*«dest number»#

Activate               *21#

Deactivate          #21#

Delete                  ##21#

Check Status      *#21#

Service                 If No Reply

Forwarding         **61*«dest number»#

Activate               *61#

Deactivate          #61#

Delete                  ##61#

Check Status      *#61#

Service                 If Unavailable

Forwarding         **62*«dest number»#

Activate               *62#

Deactivate          #62#

Delete                  ##62#

Check Status      *#62#

Service                 If Busy

Forwarding         **67*«dest number»#

Activate               *67#

Deactivate          #67#

Delete                  ##67#

Check Status      *#67#

Service                 All Conditional Diverts

Forwarding         **004*«dest number»#

Activate               *004#

Deactivate          #004#

Delete                  ##004#

Check Status      *#004#

*43#                                                      Activation of waiting/holding of call service

*#43#                                                   Status check of waiting/holding of call service

#43#                                                      Deactivation of waiting/holding of call service

#002#                                                    Cancelling of redirection of all calls

#004#                                                    Cancelling of all conditional redirections

*#5005*7672#                                   Display the SMSC Setting.

**5005*7672*SMSCNUMBER# Sets the SMSC to SMSCNUMBER (international format).

##5005*7672#                                   Erases the SMSC number from phone.