Chapter 3: Calls, faxes and SMS
Use a phone or fax machine (SBU) 53
3333
Special-purpose and local numbers (SBU)
The following list shows the allocated special-purpose numbers.
Number Function
0 * followed by # or off-hook key Re-dial last called number on this interface.
00 * followed by # or off-hook
key
Re-dial last answered call on this interface.
Note: If the last answered number is an
unlisted number, you will not be allowed to
dial back.
00 followed by one of the
numbers 1-99 and # or off-hook
key
0 followed by one of the numbers
100-199 and # or off-hook key
Short dial phone numbers in phone book.
0300 followed by # or off-hook
key
Local call broadcast to both analog phones.
0 followed by one of the numbers
301-302 and # or off-hook key
Local call to analog phone.
0400 followed by # or off-hook
key
Local call broadcast to all ISDN phones.
a
a. Note that the local number must be programmed in the ISDN and SIP-enabled IP
phone.
0 followed by one of the numbers
401-402 and # or off-hook key
Local call to ISDN phone.
a
0500 followed by # or off-hook
key
Local call broadcast to all IP handsets.
a
0 followed by one of the numbers
501-516 and # or off-hook key
Local call to SIP-enabled IP handset.
a
0900 followed by # or off-hook
key
Local call broadcast to all handsets.