Key Uppercase Characters Lowercase Characters
9 W X Y Z 9 w x y z 9
* * <SPACE> * <SPACE>
# # / \ @ # / \ @
4.3 E.164 support
E.164 is the international telephone numbering plan that ensures each device on the PSTN has a globally
unique number. E.164 numbers are formatted as [+] [country code] [subscriber number including area
code], and can have a maximum of 15 digits.
Users can dial E.164 numbers from 6915 IP phones. The support for inserting the '+' symbol is provided to
users in the following ways:
• When dialing from the phone, users can insert the '+' symbol by a long-press of the '0' key.
• When entering an E.164 number as a number entry in the directory from the phone UI, users can insert
the '+' symbol by a long-press of the '0' key.
• When entering an E.164 number as a number entry in the keypad Speed dial from the phone UI, users
can insert the '+' symbol by a long-press of the '0' key.