PLANET VIP-2020PT - Manual (Page 72)

Enterprise HD PoE IP Phone
VIP-2020PT
1) All: xxx, it means that xxx will replace some phone number.
2) Del: It means that phone will delete the number with length appointed.
3) Rep: It means that phone will replace the number with length and number appointed.
4) User can refer to the following examples of different alias application to know more how
to use different aliases and this dial rule.
Call Mode Select different signal protocol, SIP or IAX2
Suffix
Set suffix, this is optional config item. It will show no suffix if User
don’t set it.
Delete Length
Set delete length. This is optional config item. For example: if the
delete length is 3, the phone will delete the first 3 digits then send
out the rest digits. User can refer to examples of different alias
application to know how to set delete length.