Dialplan Setup - Draytek Vigor2500V Series Quick Start Manual

The major benefit of this mode is that you don't have to memorize your friend's
IP address, which might change very frequently if it's dynamic. Instead of that,
you will only have to using dialplan or directly dial your friend's account name if
you are with the same SIP Registrar. Please refer to the Example 1 and 2 in the
3.3 Calling Scenario.
2.Peer-to-Peer
Before calling, you have to know your friend's IP Address. The Vigor VoIP
Routers will build connection between each other. Please refer to the Example 3
in the 3.3 Calling Scenario.
The menu tree of the VoIP configuration:

3.1 DialPlan Setup

In this section, you can set your VoIP contacts in the "phonebook" we called
DialPlan - help you to make calls quickly and easily by using "speed-dial" Phone
Number. There are total 60 index entries in the DialPlan for you to store all your
friends and family members' SIP addresses.
VoIP >> DialPlan
SIP Related Function
CODEC / RTP / DTMF
Voice Call Status
14