Use Phone Book to make VoIP calls over VPN

This note explains how to make phone calls through over a VPN tunnel. Take the following network for an example: There's a SIP account "777" on Vigor2760's LAN, and another SIP account "555" on Vigor2830's LAN, Vigor2760 and Vigor2830 are connected by a VPN tunnel.

Before configuring VoIP, please check VPN status in VPN and Remote Access >> Connection Management to make sure the VPN is online.

Configuring the Vigor2760

1. Go to VoIP >> SIP Accounts, and click an available index to create a SIP account, and edit the account as follows:

1. Give it a Profile Name
2. Select "LAN/VPN" for Register via
3. Enter the Display Name, Account Number/Name, Authentication ID, and Password
4. Type the LAN IP of Vigor2760 at Domain/Realm and Proxy
5. Click OK to apply the settings

2. Go to VoIP >> DialPlan >> Phone Book and click an available index, edit the phone book as follows:

1. Enable this profile
2. Type Phone Number and Display Name of the SIP account on Vigor2830
3. Type SIP URL as the LAN IP of Vigor2830
4. Click OK to apply

Configuring the Vigor2830

3. Similar to step 1, create a SIP account on Vigor2830

4. Similar to step 2, create a Phone Book with the information of SIP account on Vigor2760.

Now, we can make VoIP calls through the VPN tunnel!