Many providers (Vodafone, for example) use a second PPPoE dial the call via VoIP unwind. In the AVM devices, this also 2. PVC is called. If one wants to use his own simple router as this is often the biggest obstacle, since most devices that can not and therefore VoIP hardware without PPPoE functionality does not work anyway. The Grandstream but it's easy. It makes sure that is activated in the router PPPoE passthrough, configures the DP715 with all dial-up data and puts it into a LAN port.
Where there is light, but is also shadow:
1. The DECT range is resistant to the classic Gigaset devices about 25% lower.
2. Once the configuration is complete on PPPoE dial-up, you the device has no chance without reset to configure as the DHCP client for the LAN and the fixed IP address are disabled.
Conclusion:
A successful entry into the world of DECT Grandstream but there is need for improvement!