Siemens GIGASET A580 User Manual page 31

First steps
Please note
If port forwarding is activated on your router for the ports that have been reg-
istered as the SIP port (Standard 5060) and the RTP port (Standard 5004), it is
advisable to deactivate DHCP and assign the phone a static IP address (other-
wise you may not be able to hear the other party during VoIP calls):
u
Assign an IP address via the handset menu:
§Menu§
Or
u
Assign an IP address via the Web configurator:
¤
Open the following Web page:
¤
Select
Please note that the IP address and subnet mask depend on the router's
address block.
You must also enter the standard gateway and DNS server. The IP address for
the router is generally entered here.
30
£ £ £
Settings Base
IP address type.
Local Network
£
Settings IP Configuration.