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Customer Service & Assistance
Gigaset C590 IP / IM-OST EN / A31008-M2215-R601-1-TE19 / appendix.fm / 22.12.10
Version 4, 16.09.2005
To define port forwarding on the router, proceed as follows:
The terms used in the following can vary from router to router.
To forward a port, you must make the following specifications (example):
Protocol
Enter UPD as the protocol to be used.
Public port
Port number/port number range on the WAN interface
Local port
The SIP and RTP port numbers set on the telephone.
In the new firmware version for Gigaset VoIP telephones, you can set a RTP port range. In this
case, you must also define corresponding port forwarding for this range.
Local host (IP)
Local IP address of your phone in the LAN. You can see the phone's current IP address in the
handset display by pressing the paging key on the base.
To enable the router to perform this port forwarding, the DHCP settings of the router must
ensure that the telephone is always assigned the same local IP address – i.e. the DHCP does not
change the IP address assigned to the telephone during operation. Alternatively, you can assign
a fixed (static) IP address to the telephone. However, you must ensure that this IP address is not
within the address range reserved for DHCP and is not assigned to any other LAN subscriber.
Protocol Public port Local port Local host (IP)
UDP 49060 49060 192.168.2.10 for SIP
UDP 49004–49010 49004–49010 192.168.2.10 for RTP
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