page 24 innovaphone IP DECT
VPN protocol PPTP, the DSL protocol PPPOE and the address translation with
NAT.
4.1.2.1 Configuration/IP/Settings
The basic IP settings are made here.
ToS Priority Configuration of the ToS (Type of Service) field for voice pak-
kets. The value 0x10 is used as standard. Consequently, voice
data receives priority forwarding.
First UDP
RTP port /
numbers of
port
This entry restricts the range of ports in which UDP RTP voice
data (User Datagram Protocol Real-time Transport Protocol) is
received for H.323 or SIP calls. The port range 16384 to 32767
is used as standard. 128 ports are the smallest range. For a
voice connection, an RTP port and an RTCP port are used.
See also the notes contained in Appendix B “
Troubleshooting
”,
section “
Port settings in respect of NAT and firewalls
”.
First UDP
NAT port /
numbers of
port
This entry restricts the range of ports that may use UDP NAT
data (Network Address Translation).
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