ZyXEL Communications Corporation P8802T Manuel D’Utilisation

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Chapter 15 Voice
Basic Home Station VDSL2 P8802T User’s Guide
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23’ in SIP 
messages
Replace a dial digit “#” with “%23” in the INVITE messages.
Remove ‘:5060’ 
and 
'transport=udp' 
from request-
uri in SIP 
messages 
Remove “:5060” and “transport=udp” from the “Request-URI” string in 
the REGISTER and INVITE packets.
Remove the 
'Route' header 
in SIP 
messages 
Remove the 'Route' header in SIP packets. 
Don't send re-
Invite to the 
remote party 
when there are 
multiple codecs 
answered in the 
SDP
Do not send a re-Invite packet to the remote party when the remote 
party answers that it can support multiple codecs??
Bound Interface 
Name
Bound Interface 
Name
If you select LAN or Any_WAN, the VDSL Router automatically 
activates the VoIP service when any LAN or WAN connection is up.
If you select Multi_WAN, you also need to select the pre-configured 
WAN connections. The VoIP service is activated only when one of the 
selected WAN connections is up.
Outbound Proxy
Outbound Proxy 
Address
Enter the IP address or domain name of the SIP outbound proxy server 
if your VoIP service provider has a SIP outbound server to handle voice 
calls. This allows the VDSL Router to work with any type of NAT router 
and eliminates the need for STUN or a SIP ALG. Turn off any SIP ALG on 
a NAT router in front of the VDSL Router to keep it from re-translating 
the IP address (since this is already handled by the outbound proxy 
server). 
Outbound Proxy 
Port
Enter the SIP outbound proxy server’s listening port, if your VoIP 
service provider gave you one. Otherwise, keep the default value.
RTP Port Range
Start Port
End Port
Enter the listening port number(s) for RTP traffic, if your VoIP service 
provider gave you this information. Otherwise, keep the default values.
To enter one port number, enter the port number in the Start Port and 
End Port fields.
To enter a range of ports,
• enter the port number at the beginning of the range in the Start 
Port field.
• enter the port number at the end of the range in the End Port field.
DTMF Mode
Table 74   VoIP > SIP > SIP Service Provider (continued)
LABEL
DESCRIPTION