Specifications

VSP725 Administrator and Provisioning Manual
41 WebUI: System
Signaling Settings
The signalling settings are also available as parameters in the configuration file. See
“network” Module: Network Settings on page 99.
Af
ter entering information on this page, click
to save it.
Voice
Click the link for each setting to see the matching configuration file parameter in
Appendix A: Configuration File Settings. Default values and
ranges are listed there.
Setting Description
Min Local RTP port Enter the lower limit of the Real-time Transport Protocol (RTP)
port range. RTP ports specify the minimum and maximum port
values that the phone will use for RTP packets.
Max Local RTP port Enter the upper limit of the RTP port range.
NAT Traversal
The NAT Traversal settings are communicated to the VoIP server so that the phone is
reachable when connected to the Internet behind NAT.
Setting Description
Enable IP Masquerading Select to enable NAT traversal and IP masquerading.
Public IP address Enter the external IP address of your router. This setting
identifies the router’s public address to the VoIP server.
Public SIP port Enter the router port number being used for SIP. This
setting identifies the router’s port to the VoIP server.
Min Public RTP port Enter the lower limit of the public RTP port range.
Max Public RTP port Enter the upper limit of the public RTP port range.