User manual

Http://www.hybertone.com HT-822P VoIP FXS+PSTN Gateway

A） Signaling Port (SIP Local port)

SIP local port is the local UDP port; the SIP proxy could have a conversation with SIP

proxy server or other SIP user.

B） Outbound Proxy

This field shows the SIP outbound proxy IP address. In most cases, the SIP outbound

proxy is placed alongside the firewall and is the way to let SIP traffic pass from the internal

network to the Internet. Please ask your network administrator for these parameters.

C） NAT Keep-alive

Send NAT Keep_alive message to SIP server.

D） P2P

Point to point mode.

E） Virtual Ringback

F） Advanced Timing