Stephen Technologies Co.,Limited SVP303 SIP / H.323 ip phone user manual
27
13 Signal Port: 1720 is defaulted; usually supplied by service provider. When H323
protocol used, this port corresponds to Q.931 port and TCP protocol.
14 Control Port: 1722 is defaulted, which is usually supplied by service provider.
When H323 protocol used, this port corresponds to H245 port. Calling control
information is defined in H245 protocol.
When TCP protocol used, the port number can be set among 1024—65535.
15 RTP Port: 1722 is defaulted, which is usually supplied by service provider.
It is the port for voice flow transmission and receiving, UDP protocol is used.
The port number can be set among 1024—65535.
16 NAT Traversal: Nat DISABLE is defaulted.
Search the public IP address of NAT automatically; used for the system that
doesn’t support the telephone whose terminal is behind NAT. At this time, input IP
address of Proxy Server to ADDRESS and set port mapping on NAT to realize
double-direction calling between terminals of the telephone. There are 8 options,
including 5 private protocols.
Disable
Proxy Server is not used. This option is chosen when server and
telephone terminal are in the same LAN or server supports the telephone
terminal behind NAT.
Enable
Search the public IP address of NAT automatically; used for the system
that doesn’t support the telephone whose terminal is behind NAT. At this
time, input IP address of static Proxy Server into IP address field of Proxy
Server and set port mapping on NAT to realize double-direction calling
between terminals of the telephone.
citron
Use citron private protocol to set Gnugk system of all-routes transfer
mode for voice and signal.
auvtech
Use Auvtech private protocol system.
stun
When using Stun private protocol system, please choose it. At this time,
input IP address of static Proxy Server into IP address field of Proxy Server.
vida
When using Vida system, please choose it. At this time, input IP address
of static Proxy Server into IP address field of Proxy Server.
aivgr
When using Aivgr, please choose it. At this time, input IP address of static
Proxy Server into IP address field of Proxy Server.
eproxy
When using asiasoft system, please choose it. At this time, input IP
address of static Proxy Server into IP address field of Proxy Server.
3
IP Address of Proxy Server
When using Proxy Server to pull down the menu and select ENABLE,
stun
or
vida,
input IP address of Proxy Server.
17 NAT Address: When selecting ENABLE,
stun
or
vida,
input IP address of
