Specifications

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Title Explanation
Session border
proxy
Server Set the IP address and port number of session border proxy server. The
character of “:” must be used between IP address and port number.
Server address could be set into IP address or domain name. When
domain name is used, “DNS service” must be activated as shown in the
page of “Configure network parameter”, and “DNS server” must be
configured. Examples:“201.30.170.38:5060” and “softswitch.com:5060”.
Signaling port
Signaling port value of the gateway，the default value is 4660. Signaling
port number could be set at will, but can not conflict with other ports of
equipment.
2.6.2 Media Stream
After login, click the label of “Advanced > Media Stream” to open this interface.
Figure 2-13 Media stream configuration interface
Table 2-16 Media stream configuration parameter
Title Explanation
Min. RTP port The minimum value of UDP ports for RTP transmission and receiving,
and the parameter must be greater than or equal to 3000. This field must
be filled in.
Note: each phone call will occupy RTP and RTCP ports. If the gateway
is equipped with 4 subscriber lines (or trunk line), then at least 8 UDP
ports are needed.
Max. RTP port The maximum values of UDP ports for RTP’s transmission and
receiving.
This field must be filled in. It’s advisable to be greater than or equal to
“2× number of lines ＋min. RPT port”.