User manual

http://www.DBL.com FXS+FXO Gateway Series

1) Inband DTMF

This style makes the special dial-tone together with talk-tone and transfer out without any

treatment. So Inband only has one way to set DTMF signaling.

2) Outband DTMF

This style uses special methods and transfers the dial-tone to certain the correctness. The

special methods are the called protocol, such as RFC2833.

G) QOS Signaling

QOS is network quality of service and ability of higher priority service that network

supports, including dedicated broadband、control and delay jitter、packet loss rate

improvement and so on. This option can label for QOS which is designated by call

signaling packets, in order to improve the network quality of service.

3.3.3.3. SIP Protocol

SIP (Session Initiation Protocol) is identified by IETF, use to create, change and release the

session of one or several participants. These sessions are like Internet Multimedia Conference, IP

phone or Multimedia Distribution. The session participants could communicate by Multicast,

Mesh Unicast, or mixture of the two.

If use SIP protocol, choose SIP Terminal, and enter SIP configuration page.

3.3.3.3.1. FXS Configuration

Click “Call Setting” and enter, the FXS Configuration corresponds with FXS interface, and

FXO Configuration corresponds with FXO interface.