BG9008W User Manual
Page 66 of 133
technology, the most popular protocol is Session Initiation Protocol(SIP).
SIP trunk is a VoIP service
based on the SIP by which Internet telephony service providers (ITSPs) deliver telephone services and
unified communication to customers equipped with private branch exchange (IP-PBX) facilities.
3.5.2 Introduction about SIP
SIP
The Session Initiation Protocol (SIP) is a signaling protocol used for establishing sessions in an
IP network. The protocol can be used for creating, modifying and terminating two-party (unicast)
or multiparty (multicast) sessions. Sessions may consist of one or several media streams.
IMS
IMS widely known as IP Multimedia Subsystem is an IP multimedia and telephony core network
that is defined by 3GPP and 3GPP2 standards and organizations based on IETF Internet
protocols. IMS is a set of specifications that describes the Next Generation Networking (NGN)
architecture for implementing IP based telephony and multimedia services. It defines a
complete architecture and framework that enables the integration of voice, video, data and
mobile network technology over an IP-based infrastructure.
Related
Parameters
IP Trunk Group: Each account is required to specify a SIP trunk group number which will
be used in the call route.
Phone Number: Used to bind SIP account with subscriber. The subscriber which
configured this number as caller number will select this account to callout, and the
subscriber which configured this number as external called number will ring when call in
from this account.
Authentication User Name: The user name for SIP authentication. The user account will be
used for authentication if this parameter leaves blank.
3.5.3 Registered
Server
More IP trunk accounts can be configured in device, and each account can be registered to different SIP
server.
Choose the menu
SIP Trunk
→
Register IP Trunk
→
Registered Server
to load the following page.
Figure 3-100
Registered Server List
On click
Add
button to load the following page.
