GSM Gateway ETS-16G User
’s Manual
Shenzhen Etross Telecom Co.,Ltd
16
taking the number of successfully answered calls and dividing by the
total number of calls attempted. Since busy signals and other rejections
by the called number count as call failures, the ASR value can vary
depending on user behavior.
ACD
The Average Call Duration (ACD) is calculated by taking the sum of
billable seconds (bill sec) of answered calls and dividing it by the
number of these answered calls.
PDD
Post Dial Delay (PDD) is experienced by the originating customer as the
time from the sending of the final dialed digit to the point at which they
hear ring tone or other in-band information. Where the originating
network is required to play an announcement before completing the
call then this definition of PDD excludes the duration of such
announcements
Status
shows the port’s status: idle, talking, dialing,booting,no card,error.
Codec
Shows the current codec of the SIP voice, generally ETS-16G supports
G.711a/u law, G.723.1, G726,G.729AB
4.2.2 Trunk Information
Trunk information shows the IP trunk quantity and status.
Figure 4-2-2-1 Trunk Information
Table 4-2-2-1 Description of Trunk Information
Trunk information
Displays the IP trunk quantity, type,and status
Number
Index of the IP trunk, you can add 1 piece trunk or maximum 16 pieces
Type
Displays the IP trunk type (account /peer optional)
Enable
Displays the IP trunk on/off
Account
Trunk account name
Status
Displays trunk connection status, connect / uninstall optional
4.2.3 BCCH
The Broadcast Control Channel (BCCH) is a logical broadcast channel used by the base station in
a GSM network to send information about the identity of the network. This information is used
by a mobile station to get access to the network.
This information includes the Mobile Network Code (MNC), the Location Area Code (LAC) and a
list of frequencies used by the neighboring cells (BA: BCCH Allocation List).
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