multiSwitch – user manual
© TOPEX 2008 21
4.2.2 Main Features
The main features of a client class are:
•
to allow or to restrict calls to certain phone numbers – depending on the DNIS – Dialed Number
Identification Service;
•
to allow or to restrict calls from certain phone numbers – depending on the ANI – Automatic
Number Identification;
•
to modify ANI or DNIS for a client class – the source and destination numbers;
•
to route the call depending on a client class;
•
to charge the call depending on the client class;
•
to limit the calls numbers from or to a certain client class for IN calls and OUT calls. For instance, a
client class can make a certain number of calls and also it can receive a limited number of calls.
For that he will establish the number of received calls from every client class thus the total numbers
of received calls to not be overflow.
Notice
: This feature is specially used to the IP traffic in the Class 4 multiSwitches!
•
to select the channels searching mode on TDM. There are three possibilities:
¾
increasing – from channel 1 to channel N;
¾
decreasing – from channel N to channel 1;
¾
circular – for instance 1 2 N 1 2 ...
where the N parameter depend on the number of the E1 streams used. This feature is specially used
in the SS7 trunks.
0
Warning!
To avoid congestions, it is necessary that the two ends of the connection to have different
searching modes on TDM.
For example, if one user has the increasing mode and the other has the decreasing mode, the
chance of congestion is almost zero.
•
to establish the list of codecs on the input and output. For example if an operator send traffic with
a voice codec that is not recognized by the destination the call could not be deployed.
4.3 Clients
4.3.1 Description
The clients represent the second concept of the TOPEX MultiSwitch and also an integrated
part of the Client Classes. There are several types of clients:
)
SIP
– SIP users;
)
FXS
– analogical subscribers;
)
ANI
– or
postpaid
– clients identifiable through ANI.
The MultiSwitch has a data base with the ANI codes of his subscribers. When a subscriber
wants to make a call, the MultiSwitch identifies his ANI code in the data base and allows him to
achieve the call.
)
Prepaid
– clients identifiable through PIN code.
It is a similar procedure to the ANI identification. The difference is that the MultiSwitch has a
data base with PIN codes instead the ANI codes. Usually the clients who use this option dial a certain
number to insert the PIN code. If the PIN code is retrieved in the MultiSwitch data base, they can dial
the destination number. If the user dial directly the destination number and he will not be identified on
any options above he will be automatically rejected.
Notice
: This option is used when the user can not be identified through any other options above.
)
Trunks
– junctions – links with other operators.
4.3.2 Main Features
The clients have several features described below:
