Samsung IPX-S300B System Description page 48

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Direct Inward Dialing (DID)
The Direct Inward Dialing (DID) feature allows incoming trunk calls to be directed to
different called numbers according to the DID number.
When entering a DID number, you can use wild cards (entered by X) to enter multiple
numbers at a time. The system also performs translation of the DID number so that the DID
number can be used as the called number.
The called number according to the DID number can be assigned with the user number, the
hunt group number, the ACD group number, and various feature codes, including the VMS
access code and access code + external number. They can also be assigned by time period.
Time periods are defined by ring plans. For more information, see the section on 'Ring
Plans.'
Directory Service
IPX-S300B provides Directory Service that user can search subscriber's name or number.
If User wants save result in phone-book, IPX-S300B provides that service.
If using name, at least 2 letter input must be required.
If using number, at least 3 letter input must be required.
Directory Service provides Single Phone User, Hunt Group Number, System Speed Dial
Index.
Direct Trunk Selection
IPX-S300B supports Direct Trunk Selection to use a specific trunk, which provides
services according to a status of the designated trunk. This is a service only for the FXO of
a Gateway.
Emergency Group
If user dials predefined emergency group number in an emergency situation then it is dialed
to access code of emergency type automatically. After connecting with the opponent, it is
connected to configured managers of emergency group at the same time.
History Log
IPX-S300B provides history logging capability for the events like a SPAM call, call
logging, paging on answer call, wakeup call, feature set, registration fail, dispatch call,
notice board etc.
Some Logging Services are provided for specific user.
Home Worker Support
IPX-S300B provides the same user services to home workers. The services are provided
whether the home worker's phone is connected to the public IP network or to a private IP
network within NAT (an IP router).
For a phone connected to a private IP network on NAT, the source port number used for
transmitting SIP messages must be symmetric or can be set as symmetric.
The IPX-S300B provides a built-in SBC function.
© SAMSUNG Electronics Co., Ltd.
page 48 of 162