Dell PowerConnect J-SRX240 Hardware Guide - Page 46

Basic Functions, Common Deployment Scenarios

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PowerConnect J-SRX240 Services Gateway Hardware Guide The J-SRX240 Services Gateway with Integrated Convergence Services also offers the following additional features: • Voice mail answering and retrieval via PSTN digit mapping • Digit manipulation for remapping digits • Caller ID support for detection and transmission of caller information (for USA standards) • Call waiting for SIP phones in which the user is alerted about a pending, incoming call • Call hold and resume in which SIP calls may be placed on hold and resumed by the SIP phone user • Local auto attendant with a standard workflow, allowing the caller to enter an extension number to reach the call destination Basic Functions The J-SRX240 Services Gateway with Integrated Convergence Services performs the following basic functions: • Bridges the VoIP network to the PSTN so that calls can be made from remote SIP and PSTN phones and routed to local analog telephones, fax machines, and local SIP phones behind the media gateway • Assumes the call routing role as a survivable call server for local SIP or analog phones, in the event of loss of WAN connection • Supports emergency calling (E911) by providing the mechanism for detecting emergency calls from local VoIP phones and passes these calls to the PSTN when detected • Provides lifeline support in the event of power loss by connecting a port that has an analog phone to a port that is connected to the PSTN • Provides power failover support for one analog phone and PSTN FXO port Common Deployment Scenarios The J-SRX240 Services Gateway with Integrated Convergence Services is deployed in the following environments: • Enterprises that deploy VoIP in their headquarters and want to enable VoIP functionality for their branch offices • Services providers (SPs) who provide VoIP services to their business customers • Branch sites currently using a local key system/PBX that want to utilize SIP trunking services • Branch sites that use a local IP-PBX connected to the users through analog or digital lines Related Topics • Configuring the J-SRX240 Services Gateway with Integrated Convergence Services on page 32 30

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The J-SRX240 Services Gateway with Integrated Convergence Services also offers the
following additional features:
•
Voice mail answering and retrieval via PSTN digit mapping
•
Digit manipulation for remapping digits
•
Caller ID support for detection and transmission of caller information (for USA
standards)
•
Call waiting for SIP phones in which the user is alerted about a pending, incoming call
•
Call hold and resume in which SIP calls may be placed on hold and resumed by the
SIP phone user
•
Local auto attendant with a standard workflow, allowing the caller to enter an extension
number to reach the call destination
Basic Functions
The J-SRX240 Services Gateway with Integrated Convergence Services performs the
following basic functions:
•
Bridges the VoIP network to the PSTN so that calls can be made from remote SIP and
PSTN phones and routed to local analog telephones, fax machines, and local SIP
phones behind the media gateway
•
Assumes the call routing role as a survivable call server for local SIP or analog phones,
in the event of loss of WAN connection
•
Supports emergency calling (E911) by providing the mechanism for detecting emergency
calls from local VoIP phones and passes these calls to the PSTN when detected
•
Provides lifeline support in the event of power loss by connecting a port that has an
analog phone to a port that is connected to the PSTN
•
Provides power failover support for one analog phone and PSTN FXO port
Common Deployment Scenarios
The J-SRX240 Services Gateway with Integrated Convergence Services is deployed in
the following environments:
•
Enterprises that deploy VoIP in their headquarters and want to enable VoIP functionality
for their branch offices
•
Services providers (SPs) who provide VoIP services to their business customers
•
Branch sites currently using a local key system/PBX that want to utilize SIP trunking
services
•
Branch sites that use a local IP-PBX connected to the users through analog or digital
lines
Related Topics
Configuring the J-SRX240 Services Gateway with Integrated Convergence Services on
page 32
•
30
PowerConnect J-SRX240 Services Gateway Hardware Guide