
288 BSGX4e Business Gateway User Guide
NN47928-102 Release 01.01
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*90 Service SFWA 0 0
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SIP Endpoints
This section provides guidelines to configure the SIP endpoints to be managed by
the BSGX4e device.
To enable a SIP endpoint to place and receive calls, it must be:
Allowed access by the Access Control List (ACL). See “Access Control List (ACL)”
(page 232).
Registered with the SIP server through the SIP session controller.
These requirements also apply to the SIP gateway because the SIP session controller
handles the gateway as a SIP endpoint. However, unlike other endpoints, you cannot
configure an ACL entry to disallow the SIP gateway. The ACL entry is automatically
allowed to place and receive calls and cannot be disallowed.
Preparing Endpoints for Registration
The SIP endpoints need to be registered to the SIP server through the SIP session
controller using the SIP method REGISTER. To be able to be registered, the SIP
endpoints must be configured as follows:
SIP registration must be enabled.
The SIP proxy must be the LAN IP address of the BSGX4e device.
The SIP proxy port must be the one configured as the LAN Rx port in the SIP
session controller.
No SIP outbound proxy is needed.
NAT/firewall traversal must be disabled.
The SIP domain must be the LAN IP address of the BSGX4e device.
For example, for a Cisco SIP phone 7960, firmware P0S3-07-5-00, the following
configuration is required (interactive menu or text configuration file):
proxy_register: 1 (enabled)
proxy1_address: LAN IP address of the BSGX4e device
proxy1_port: LAN Rx port of the SIP session controller
outbound_proxy: blank
nat_enabled: 0
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