Edgewater Networks 4200 Series - SIP Settings

4200 User Manual Edgewater Networks, Inc.
Version 3.0 16
before it presents the IP telephone or data device
through its public WAN port. (see System for License
key details) When the ALG is not registered this text will
read “
Invalid License Key. The device has to be
registered
.”
o Do strict RTP source check --

 This feature is designed to
prevent a specific RTP-based Denial-of-Service attack as well as
address network based gateways that periodically fail to stop
sending an RTP stream when a call ends. If the source of an
inbound RTP stream does not match the IP Address and Port for
an existing outbound RTP stream, then it is assumed that the
inbound stream is "rogue RTP". When rogue RTP is detected, a
syslog message is generated and the inbound stream is
dropped.
⇒ Select Submit.
⇒ Select the Protocol you want to configure in the Left hand frame;
☞ SIP
☞ MGCP
☞ H.323
SIP Settings
⇒ Select VoIP ALG
⇒ Select SIP
o SIP Server Address --

 If a SIP ALG is needed, enter the address
(either an IP or URL) for the SIP Server and port number as provided.
The SIP server provides session-initialization protocol service to IP
phones, client adapters and gateways.
o Enable Multi-homed Outbound Proxy Mode --

 Enable Multi-
homed Outbound Proxy Mode setting allows phones behind the
same System to utilize the default softswitch or one of their own
choosing.
o Enable Transparent Proxy Mode --

 Enable Transparent Proxy
Mode setting allows the System to intercept SIP messages from a
LAN-side phone regardless of the Outbound Proxy and SIP Proxy
values configured in the phone.
 Select Enable Transparent Proxy mode and submit
o Allowed SIP Proxies --

 Round robin SIP requests
setting forces the System to forward requests from