© 2016 InnoMedia, Inc. All rights reserved.
Page 18
InnoMedia MTA8328-1 Administrative Guide
Field Name
Description
SIP Proxy Server
Proxy Server
IP/FQDN of SIP Server. Can enter more than
1 proxy by separating each with a comma (,).
Local SIP Port
SIP port used by MTA
Preferred
Transport Protocol
TLS, TCP, UDP
MTA uses the defined value or the queried
result from DNS SRV. Default setting is UDP.
Enable Outbound
Proxy
Enable/Disable Outbound Proxy
Checked (enabled): the MTA does DNS
A record lookup only.
Unchecked (disabled): the MTA does
both DNS SRV and A record lookup. The
server may respond with additional A
records for SRV requests.
SIP Domain
Domain name of SIP service provider, used
as part of user URI.
Access Network
Info
RFC 3455 P-Access-Network-Info header
support.
Allowed for Reg
Retry
List of error codes that respond to REGISTER
requests. The MTA will continue to retry
register only for error codes in this list. A
negative list can be created by putting a
leading ~ in front of the list; this will cause
the MTA to not retry to REGISTER when it
sees any of these error codes. This can
prevent an infinite loop of REGISTER-
RESPONSE(s)
SIP Ping Proxy
MTA sends SIP OPTION ping message to an
assigned server as a keep-alive message.
SIP Option
100 Rel Support
Enable 100 Rel response support.
Enable Switching
Proxy in Response
to DNS SRV Priority
Change
When this item is enabled, whenever the
MTA sends REGISTER requests and the SRV
TTL has expired, it performs an SRV query
and the MTA will switch to the most
preferred SIP server (lowest priority) in the
SRV query response.
If this item is disabled, the MTA stays with
the currently registered SIP proxy and only