Parameter Reference
71
X_XsiServer Host name or IP address of the Broadsoft XSI 
application server.
X_XsiServerPort Listening port of the Broadsoft XSI application 
server. If not specified or 0, the default ports are 80 
for HTTP and 443 for HTTPS.
0
X_XsiServerScheme Scheme to access the Broadsoft XSI application 
server.
HTTP
UserAgentDomain CPE domain string. If empty, device uses 
ProxyServer as its own domain to form its AOR 
(Address Of Record) or Public Address when 
constructing SIP messages (for example, in the 
FROM header of outbound SIP Requests). 
Note: If SPn Service::URI is specified, additional 
rules applied in forming the AOR. See the 
description of the URI parameter for more details and 
examples. 
OutboundProxy Host name or IP address of the outbound proxy. 
Outbound proxying is disabled if this parameter is 
blank. 
OutboundProxyPort Destination port to be used in connecting to the 
outbound proxy. 
5060 
X_OutboundProxyTransport Controls the SIP transport for the outbound proxy 
server, which can be different from that of the proxy 
server. Choose from:
• UDP 
• TCP 
• TLS 
• Follow ProxyServerTransport 
Follow 
ProxyServerTransp
ort 
X_UserAgentContactFollowPr
oxyServerTransport 
If enabled, the user agent uses a Contact and Via 
transport that agrees with ProxyServerTransport. 
No
X_BypassOutboundProxyInC
all
Enables bypassing the OutboundProxy inside the 
SIP dialog. 
No
RegistrationPeriod Nominal interval between device register in seconds.  60 
X_RegistrationMargin Number of seconds before current registration 
expires that the device should re-Register (for 
example, 5 seconds). If value is less than one, it is 
interpreted as a fraction of the current expires value 
(for example, 0.1 of 60 seconds is 6 seconds). If 
value is 0 or blank, the device determines a proper 
margin on its own. 
TimerT1 Value of SIP timer T1 in ms. 500 
ITSP Profile X – SIP Web Page (X = A, B, C, D, E, F, G, H) Settings Parameter Guide
Parameter Description Default Setting