Polycom MGC Administrator Administrator's Manual page 130

Chapter 3 - Defining Network Services
3-80
Table 3-24: SIP Settings Dialog Box Options (Continued)
Field
Domain Name or IP Conferences and Entry Queues can be registered in
Alternate SIP
Server
IP Address or
Name
Port
Domain Name or IP Same as for the Preferred SIP Server. Enter the
Description
the proxy in the format user@host. For example,
EQ1@polycom.com, where EQ1 is the user part and
polycom.com is the host part.
When dialing to a conference or Entry Queue, the
SIP server expects to receive the host either as
domain name or as an IP address.
The domain name is used for identifying the SIP
server in the appropriate domain according to the
host part in the dialed string. For example, when the
call to EQ1@polycom.com reaches its the outbound
proxy, this proxy looks for the SIP server in the
polycom.com domain to which it will forward the call.
When this call arrives to the SIP server in
polycom.com, the server looks for the registered user
(EQ1) and forwards the call to this Entry Queue or
conference.
• Off – No SIP server will be used in case of failure
of the preferred SIP server.
• Specify – Select this option to manually define
the SIP server that will be used in case of failure
of the preferred SIP server.
If you have selected Specify, enter either the IP
address of the SIP server that will be used in case of
failure of the preferred SIP server, or its domain
name (if a DNS server is used).
Enter the number of the TCP or UDP port used for
listening. The port number has to match the port
number configured in the SIP server.
domain name or IP address to identify the host and
the registered Entry Queue/conference in the dialed
string of the call.