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Chapter 16-IP Network Services
Polycom, Inc. 16-15
12 Click the SIP Servers tab.
13 Modify the following fields:
Table 16-9 Default IP Network Service – SIP Servers
Field Description
SIP Server Select:
• Specify – to manually configure SIP servers.
• Off – if SIP servers are not present in the network.
Refresh Registration This defines the time in seconds, in which the Collaboration Server
refreshes it’s registration on the SIP server. For example, if “3600” is
entered the Collaboration Server will refresh it’s registration on the
SIP server every 3600 seconds.
Transport Type Select the protocol that is used for signaling between the
Collaboration Server and the SIP Server or the endpoints according
to the protocol supported by the SIP Server:
UDP – Select this option to use UDP for signaling.
TCP – Select this option to use TCP for signaling.
TLS – The Signaling Host listens on secured port 5061 only and all
outgoing connections are established on secured connections. Calls
from SIP clients or servers to non secured ports are rejected.
The following protocols are supported: TLS 1.0, SSL 2.0 and SSL
3.0.