Polycom SIP 3.1 - Manual (Page 117)

Configuring Your System
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e Locate the voIpProt parameter.
Set the voIpProt.server.x.transport attribute to TCPpreferred or
TLS.
Your selection depends on the LCS configuration.
f Set the voIpProt.server.x.address to the LCS address.
For example, voIpProt.server.1.address = "lcs2005.local"
g Set the voIpProt.SIP.lcs attribute to 1.
h (Optional) If SIP forking is desired, set voIpProt.SIP.ms-forking
attribute to 1.
Refer to
SIP <SIP/> on page A-10 .
i Save the modified sip.cfg configuration file.
2. Modify the phone1.cfg configuration file as follows:
a Open phone1.cfg in an XML editor.
b Locate the registration parameter.
c Set the reg.1.address to the LCS address.
For example, reg.1.address = "7778"
d Set the reg.1.server.y.address to the LCS server name.
e (Optional) Set the reg.1.server.y.transport attribute to
TCPpreferred or TLS.
Your selection depends on the LCS configuration.
f Set reg.1.auth.userId to the phone's LCS username.
For example, reg.1.auth.userId = "jbloggs"
g Set reg.1.auth.password to the LCS password.
For example, reg.1.auth.password = "Password2"
h Locate the roaming_buddies attribute.
i Set the roaming_buddies.reg element to 1.
Refer to
Roaming Buddies <roaming_buddies/> on page A-122 .
j Locate the roaming_privacy attribute.
k Set the roaming_privacy.reg element to 1.
Refer to
Roaming Privacy <roaming_privacy/> on page A-123 .
l Save the modified phone1.cfg configuration file.
Note The TLS protocol is not supported on SoundPoint IP 300 and 500 phones.