Polycom 1725-31424-001 User Manual
Upgrading Polycom CX700 Phone within a Microsoft Office Communications Server 2007 R2 Environment
25
DNS
Type
Name
Port
IP Address / FQDN
Internal Zone
<SIPDomain>
A
sip.<SIPDomain>
N/A
IP/VIP of Pool running Device
Update.
Update.
A
autodiscover.<SIPDomain>
N/A
Internal IP/VIP of Exchange
server running CAS role. Note:
this assumes SIP URI matches
the user’s Primary SMTP
address in Exchange.
server running CAS role. Note:
this assumes SIP URI matches
the user’s Primary SMTP
address in Exchange.
SRV
_sipinternaltls._tcp.<SIPDomain>
5061
FQDN of Pool containing user(s)
signing into the OCPE device
being upgraded.
signing into the OCPE device
being upgraded.
SRV
_ntp._udp.<SIPDomain>
123
time.windows.com or FQDN of
internal or external time source
internal or external time source
Internal Zone
<DHCPDomain>
A
ucupdates-r2.<DHCPDomain>
N/A
IP/VIP of Pool running Device
Update.
Update.
A
poolName.<DHCPDomain>
N/A
IP/VIP of Pool running Device
Update.
Update.
External Zone
<SIPDomain>
A
sip.<SIPDomain>
N/A
External IP/VIP of Access Edge
server.
server.
A
autodiscover.<SIPDomain>
N/A
External IP/VIP of Exchange
server running CAS role. Note:
this assumes SIP URI matches
the user’s Primary SMTP
address in Exchange.
server running CAS role. Note:
this assumes SIP URI matches
the user’s Primary SMTP
address in Exchange.
A
reverseProxyFQDN.<SIPDomain>
N/A
IP of reverse proxy specified in
the ExternalBaseURL WMI
setting.
the ExternalBaseURL WMI
setting.
SRV
_sip._tls.<SIPDomain>
443
FQDN of Access Edge server.
SRV
_ntp._udp.<SIPDomain>
123
time.windows.com or FQDN of
external time source
external time source
External Zone
<DHCPDomain>
A
ucupdates-r2.<DHCPDomain>
N/A
IP of reverse proxy specified in
the ExternalBaseURL WMI
setting.
the ExternalBaseURL WMI
setting.
Polycom CX700 phones running release 1.0.199.123 look for time.windows.com by
default and use it if it's reachable. If not, they append <DHCPDomain> to
time.windows.com and try again (e.g. time.windows.com.contoso.com).
default and use it if it's reachable. If not, they append <DHCPDomain> to
time.windows.com and try again (e.g. time.windows.com.contoso.com).
Polycom CX700 phones running 3.5.6907.35 use SRV records to locate a time
source but also checks for a time.windows.com A record for reporting its time back
to the pool (applies to 1.0.199.123 and 1.0.522.101 also).
source but also checks for a time.windows.com A record for reporting its time back
to the pool (applies to 1.0.199.123 and 1.0.522.101 also).