User`s guide

Calling and Answering
Polycom, Inc. 6–9
Configuring the Global Directory
The global directory provides a list of other systems that are registered with
the Global Directory Server and available for calls. The other systems appear
in the directory, allowing users to place calls to other users by selecting their
names.
You can configure the system to use one of the following directory servers in
standard operating mode.
You can configure the system to use one of the following directory servers
when the system is automatically provisioned by a Polycom CMA or
RealPresence Resource Manager system.
Directory Servers
Supported
Authentication
Protocols
Global Directory
Groups Entry Calling Information
Polycom GDS Proprietary Not Supported May include:
• H.323 IP address (raw IPv4 address,
DNS name, or H.323 extension)
• ISDN number
LDAP with H.350 or
Active Directory
Any of the
following:
• NTLM
• Basic
• Anonymous
Not Supported May include:
• H.323 IP address (raw IPv4 or IPv6
address, DNS name, H.323 dialed digits,
H.323 ID, or H.323 extension)
• SIP address (SIP URI)
• ISDN number
• Phone number*
Microsoft Office
Communications
Server 2007 R2
NTLM Contact groups but
not distribution lists
May include:
• SIP address (SIP URI)
Microsoft Lync Server
2010
NTLM v2
encryption, up
to 128 bit
Contact groups but
not distribution lists
May include:
• SIP address (SIP URI)
* To successfully call a phone number from the LDAP directory, the phone number must be stored in one of the
following formats:
• +Country Code.Area Code.Number
• +Country Code.(National Direct Dial Prefix).Area Code.Number
Directory Servers
Supported
Authentication
Protocol
Global Directory
Groups
Entry Calling Information
LDAP by a Polycom
CMA or
RealPresence
Resource Manager
system
NTLM only Pre-defined groups
from the LDAP
directory are shown in
Polycom HDX system’s
directory
May include:
• H.323 dialed digits, H.323 ID, or H.323
extension
• Phone number*