PBX (Private Branch eXchange)A private telephone network in an organization. Individual telephone numbers or extension numbers are supported, and calls are automatically routed to…
perimeter networkAn Internet Protocol (IP) network segment that contains resources, such as Web servers and virtual private network (VPN) servers, that are available to…
PhishingWhen internet fraudsters impersonate a business in an attempt to trick you into giving out your personal information, such as usernames, passwords, and…
phishing confidence levelA property of each e-mail message that the Office Outlook 2003 Junk E-mail Filter stamps as a property on the message when it is processed in the Outlook…
Pickup directoryA directory that receives RFC-822 compliant files from the file system for the purpose of creating message objects that can be passed to the Submission…
pilot identifierThe string that is received with a new call that is used to associate the call with a dial plan. [Exchange 2007]
pilot numberA telephone number that points to a hunt group and is the access number for calls that are routed to Unified Messaging servers.
PINNoncancerous growth of cells lining the internal and external surfaces of the prostate gland.
pipeA circular conduit constructed of any one of a number of materials that conveys water by gravity or under pressure.
pipe, toSame as "to pipeline": In the Microsoft Exchange Management Shell, the act of one cmdlet using the output of another cmdlet when it performs an operation.
pipeliningIn the Exchange Management Shell, one or more chained commands that are separated by the pipeline operator.
PKI (public key infrastructure)The laws, policies, standards, and software that regulate or manipulate certificates and public and private keys.
Play on PhoneA Unified Messaging feature that users can use to play their voice messages or play and record personalized voice mail greetings, over a telephone.
poison message queueA persistent queue that isolates messages that are detected as potentially fatal to an Exchange Server 2007 server. This queue is typically empty.
poison queueQueue to isolate messages that are detected as potentially harmful to the Exchange 2007 system after a server failure.
predicateIn Exchange Server 2007, a function that is used as a condition or exception on a transport rule to determine whether an action should be applied to an…
priority queuingA feature of Exchange Server 2007 Service Pack 1 (SP1) that enables the sender-defined priority of a message to influence the processing of the message by…
promptAn audio message played over the telephone to explain valid options to users. [Exchange 2007]
prompt publishing pointA file share where storage space is available for Unified Messaging custom prompts. Each dial plan has only one prompt publishing point.
property setA property set is a grouping of Active Directory attributes. You can control access to this grouping of Active Directory attributes by setting one access…
Protocol Analysis agentThe underlying agent that is used by the Sender Reputation feature in Exchange Server 2007.
public folderA folder that coworkers can use to share a wide range of information, such as project and work information, discussions about a general subject, and…
public folder databaseA database that stores public folders, indexes their contents, and assists in the replication of the folders with other Exchange servers.
public folder distributionThe distribution method by which Outlook 2003 or earlier clients that are working offline or through a dial-up connection access the offline address book…
public keyAn encryption key associated with a Notes ID that is used to verify an electronic signature, encrypt a message, or identify an authenticating user.