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PathFinder
IP
 Data Sheet 
 
94
 
 
 
 
 
 
 
December, 2005  
 
Vodavi Telenium
IP
 
Product Guide 
 
mobility ▪ presence ▪ collaboration ▪ convergence 
 
Definitions for use when discussing or planning a Unified Messaging Installation: 
 
Server –  
a.  A computer system which provides data services to end users via their PCs, wireless 
PDAs, IP phones, or other network devices. 
b.  A software application on such a computer system, which provides data services to 
clients. For example, Vodavi’s PathFinder
IP
 is comprised of many programs, including a 
POP3 email server, Telnet server, Text-to-Speech engine, etc. 
Client –  
The PC, PDA, cell phone, or other computing device which retrieves and sends files or 
messages to/from a server.  Email client programs include Outlook, Eudora, Outlook Express, 
Pine and many others.  
 
Protocol – 
A set of standards for exchanging signals between devices. The devices can include servers, PCs, 
phones. Different protocols are used to accomplish different types of communication. Protocols 
include HTTP for World Wide Web browsers, SMTP for Internet Mail, H.323 for voice over 
Internet. Here is an explanation of the email protocols used for Unified Messaging: 
 
1.  POP3—Post Office Protocol 3:   
The client email program contacts the PathFinder
IP
 directly, and pulls down email copies 
of voice messages. Your email client, therefore, logs into more than one server—it treats 
the PathFinder
IP
 as an additional email account. The questions we need to answer 
include:  Does the client support POP3?  It’s the old standard email client protocol, so 
chances are very high that your client does. Is the PC/PDA or other appliance that you 
are using capable of playing WAV files? Some cannot. 
 
2.  SMTP—Simple Mail Transfer Protocol:   
The PathFinder
IP
 server is configured to ‘push’ (send) an email containing a sound file 
directly to your email box on your email server. An advantage here is that you continue 
to just log into your PC, and when you open email your voice messages/faxes are already 
there waiting for you. What we have to make sure of is this:  Will the users’ email boxes 
allow incoming messages from PathFinder?  Often, security on the mail server is very 
tight, and a rule needs to be set up to allow the PathFinder
IP
 to send messages into it.  
 
3.  IMAP4—Internet Message Access Protocol version 4:   
The most complicated option to set up. Similar to POP3, your email client logs into the 
PathFinder
IP
 as a secondary mailbox, but there is synchronization:  when you delete a 
message in your email box, it gets deleted on the PathFinder server as well. This also has 
a disadvantage in that the user will need to manage a separate folder for voice messages 
in the email box; they do not get deposited into the main Inbox. Stay away from this one 
if you like to Keep ISimple, Samuel!  
 
Of the three protocols above, SMTP is for sending and transferring email. POP3 and IMAP4 are 
for receiving and managing email. IMAP4 also offers the user the ability to store messages in 
folders on the server, instead of having to download every message to the client computer and 
delete from the server.