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101

MultiVOIP User Guide Cable Pinouts

359

Well Known Port Numbers

The following description of port number assignments for Internet Protocol (IP)

communication is taken from the Internet Assigned Numbers Authority (IANA) web

site (www.iana.org).

“The Well Known Ports are assigned by

the IANA and on most systems can only

be used by system (or root) processes or

by programs executed by privileged

users. Ports are used in the TCP

[RFC793] to name the ends of logical

connections which carry long term

conversations. For the purpose of

providing services to unknown callers, a

service contact port is defined. This list

specifies the port used by the server

process as its contact port. The contact

port is sometimes called the "well-

known port". To the extent possible,

these same port assignments are used

with the UDP [RFC768]. The range for

assigned ports managed by the IANA is

0-1023.”

Well-known port numbers especially pertinent to MultiVOIP operation are listed

below.

Port Number Assignment List

Well-Known Port Numbers

Function Port Number

telnet 23

tftp 69

snmp 161

snmp tray 162

gatekeeper registration 1719

H.323 1720

SIP 5060

SysLog 514

1 2 ... 354 355 356 357 358 359 360 361 362 363 364 ... 394 395

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