System information

Network features 411

There are five types:

•

0x80 (Site Specific option 128)

• 0x90 (Site Specific option 144)

•

0x9d (Site Specific option 157)

• 0xbf (Site Specific option 191)

• 0xfb (Site Specific option 251)

The choice of five types enables the IP Phone to work one or more values

are already in use by a different vendor. Select one value for the Type

byte.

Length (1 octet)

The Length value is variable. Count only the number of octets in the data

field. See “Data (variable number of octets)” (page 411) .

Data (variable number of octets)

The Data field contains an ASCII-encoded character string as follows:

Nortel-i2004-A,iii.jjj.kkk.lll:ppppp,aaa,rrr;iii.jjj.kkk.ll

l:ppppp,aaa,rrr.

This string can be NULL-terminated, although the NULL is not required

for parsing.

The parameters for the data field are described in Table 92 "Data field

parameters" (page 411) and in the notes following the table.

Table 92

Data field parameters

Parameter Description

Nortel-i2004-A Uniquely identifies that this is the Nortel option, and is a response from

a server that can provide the correct configuration information to the IP

Phones.

iii.jjj.kkk.lll:ppppp Identifies IP address and port number for server

(ASCII-encoded decimal)

aaa

Identifies action for server

(ASCII encoded decimal, range 0 to 255)

Nortel Communication Server 1000

IP Phones Fundamentals

NN43001-368 05.02 26 May 2009