Adding A 176 Option - Avaya IP Office H.323 Telephone Installation Manual

5. Click OK.
6. In the string value field, enter the following:
MCIPADD=xxx.xxx.xxx.xxx,MCPORT=1719,HTTPSRVR=yyy.yyy.yyy.yyy,HTTPDIR=z, VLANTEST=0
where:
MCIPADD= the H.323 Gatekeeper (Callserver) address. Normally, this is the IP Office Unit's LAN1 address.
·
You can enter several IP addresses, separating each by a comma with no space. This allows specification of a
fallback H.323 gatekeeper.
Note: The phones will wait three (3) minutes before switching to the fallback and will not switch back when
the first server recovers, until the phone is rebooted.
· MCPORT= the RAS port address for initiating phone registration. The default is 1719.
· HTTPSRVR= the HTTP file server IP address.
· HTTPDIR= the HTTP file directory where the IP phone files are located. This entry is not required if those
files are in the server's root directory.
· The maximum string length is 127 characters. To reduce the length, the TFTP Server address can be specified
through attaching an Option 66 entry to the Scope. See
7. Click OK.
8. Expand the server by clicking on the [+] next to it.
9. Click on the scope you just created for the 1600 and 9600 phones.
10.In the right-hand panel, right-click on the scope and select Scope Options.
11.In the general tab, make sure 242 is checked.
12.Verify the String value is correct and click OK.
Having created a 242 option and associated with the scope we want used by the IP phones, we now need to
the scope .
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6.5 Adding a 176 Option

4600 and 5600 Series H.323 IP phones use SSON 176 to request additional information from a DHCP server. The option
176 scope can be set up to use the same HTTP file server as shown for 1600 Series phones in the
However, some older 4600 Series H.323 IP phones only support TFTP so the options for a TFTP scope are shown below.
1. Right-click on the DHCP server.
2. From the pop-up menu, select Predefined options.
3. Select Add.
4. Enter the following information:
· Name: 46xxOptions
· Data type: String
· Code: 176
· Description: IP Phone settings
5. Click OK.
6. In the string value field, enter the following:
MCIPADD=xxx.xxx.xxx.xxx,MCPORT=1719,TFTPSRVR=yyy.yyy.yyy.yyy,TFTPDIR=z, VLANTEST=0
where:
MCIPADD= the H.323 Gatekeeper (Callserver) address. Normally, this is the IP Office Unit's LAN1 address.
·
You can enter several IP addresses, separating each by a comma with no space. This allows specification of a
fallback H.323 gatekeeper.
Note: The phones will wait three (3) minutes before switching to the fallback and will not switch back when
the first server recovers, until the phone is rebooted.
· MCPORT= is the RAS port address for initiating phone registration.
· TFTPSRVR= is the TFTP Server IP Address. Normally, this is the IP address of the PC running Manager.
· TFTPDIR= is the TFTP Server directory where the IP phone files are located. This entry is not required if
those files are in the TFTP server's default directory.
H.323 Telephone Installation
IP Office
Alternate DHCP Server Setup: Adding a 242 Option
Alternate Options .
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15-601046 Issue 17e (Wednesday, November 14, 2012)
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