Preparing Your ShoreTel System for IP Phones Chapter 15: IP Phone Installation
210
To add a site with IP phones, click New and enter the information on the Site IP Address
Range edit page (see Figure 15-2). To delete a site from the list, click the check box to the
left of the site and click the Delete button.
To edit the IP address range for a site:
Step 1 On the IP Address Map List page, in the Site column, click the site for which
you are setting a range. The Site IP Address Range edit page appears as shown
in Figure 15-2.
Step 2 If you are setting the IP address range for a site other than shown in the Site
field, select it from the list.
Step 3 Enter the lowest IP address in the Low IP Address field.
Step 4 Enter the highest IP address in the High IP Address field.
Step 5 If you are setting a range for teleworker IP phones, click the Teleworkers check
box.
Step 6 To set the new range, click Save. You can set ranges for other sites in the system
by clicking Previous or Next.
If a phone is added with an address that is not within a specified range for any
site, or there are no IP address ranges defined for any site, the telephone will be
automatically assigned to the headquarters site. This causes seven-digit
numbers dialed from the IP phone to be dialed as numbers within the area code
of the headquarters site. In addition, this causes all telephone calls to users who
are not at the headquarters to use the configured inter-site voice encoding for
that system.
15.3.5 DHCP Settings
ShoreTel IP phones are preconfigured to use the network’s DHCP server for addressing and
time zone information. In addition to its address and standard network addresses, the
DHCP server’s response also provides the following:
ShoreTel server address: The ShoreTel server’s address is used to access and
download the latest telephone application software and the configuration
information for the ShoreTel 8 system.
SNTP server and time zone offset: The SNTP provides a standard network time to
maintain the telephone’s displayed time and date. The time zone offset indicates the
correct offset from GMT time to ensure that the time display matches the user’s
time zone.
15.3.5.1 ShoreTel Server Address
The ShoreTel server provides the IP phones with the latest application software and the
configuration information that enables the IP phone to be automatically added to the
ShoreTel 8 system. The ShoreTel server’s address must be provided to the phone as a vendor-
specific option. ShorePhone-IP100 phones are preconfigured to look for the ShoreTel
server’s address to be specified as Vendor Specific DHCP Option 155. ShorePhone-IP110/
210/212k/230/530/560/560g phones are preconfigured to look for the ShoreTel server’s
address to be specified as Vendor Specific DHCP Option 156. If these options are not
available, the ShoreTel IP phones will use Option 66.
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