
Option Description
12 Specifies the Hostname. By default, the Hostname is “T”+MAC
Address. For example,
T001765FDBF1D. The Hostname can be
manually provisioned using the keypad.
53 Specifies the DHCP Message Type.
55 Specifies the messages to tell the server which options the IP
Deskphone is requesting. It appears in the Discover and Request.
The SIP 3.0 software requests the following options
• 1 - IPv4 Subnet Mask
• 3 - Router
• 6 - Domain Name Server
• 15 - Domain Name
• 28 - Broadcast Address
• 43 - Vendor Specific Information
• 58 - Renewal Time
• 59 - Rebinding Time
• 66 - TFTP Server Name. The client treats this more generically
as a request for the provisioning server name and protocol.
• 99 - Must not be included
• 128, 131, 144, 157, 188, 191, 205, 219, 223 - Specifies old site
specific options. Recovered by IANA according to RFC 3942 and
must not be used for new installations.
• 224, 227, 230, 232, 235, 238, 241, 244, 247, 249, 251, 254-
Specifies site specific options.
57 Specifies maximum DHCP message size. The maximum message
size is 1
190 bytes.
60 Sends “Nortel-SIP-Phone-A” as the Vendor Identifier.
61 Specifies Client Identifier (MAC Address).
Server to IP Deskphone Options
The DHCP
server can send any option to the IP Deskphone as part of the DHCP Offer
message. The IP Deskphone accepts the following options:
DHCP Option Description
IPv4 Address
Server to IP Deskphone Options
SIP Software for Avaya 1200 Series IP Deskphones-Administration November 2012 81
Comentarios a estos manuales