ST2030s VoIP Business Phone
ST2030s SIP Administrator Guide v3.0
Page 257 of 308
User Class Identifier
User Class identifier is a DHCP option (Opt 77) which allows DHCP servers to
serve different devices differently.
In particular, this option is useful for Provisioning scenarios with more than
one model using a similar strategy for provisioning parameter transport
using options 66/67/150.
ST2030 will send option 77 in all DHCP DISCOVER and DHCP REQUEST
messages.
The content delivered by ST2030 within this option depends on the protocol
loaded.
Hence it will be “Thomson ST2030S” or “Thomson ST2030M”
As an example, this is what would be seen with a packet sniffer with an SG
version
Feature activation
Summary of Contents for ST 2030 SIP
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