Справочник Пользователя для AASTRA phone 312

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Appendix

Supported DHCP options

DHCP options supported by the Aastra Phone 312

Desig-
nation Name

Length Meaning

Reference

Comment

1

Subnet mask 

4    

Subnet mask value

[RFC2132]

Optional

2

Time offset

4    

Time offset in 
seconds from UTC

[RFC2132]

Optional

3

Router 

N    

N/4 Router addresses

[RFC2132]

Optional, only first 
entry used

6

Domain server

N   

N/4 DNS server 
addresses [RFC2132]

Optional

15 Domain name

N

The DNS domain name 
of the client

[RFC2132]

Optional

42 NTP servers

N

NTP Server addresses

[RFC2132]

Optional, only first 
entry used

43 Vendor specific N

Vendor specific 
information [RFC2132]

Necessary 

if 

accounts are configured 
per DHCP, otherwise 
optional

Used producer-dependent options (vendor specific information)

Desig-
nation Name

Length Type

Meaning

Comment

17 Country

2   

u16   

Country, 
see table below

Optional

20 System name 

N

text  

Name of account

Optional

21  SIP proxy

N 

text  

SIP proxy address|name[:port]

Necessary if 
accounts are configured 
per DHCP, otherwise 
ignored

22 SIP registrar 

N 

text  

Registrar address|name[:port]

Optional

23 SIP outbound 

Proxy

N

text 

Outbound proxy address[:port] Optional

24 SIP user ID 

N 

text

SIP user ID  

Necessary if 
accounts are configured 
per DHCP, otherwise 
ignored

25       SIP password

N 

text

Registrar address|name[:port]

Optional