Spectralink h340 User Manual download pdf (Page 31)

SpectraLink Corporation Configuration and Administration—NetLink e340/h340/i640 Wireless Telephone

with SIP

PN: 72-1089-02-D.doc Page 31

5. SIP Integration Factors

CODECs

The NetLink e340/h340/i640 Wireless Telephones are compatible with the G.711µ-

law and G.711a-law codecs. There is no setting required on the handset.

DHCP

Dynamic Host Configuration Protocol (DHCP) is a standardized protocol that

enables clients to be dynamically assigned with various configuration parameters,

such as an IP address, subnet mask, default gateway, and other critical network

configuration information. DHCP servers centrally manage such configuration data,

and are configured by network administrators with settings that are appropriate for a

given network environment. The handset will use the following DHCP options if

DHCP use is enabled:

Option Meaning

1 Subnet mask

3 Default gateway

6 DNS server

15 Domain name

66 TFTP server

151 NetLink SVP Server

152 NetLink OAI Gateway

siaddr Boot server or next server

DNS

Domain Name System (DNS), an industry-standard protocol, locates computers on

an IP-based network. IP networks rely on number-based addresses to move

information on the network. However, it is easier to remember friendly names than

number-based addresses, so it is necessary to translate user-friendly names into

addresses that the network can recognize. The handset will use DNS to automatically

translate names into IP addresses for the TFTP server and NetLink SVP Server.

In DHCP mode, the SIP handset will use DNS to look up an address for the logical

name “siptftp” to locate the SIP TFTP file server. If this logical name is undefined,

then the address specified by option 66 is used for the SIP TFTP server.

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Spectralink h340 User Manual Page 31