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Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator’s Guide (H.323)
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Chapter5 Parameters and Defa ults
Operating Parameters
Related Parameters
•NTPIP, page 5-30
•TimeZone, page 5-29
DNS1IPDescription
This parameter is the primary domain name server (DNS) IP address, if the DHCP server does not
provide one. If DHCP provides DNS, DNS1IP and DNS2IP (if t hey are non-zero) overwrite the
DHCP-supplied values. The user must not specify a port parameter. The CiscoATA uses the default DNS
port only.
Value Type
IP address
Default
0.0.0.0
Voice Configuration Menu Access Code
916
DNS2IPDescription
This parameter is the secondary domain name server (DNS) IP ad dress, if the DHCP server does not
provide one. If DHCP provides DNS, DNS1IP and DNS2IP (if t hey are non-zero) overwrite the
DHCP-supplied values. The user must not specify a port parameter. The CiscoATA uses the default DNS
port only.
Value Type
IP address
Default
0.0.0.0
Voice Configuration Menu Access Code
917
UDPTOSDescription
This parameter specifies the IP precedence (ToS bit) of UDP packets. Set the lower eight bits only, as
follows:
•Bits 0-1: Unused
•Bit 2: Reliability bit—1=request high reliability