3com MSR 20-20 참조 매뉴얼

undo sip-comp { callee | from }

SIP client view

callee: Extracts the called number from the To field.

from: Configures the device to use the IP address in the To field as the IP address 
in the From field when sending a SIP request for interoperability with other 
vendors. By default, the From field indicates the calling address and the To field 
indicates the called address.

Use the sip-comp command to configure SIP compatibility.

Use the undo sip-comp command to restore the default SIP compatibility 
setting.

By default, the SIP compatibility option is not configured.

# Configure the device to use the IP address in the To field as the IP address in the 
From field when sending a SIP request.

<Sysname> system-view

[Sysname] voice-setup

[Sysname-voice] sip

[Sysname-voice-sip] sip-comp from 

sip-comp agent product-name product-version

SIP client view

agent product-name product-version: Indicates the content of the User-Agent 
header field in SIP request messages. The product-name and product-version 
arguments respectively represent the product name and product version of the 
UAC, each of which is a case-sensitive string of 1 to 31 characters other than 
{ and }.

Use the sip-comp agent command to configure the User-Agent header field in 
SIP request messages.

Use the undo sip-comp agent command to remove the configuration.

By default, the User-Agent header field in SIP request messages is not configured.

Set the User-Agent header field in SIP request messages to company 1.0.

<Sysname> system-view

[Sysname] voice-setup