Draytek Telnet Command 1.11 - Manual (Page 119)

Telnet Command Reference Guide V1.1 113
-m 0/1/2/3 It means to set NAT Traversal mode. 0 means Disable; 1 means
stun; 2 means manual; and 3 means nortel.
-g 1/2/3/4 It means the account ring port. 1 means port1; 2 means port 2; 3
means port 3 and 4 means ISDN-FXO port.
-z 1/2/3/4/5/6 It means the account ring pattern.
-i 0/1 It means to remove all bindings while they are un-registered. 0
means Disable; and 1 means Enable.
-v It means to display current settings for users to view.
[…] It means that you can type in several commands in one line
Example
> voip sip acc 1 -P test -d iptel.org -y iptel.org -n 8201 -g 1
> voip sip acc 1 -v
index : 1
profile : test
reg mode : 0 | reg. [No]
domain : iptel.org
proxy : iptel.org | outbound [No] | DNS-SRV [No]
noreg call : No
disp. Name :
acc number : 8201
auth. ID : | [disable]
expiry : 3600
NAT mode : 0
ring ports : 1
ring pat. : 1