Parameter name Default value Description and value range
ASCII characters: zero or more
dotted decimal IP address/integer
strings, separated by commas
without any intervening spaces.
NVMCIPADD 0.0.0.0 Call server IP Addresses. 0 to 255
ASCII characters: zero or more IP
addresses in dotted decimal or
DNS name format, separated by
commas without any intervening
spaces.
NVPFSDHGRP 0 Specifies the Diffie-Hellman Group
to be used for establishing the
IPsec SA (also known as PFS). 1
or 2 ASCII numeric digits. Valid
values are:
• 1 = First Oakley Group
•
2 = Second Oakley Group
• 5 = 1536-bit MODP Group
• 14 = 2048-bit MODP Group
• 15 = 3072-bit MODP Group
For more information, see Section
4 in RFC 3526.
NVSGIP " " (Null) VPN security gateway IP
addresses. 0 to 255 ASCII
characters: zero or more IP
addresses in dotted decimal or
DNS name format, separated by
commas without any intervening
spaces.
NVTLSSRVR 0.0.0.0 VPN and non-VPN. HTTPS file
server IP addresses used to
initialize TLSSRVR the next time
the phone starts up. 0 to 255
ASCII characters: zero or more IP
addresses in dotted decimal or
DNS name format, separated by
commas without any intervening
spaces.
NVVPNAUTHTYPE 3 Specifies the user authentication
method. 1 ASCII numeric digit.
Valid values are:
• 3 = Pre-Shared Key (PSK)
•
4 = PSK with XAUTH
Table continues…
VPN parameters
54 VPN Setup Guide for 9600 Series IP Telephones March 2015
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