Version 3.0.1 41 July 2010
MP-20x Telephone Adapter 5. Configuring VoIP Parameters
Parameter Description
Outbound Proxy Port
The Port on which the outbound Proxy listens.
Note: This parameter appears only if 'Use SIP Outbound Proxy' is
selected.
SIP Timers
Note: This group appears only in 'Advanced' mode.
Retransmission Timer T1
The SIP T1 retransmission timer according to RFC 3261
Retransmission Timer T2
The SIP T2 retransmission timer according to RFC 3261
Retransmission Timer T4
The SIP T4 retransmission timer according to RFC 3261
INVITE Timer
The SIP INVITE timer according to RFC 3261
NAT Traversal
Enable STUN
When checked, the SIP STUN Manager starts. SIP STUN Manager
resolves private addresses that need to be resolved to public
addresses.
Note: This parameter appears only in 'Advanced' mode.
STUN Server Address
The IP address of the STUN server used to resolve private
addresses.
Note: This parameter appears only if 'Enable STUN' is enabled.
STUN Server Port
The port of the STUN server.
Note: This parameter appears only if 'Enable STUN' is enabled.
Subnet Mask
The subnet mask address of the STUN server used to resolve private
addresses.
Note: This parameter appears only if 'Enable STUN' is enabled.