AudioCodes MediaPack 114 Uživatelský manuál stáhnout pdf (Strana 238)

SIP User's Manual 238 Document #: LTRT-65411

MediaPack Series

Parameter Description

 For an explanation on using ini file table parameters, refer to

''Structure of ini File Table Parameters'' on page 233.

EnableSTUN

For a description of this parameter, refer to ''Configuring the

Application Settings'' on page 58.

STUNServerPrimaryIP

For a description of this parameter, refer to ''Configuring the

Application Settings'' on page 58.

STUNServerSecondaryIP

For a description of this parameter, refer to ''Configuring the

Application Settings'' on page 58.

STUNServerDomainName

Defines the domain name for the Simple Traversal of User Datagram

Protocol (STUN) server's address (used for retrieving all STUN

servers with an SRV query). The STUN client can perform the

required SRV query to resolve this domain name to an IP address and

port, sort the server list, and use the servers according to the sorted

list.

Note: Use either the STUNServerPrimaryIP or the

STUNServerDomainName parameter, with priority to the first one.

NATBindingDefaultTimeo

Defines the default NAT binding lifetime in seconds. STUN is used to

refresh the binding information after this time expires.

The valid range is 0 to 2,592,000. The default value is 30.

DisableNAT

Enables / disables the Network Address Translation (NAT)

mechanism.

 [0] = Enabled.

 [1] = Disabled (default).

Note: The compare operation that is performed on the IP address is

enabled by default and is controlled by the parameter

EnableIPAddrTranslation. The compare operation that is performed on

the UDP port is disabled by default and is controlled by the parameter

EnableUDPPortTranslation.

EnableIPAddrTranslation

Enables IP address translation.

 [0] = Disable IP address translation.

 [1] = Enable IP address translation for RTP, RTCP and T.38

packets (default).

 [2] = Enable IP address translation for RTP Multiplexing

(ThroughPacket™).

 [3] = Enable IP address translation for all protocols (RTP, RTCP,

T.38 and RTP Multiplexing).

When enabled, the device compares the source IP address of the first

incoming packet to the remote IP address stated in the opening of the

channel. If the two IP addresses don't match, the NAT mechanism is

activated. Consequently, the remote IP address of the outgoing

stream is replaced by the source IP address of the first incoming

packet.

Notes:

 The NAT mechanism must be enabled for this parameter to take

effect (DisableNAT set to 0).

 For information on RTP Multiplexing, refer to ''RTP Multiplexing

(ThroughPacket)'' on page 333.

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