WELLTECH ePBX-100A-128, Руководство пользователя

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SIP Setting
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IP-PBX Realm: Configure Realm of ePBX-100A-128. This parameter is essential
when there is more than one ePBX-100A-128, and user wants to have inter-calls
between ePBXs. Please refer to SIP Trunk configuration.
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Proxy Port: These optional parameters allow you to control the port on which you wish
the ePBX-100A-128 to accept SIP connections. Default is 5060.
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RTP Port Start: The voice media will use RTP as the transport protocol. You can
define the RTP port range that ePBX-100A-128 opened. Default start port is 10000.
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RTP Port End: The voice media will use RTP as the transport protocol. You can define
the RTP port range that ePBX-100A-128 opened. Default end port is 20000.
Note:
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Default RTP port range is 10000 to 20000 and default proxy port is 5060. If your
ePBX-100A-128 is behind a firewall, please make sure you have already open
the RTP port (10000-20000) and proxy port (5060). And you should also make
sure the proxy port (5060) has already mapped to ePBX-100A-128.
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Max Expire Time: This sets the maximum amount of time, in seconds. This is used for
the registration expire time. If this value less than the expired time from the client, then
the ePBX-100A-128 will reply a certain expire time which is defined in “Default Expire
Time” to client.
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Default Expire Time: This sets the default SIP registration expiration time, in seconds.