Welltech WG26xx Series V.1.08a - Manual (Page 28)

26xx Technical Manual EN-V108
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3.3.3 SIP Advanced Setting
Local SIP port(1~65535) Specify the local starting SIP port.
Each account’s interval is 2.
For example, the local SIP port is set to
5060. The following is the port number
to be used for 26xx:
Port 1: 5060
Port 2: 5062
Port 3: 5064
Port 4: 5066
Port 5: 5068
Port 6: 5070
Port 7: 5072
Port 8: 5074
SIP Trunk Number: 5076
Local RTP port(1~65535) Specify the local starting RTP port
number.
Session Expire(Sec) Specify the session expire time that
will be used to negotiate with the