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User Manual
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SunComm Technologies Co., Ltd.
42
STUN
STUN (Simple Traversal of UDP over NATs ) is a network protocol. It is
allowed to stay behind the NAT (or multiple NAT) client part to identify
their clients’ public address, found himself after what Type of NAT and
NAT for a particular Channel is bound to a local Internet terminal
Channel. This information is used for two host to set up UDP
communication behind the same NAT router. The agreement defined by
the RFC 3489
Allow call from IP to
PSTN without
Registration
Refer to "SIP Configuration" -> "Is register" . If "Is register" setting is no,
this option need set Yes ,to avoid that the devices can not call out
Allow Call from PSTN
to IP without
Registration
Refer to "SIP Configuration" -> "Is register" . If "Is register" setting is no,
this option need set Yes ,to avoid that the devices can not call in
Reject Anonymous call
from IP to PSTN
The incoming anonymous calls will be rejected
Use # as End Key
In General, SIP phones are based on # as the end, if this option is set to
No, the dial-up will end expires dial-up time
Interdigit Timeout
Bit of between the dialing time ,over the time will be seem as end of dial
4.12.2 SIP Configuration
Figure 4-12-2 SIP Configuration