Obihai OBi100, Administration Manual

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Copyright 2010-2013 Obihai Technology, Inc. 118
- Disable SRTP = Do not use SRTP for all calls; the call will
fail if the peer insists on using SRTP only
- Use SRTP Only = Require all calls to use SRTP; the call
will fail if the peer does not support SRTP
- Use SRTP When Possible = Use SRTP for a call if the peer
supports SRTP; otherwise fallback to use regular
unencrypted SRTP
Using SP n as a Proxy for a SIP IP Phone
(Available on OBi202/OBi302 only)
An SP service may be set up as a proxy for a legacy IP phone, to let the phone access OBiTALK, OBiBlueTooth, OBiPLUS (on
SP
n ), or Google Voice service (on SP n ) installed on the OBi. This proxy mode of operation must be explicitly enabled in the
SP ‘s configuration on the OBi; it is disabled by default. The IP phone using this proxy service is known as the local_client of
the SP service. It must be installed on the LAN side of the OBi device.
In this mode, SP
n will accept SIP Registration from the client device from the LAN side, which must be using the same user-
id and password as this SP n ’s AuthUserName and AuthPassword parameters, for authentication. This client device may also
send SIP INVITE to the OBi at this SP to make calls; this SP’s InboundCallRoute must be setup with the proper routing rule to
handle calls from the local_client.
The SIP Proxy Server parameter on the client device must be sent to:
<obi-number>.pnn.obihai.com:<spn-user-agent-port>
where <obi-number> is the 9-digit OBi number of this device, and <spn-user-agent-port> SP
n ’s X_UserAgentPort parameter.
For example, SP1 has a local_client with the user-id 4086578118. The client wishes to make and receive calls on SP3 which
has been set up with Google Voice. The SP1 InboundCallRoute shall include the following rule:
{4086578118>:sp3}
The SP3 InboundCallRoute shall be: {sp1(
408657118@local_client )}