Sip Account Settings
41-001390-00 Rev 02 – 12.2011
3-10
Advanced SIP Settings (optional)
Advanced SIP Settings on the BluStar 8000i allow you to configure specific features. The following list provides Advanced
SIP Settings that you can configure using the configuration files.
SIP Advanced Settings
Parameters in Configuration Files
Description
sip explicit mwi subscription
If the BluStar 8000i has a message waiting subscription with the service provider, a message eaiting indicator
(MWI) (LED or display icon) tells the user there is a message on the BluStar 8000i. This parameter is disabled by
default.
For example, sip explicit mwi subscription: 1
sip explicit mwi subscription period
The requested duration, in seconds, before the MWI subscription times out. The BluStar 8000i re-subscribes to
MWI before the subscription period ends. Default value is 86400.
For example, sip explicit mwi subscription period: 30
sip out-of-band dtmf
The BluStar 8000i supports out-of-band Dual-Tone Multi-frequency (DTMF) mode according to RFC2833. The
"out-of-band dtmf" parameter is enabled by default. In out-of-band mode, the DTMF audio is automatically
clamped (muted) and DTMF digits are not sent in the RTP packets.
For example, sip out-of-band dtmf: 0
sip dtmf method
Sets the dual-tone multifrequency (DTMF) method used on the BluStar 8000i to send DTMF digits from the
BluStar 8000i via INFO messages. You can set the DTMF method as RTP, SIP info, or both. Default is 0 (RTP).
For example, sip dtmf method: 1
sip send mac
Adds an "Aastra-Mac:" header to the SIP REGISTER messages sent from the BluStar 8000i to the call server,
where the value is the MAC address of the BluStar 8000i.
For example, sip send mac: 1
For more information, see
MAC Address in REGISTER Messages
.
sip session timer
The time, in seconds, that the BluStar 8000i uses to send periodic re-INVITE requests to keep a session alive.
The proxy uses these re-INVITE requests to maintain the status' of the connected sessions. See RFC4028 for
details. Default is 0.
For example, sip session timer: 30
sip T1 timer
sip T2 timer
These timers are SIP transaction layer timers defined in RFC 3261. Timer 1 is an estimate, in milliseconds, of the
round-trip time (RTT). Timer 2 represents the amount of time, in milliseconds, a non-INVITE server transaction
takes to respond to a request.
For example, sip T1 timer: 600
For example, sip T2 timer: 8
sip transaction timer
The amount of time, in milliseconds that the BluStar 8000i allows the callserver (registrar/proxy) to respond to
SIP messages that it sends. If the BluStar 8000i does not receive a response in the amount of time designated
for this parameter, the BluStar 8000i assumes the message has timed out.
For example, sip transaction timer: 6000
sip blacklist duration
Specifies the length of time, in seconds, that a failed server remains on the server blacklist. The BluStar 8000i
avoids sending a SIP message to a failed server (if another server is available) for this amount of time.
For example, sip blacklist duration: 600
sip whitelist
This parameter enables/disables the whitelist proxy feature, as follows:
•
Set to 0 to disable the feature.
•
Set to 1 to enable the feature. When this feature is enabled, a BluStar 8000i accepts call requests from a
trusted proxy server
only
. The BluStar 8000i rejects any call requests from an untrusted proxy server.
For example, sip whitelist: 1
sip xml notify event
Enables or disables the BluStar 8000i to accept or reject an aastra-xml SIP NOTIFY message.
For example, sip xml notify event: 1
Note:
To ensure that the SIP NOTIFY message is coming from a trusted source, it is recommended that you enable
the Whitelist feature (Whitelist Proxy parameter) on the BluStar 8000i. If enabled, and the BluStar 8000i
receives a SIP NOTIFY from a server that is NOT on the whitelist (i.e. untrusted server), the BluStar 8000i rejects
the message.
