Kuhnt AS55 Series, Руководство по обслуживанию

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SERVICE MANUAL AS55X
150 www.kuhnt.com 55Xseries_manual_V3.22 (18-08-15)

GSM PBX implemented
The GSM PBX provides facilities for SIP DID registration or multiplexed single user
registrations at a SIP provider. SIP numbers can directly be linked to GSM numbers or
DTMF dialling is possible with or without speed dialling lists in both directions.

Get calling party number from Remote-Party-ID header
The default search sequence for determining the calling party number from SIP
headers is now:
o
P-Preferred-Identity
o
P-Asserted-Identity
o
Remote-Party-ID
o
From
o
Contact

SIP UPDATE implemented
8.3.2 Problem solution

Enhancements in SIP Record-Route processing
There was a problem regarding interworking with SIP providers resulting in an abort
of the connection after about 30 seconds. This problem is fixed.

Ignore Trying response from registrar
It may happen that the registrar responses with a Trying provisional response to the
REGISTER request. This will be ignored now.

PRACK configuration
To increase flexibility, the PRACK sequence request can be configured now. It may be
possible to request it always or never in order to activate early media or to avoid one
way audio.

Password handling
In earlier releases, passwords are included in the configuration data set. Because of
privacy, they are handled extra now and there are only place holders included in the
configuration data set that is saved into a file or uploaded from a target device. If the
firmware of a device with passwords in its configuration is updated to this release or
a higher one, the configuration must be uploaded and downloaded again in order to
transfer the configuration into the new format.

IP address and port redirection