Aastra Telecom 675xi Series - Manual (Page 14)

New Features in Release 2.4
10 RN-001029-03, Release 2.4, Rev 00
IP Phone Release Notes 2.4
Configuring “SIP Join” Using the Configuration Files
User the following parameter to set up the “SIP Join” feature on the IP Phone.
Missed Calls Message Event Notification
In Release 2.4, the phones now include a “Missed-Calls-Message” field in a “message
summary” event of a SIP NOTIFY message.
GRUU and sip.instance Support
Globally Routable User-Agent URIs (GRUUs) provide a way for anyone on the Internet to route
a call to a specific instance of a User-Agent.
Release 2.4 provides GRUU support using draft-ietf-sip-gruu-15. A sip.instance is added to all
non-GRUU contacts. By default, this feature is enabled. You can enable or disable this support
using the configuration files.
Configuring GRUU Using the Configuration Files
Use the following parameter to enable/disable GRUU support on the IP Phones.
Limitations of the GRUU Feature
The following are limitations of the GRUU feature on the phones:
• GRUU-Draft-15 is not compatible with versions prior to GRUU-Draft-10.
• Phones do not support temporary or phone-created GRUUs.
Parameter –
sip join support Configuration Files aastra.cfg, <mac>.cfg
Description Enables or disables the phone to allow a conference to be set up with
a join header as described in RFC 3911.
Format Boolean
Default Value 0 (disabled)
Range 0 (disabled)
1 (enabled)
Example sip join support: 1
Parameter –
sip gruu Configuration Files aastra.cfg, <mac>.cfg
Description Enables or disables GRUU support on the IP Phone according to
draft-ietf-sip-gruu-15. If this parameter is disabled, parsing of inbound
GRUU's for transfer are still enabled.
Format Boolean
Default Value 1 (enabled)
Range 0 (disabled)
1 (enabled)
Example sip gruu: 0