Release Notes

Page 1
Contents
The following changes have been made since the latest official release (2.2.1).
 Region settings (call tones) for Japan added.
 DHCP option 242 will now be the default for device management.
 Account redundancy now implemented.
 Limiter added which prevents the conference phone from drawing too much power in PoE mode
during feedback.
 SRTP support improved. When using SRTP, use UNENCRYPTED_SRTCP in SDP and do not
encrypt RTCP.
 The calling party name if present in the P-Asserted-Identity header, is always used when displaying
calling party name.
 Unicode support added. Chinese, Japanese and Korean languages are now available.
 Three concurrent G.729 codecs are now supported.
 The 'Time & Region' status web page is now refreshed every 30 seconds to keep the time status
updated.
 Use TLS when contacting the outbound proxy and SIPS is configured. Use sips in the 'from' header
when SIPS is configured.
 Use protocol sips in the contact header if the sip id also uses sips.
 Fixed a bug when parsing the ampersand character in the Name Filter field on the LDAP settings
page.
 Parameter 'alias' added to via header when using transport TLS, UDP and TCP.
 Support for the new hardware revision added.
 Processing of SDP media attribute ptime added.
 Singapore tone set corrected.
 Handling of display name modified to get name instead of number if it exists.
 Implemented CAPNEG support (RFC5939).
 Fixed SRTP SDP negotiation bugs.
 The phone now sends a hold request to the party that is about to be transferred.
 SDP parser now checks for RTP/SAVP in all tcap attributes (not only the first one).
 Existing TLS transport is now re-used whenever possible.
 You can now change the admin PIN through the configuration file.
 Added a setting for date format.
 Calls are no longer dropped if changes are made in the web interface during an active call.
 Support added for the SIP Accept-Language header.
 Throttle added to the web server to avoid denial of service attacks through the web.
 Empty RTP frames are no longer sent by the phone when it is on hold.
 Improved handling of the calling party display name.
 Year added to call list timestamps.
 Size increased for accepted DHCP messages (workaround for buggy DHCP servers).
 G.729 is now offered when doing a blind transfer.
 Issue with a cronjob that caused auto upgrades to fail is now fixed.
 The phone now sends 491 instead of 500 if we receive an invite while another invite transaction is
pending.
 No-talk-path issue with EC500 has been resolved.