Documents and files

Firmware version 1.4.0

Added: 

• Support for iLBC and G.726 codec
• Basic support for TR-069
• Ignoring DHCP option 120 when SIP-Proxy and Registration Server values are set in the configuration
• Keep Mute option between calls
• Subscriber name display on the screen when receiving a SIP UPDATE with a Remote-Party-ID header
• Increased the length of the function key labels on the main screen

Fixed:  

• Algorithm for gathering remote conference participants
• Errors when gathering local conferences
• Errors when working with NAND flash
• Looping the first available SIP server when receiving DHCP option 120
• SRTP. Fixed the a=crypto tag in the SDP response according to RFC4568
• Attended call transfer algorithm when using dialplan
• Call transfer mechanism when using the BLF keys on the call transfer screen
• Call duration display in the call history
• Errors when working with the NTP server
• Errors when canceling an incoming call before the Autoanswer timer expires
• Errors when calling a contact via phonebook search
• Behavior when hanging up on multiple calls
• Behavior when answering a second incoming call
• Errors in modifying media descriptions m=video in SIP MESSAGE "200 OK"
• Error loading a wav file whose size exceeds available memory
• Call placed on hold when receiving SIP message 403 in response to an INVITE

Firmware version 1.3.3

Added: 

•  Ability to upload and install custom background images for the IP phone and extension consoles screens
• Support for screensavers for the IP phone and extension consoles
• Icons for various forwarding modes  
• Support for the OPUS audio codec
• Logging of authentication events
• Automatic certificates updates using autoprovisioning
• Enabling Call Forwarding Busy (CFB) and Call Forwarding No Reply (CFNR) using programmable keys
• Setting up the date format display
• Setting up the transparency of main screen elements of the IP phone and extension consoles 

Fixed:  

•  Incorrect operation of VLAN PC with transit 802.1x traffic
• Incorrect deletion of certificates via the device web interface
• Size of the icon for disabled ringtone
• Incorrect RTP packets marking 

Firmware version 1.3.2

Added: 

•  LLDP response timeout
• Support for Intercom calls
• Support for 802.1x  
• Configuring static routes 

Fixed:  

•  Multiple keypress detection
• No audibility during local conference
• Sending tagged lldp packets
• Ignoring lldp-med-policy when configuring VLAN on LAN interface
• Saving added ringtones after resetting to factory settings
• Delay in removing IP address from interface after sending DHCP-RELEASE 

Improved:  

•  Echo cancellation when talking on speakerphone
• Communication quality when talking on headset
• Adaptive jitter buffer operation 

Firmware version 1.3.0

Added: 

•   Support for uploading user ringtones
• Configuration of system indicator events
• Support for Extention Mobility: MAC transfer to SIP Register, Support for SIP NOTIFY Event: check-sync
• Control of DND mode using the device function key
• Device reboot screen
• ‘Forwarded calls’ icon on the main screen
• Support for local conference
• Remote call control via SIP NOTIFY Event: talk/hold
• DTMF transmission RFC 2833 + SIP Info mode
• Support for SRTP
• Support for TLS for SIP
• Logging of messages from the VP-EXT22 extension console 

Fixed:  

•   Name search operation in LDAP phone book
• BLF incorrect indication when receiving SIP NOTIFY state=confirmed
• White screen after an unsuccessful unaccompanied transfer attempt
• Stopping RTP transfer when receiving SIP UPDATE during an established session 

Improved:  

•   Main screen design of the IP phone and the VP-EXT22 extension consoles 

Removed:  

•   User and Viewer users for web interface 

•   Delimiters in a name of the requested configuration/firmware file when using ‘$MA’ macro 

   

Firmware version 1.2.2

Added: 

•   Activation of VAS on a remote server using service codes
• Support for voice messaging (MWI)  
• Support for G.722 64kbit/s codec  
• Multiple contacts for remote and local phone books
• Configuring CFNR (Call Forwarding No Reply) in the web interface 

Fixed:  

•  No default route in static network setup
• No network when receiving settings via DHCP without option 3
• White screen after an unsuccessful unaccompanied transfer attempt
• Freeze of automatic software update process  
• Changing the default account when changing settings in the web interface
• Incorrect call creation date in history
• No registration when receiving network settings
• Slow IP-phone performance when configuring multiple keys Account N
• Artifacts on the menu screen when changing configuration
• White screen when an outgoing call is instantly hanged up
• Error when loading extension consoles VP-EXT22 rev.B

Changed:  

•   Minimum and maximum limits, as well as volume increments for handset and speakerphone speakers
• Sensitivity and gain of handset and speakerphone microphones