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Hello all,


we just released VVX UC Software


What’s New

Polycom Unified Communications (UC) Software 5.9.0 is a release for Open SIP and Skype for Business deployments. These release notes provide important information on software updates, phone features, and known issues.


Future Feature Releases For VVX Business Media Phones

With the end of sale of some models of VVX business media phones, the following phone models will no longer receive new features:

● VVX 300/310
● VVX 400/410
● VVX 500
● VVX 600
● VVX 1500

As a result, UC Software 5.9.0 will be the last release to contain significant feature development for these models. Future major feature releases will not include images to support these models. In line with the Polycom End of Life policy, Polycom will continue to provide bug fixes in maintenance and patch releases on the UC Software 5.9.x stream. For details, see the Polycom End of Life Policy.


Plantronics headsets are compatible on VVX phones. To know compatibility list, refer to the Plantronics Compatibility Guide.


Polycom UC Software 5.9.0 supports the following Polycom accessories.

Accessories Support



Skype for Business

Open SIP

Polycom® VVX® Camera



Polycom® VVX® Color Expansion Module



Polycom® VVX® Expansion Module



Polycom® EagleEye Mini Camera



Polycom® VVX® EM 50 Expansion Module  




Polycom UC Software 5.9.0 includes the following new features and enhancements for openSIP:

  • Session Traversal Utilities for NAT (STUN) => here <=

    Polycom UC Software supports Session Traversal Utilities for NAT (STUN), a network protocol used in NAT traversal for real-time IP communications, such as voice, video, and messaging. STUN service is provided using UDP. STUN using TCP or TLS is not available.
    You can configure the phone to act as a STUN client to send a request to STUN server to discover the public IP and port(s). You can also configure the phone to send keep-alive messages to refresh NAT bindings.

  • Device Analytics Support for PDMS-SP => here <=

    Polycom introduces device analytics to enable and configure your phone to provide details on many aspects of the phone's system and usage such as network stats, feature usage, memory and CPU, SIP service state, and connected peripherals.
    A Polycom Cloud Services account is required to access these analytics. For more information, refer to https://console.plcm.cloud.

  • Multilevel Precedence and Preemption (MLPP) for Assured Services - Session Initiation Protocol (AS-SIP) On Shared Lines => here <=

    Multilevel Precedence and Preemption (MLPP) enables you to configure a precedence level for outgoing calls. Polycom implements MLPP in accordance with the standards set by Assured Services for Session Initiation Protocol (AS-SIP).

  • Support for H.264 Packetization Mode 1 and H.264 Constrained Baseline Profile

    VVX business media phones support H.264 Packetization Mode 1 for incoming and outgoing video calls. Packetization Mode 1 enables high resolution video by allowing media packets to be fragmented during transport.
    VVX business media phones also support H.264 constrained base Profile which enables to send and receive calls to IR94 capable devices.

  • Enhanced Busy Lamp Field (BLF) => here <=

    VVX phones supporting Broadworks Enhanced Busy Lamp Field (BLF) are now able to enable and configure new short and long key press behaviors when touching the line key for a monitored BLF user. New actions are 1-touch blind transfer or 1-touch park and retrieve.
    A new preferences option in the basic settings is available when configured allowing the phone user to choose their preferred default key press action.

  • Busy Lamp Field Hold Alerting => here <=

    VVX phones now supports the Busy Lamp Field (BLF) sip.rendering state. For call control platforms that also support or allow this dialog attribute to be used. VVX phones can add display information when the monitored user places a call on hold with accompanying changes to LED behavior, key press action precedence, and an optional ringtone.

  • Busy Lamp Field(BLF) Spontaneous Call Appearance on Per BLF Basis

    VVX phone supports Spontaneous Call Appearance property for an incoming call and incoming ringtone per Busy Lamp Field (BLF).

  • Enhanced Feature Key Macro Actions => here <=

    A new macro $Tconsult$ is added to execute the consultative transfer functionality irrespective of default transfer type (Consultative/Blind) set on the phone.

  • Retrieve Logs from Support Information Package Page in the Web Configuration Utility


  • Simple Certificate Enrollment Protocol

    The Simple Certificate Enrollment Protocol (SCEP) is a protocol that enables you to automatically enroll devices to retrieve new digital certificates or re-enroll to renew expired or expiring certificates.
    This feature applies to all phones except VVX 1500 business media phones.

  • Privacy for Call Logs and Contacts

    Your call logs and contacts you save are stored on the phone and a server. You can clear your personal history of stored call logs and contacts from the phone. You can also restrict the phone from uploading your call logs and contacts to the server.

    Menu => Settings => Basic

  • Enhancement to Wireless Network Connectivity

    You can configure the phone so that users can view the Wi-Fi menu under Basic settings. This allows users to also add a Wi-Fi network manually. Additionally, you can also configure the phone to display the Wi-Fi icon on the phone’s status bar and home screen.
    You can manually add a new wireless network on VVX phone from the Basic menu.

  • Call Hold Timer => here <=

    Polycom VVX phones will now display the timer when an active call is put on hold. The active call timer will resume when the user retrieves the call.
    up.holdTimerDisplay.enable parameter is used to enable or disable the hold timer display on the VVX phone.

  • GZIP Encoding of SIP INFO Messages => here <=

    Polycom VVX phone sends notifications for various activities to the server in gzip format saving network bandwidth.
    You can configure this feature by voIpProt.SIP.gzipEncoding.enable parameter that is set to 0 by default.

Skype for Business


  • Enhanced Boss-Admin for VVX Phones
  • Web Sign In for Skype for Business On-Premise Deployment
Notice: I am an HP Poly employee but all replies within the community are done as a volunteer outside of my day role. This community forum is not an official HP Poly support resource, thus responses from HP Poly employees, partners, and customers alike are best-effort in attempts to share learned knowledge. If you need immediate and/or official assistance please open a service ticket through your support channels.
Please also ensure you always check the General VoIP , Video Endpoint , UC Platform (Microsoft) , PSTN
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