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- HP Community
- Poly Phones
- Desk and IP Conference Phones
- [Software] UC Software 5.4.2 has been released

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01-19-2016 06:17 AM
Hello Everyone,
We are happy to announce the availability of Polycom® UC Software 5.4.2, with associated utilities and documents on the Polycom Product Support web page (http://support.polycom.com).
Jan 21, 2015 Question:Why does Polycom release / maintain different software versions ?
Resolution: Please check => here <=
UC Software 5.4.2 is a Maintenance release which resolves some important customer escalations.
Polycom UC Software 5.4.2 supports the following Polycom endpoints:
- VVX 101 business media phones
- VVX 201 business media phones
- VVX 300/310 business media phones
- VVX 301/311 business media phones
- VVX 400/410 business media phones
- VVX 401/411 business media phones
- VVX 500 business media phones
- VVX 501 business media phones
- VVX 600 business media phones
- VVX 601 business media phones
- VVX 1500 business media phones
- SoundStructure VoIP Interface
Polycom UC Software 5.4.2 supports the following Polycom accessories:
- Polycom® VVX® Camera
- Polycom® VVX® Expansion Module
- Note: VVX 1500 is for Open SIP deployments only
What is available now on web?
- UC Software 5.4.2( Split, Combined & CAB files)
- Release Notes for 5.4.2[PDF]
How to download UCS 5.4.2 software, release notes & documents:
You can obtain the software and the related documentation from the supported phone model pages.
- Polycom UC Software 5.4.2 for VVX Business Media Phones [Combined]
- Polycom UC Software 5.4.2 for VVX Business Media Phones [Split]
- Polycom CAB files for UC Software 5.4.2 for VVX Business Media Phones
- Polycom UC Software 5.4.2 Release Notes
Resolved Issues in 5.4.2:
Category |
Issue No. |
Release |
Description |
Audio |
VOIP-108826 |
5.4.2 |
If a caller places call on mute, the notification sound for the recipient is improved. |
Calling |
VOIP-109264 |
5.4.2 |
If the contact directory has more than 40 contacts, the phone used to fail to display caller ID for an incoming call from a saved contact. This has been fixed. |
Calling |
VOIP-108811 |
5.4.2 |
In the Skype for Business environment, phone successfully establishes a conference when originating user alias starts with a number. |
Calling |
VOIP-108427 |
5.4.2 |
If a call was received on a sipxecs shared line number (with multiple line keys), there is only one call appearance instead of the incorrect two call appearances on two lines. |
Calling |
VOIP-105402 |
5.4.2 |
In a UC-One environment, phone can call speed dial contacts using the DID numbers instead of URL dialing. This enables the phone to call to the speed dial contacts even if the URL is disabled. |
Calling |
VOIP-102024 |
5.4.2 |
If a phone has shared and BLF lines and the shared line goes off hook, there is incoming call display but no ringing on the monitoring phone. This has been fixed. |
Contact Directory |
VOIP-108611 |
5.4.2 |
When the parameter ‘reg.x.server.y.specialInterop’ is set to Genband, the user can enter multiple entries in the contact directory without causing any issues. |
General |
VOIP-111245 |
5.4.2 |
For VQMoN users, the voice quality reports are improved. |
General |
VOIP-110690 |
5.4.2 |
If the SIP server challenges a BYE with old nonce from the phone, the phone responds with a BYE with new nonce. |
General |
VOIP-108947 |
5.4.2 |
Group paging works when a monitored Enhanced Park Orbit is active. |
General |
VOIP-108310 |
5.4.2 |
Web SDK Call Action API works properly and nCallReference is referenced correctly in XML API. |
General |
VOIP-107930 |
5.4.2 |
On VVX phones, you can set the parameter ‘feature.presence.enabled’ to 1 and enable Buddy Watch with Genband Personnel Address Book mode. |
Interoperability |
VOIP-110265 |
5.4.2 |
Phone successfully synchronizes call logs with Exchange. |
Interoperability |
VOIP-108375 |
5.4.2 |
To support a wide variety of switches, the LLDP power value for VVX 101 and 201 is reduced from 5000mW to 3500mW. |
Localization |
VOIP-108185 |
5.4.2 |
Support for Swedish language in the Broadsoft directory is improved. |
Security |
VOIP-109249 |
5.4.2 |
Denial of service vulnerabilities CVE-2015-1788, CVE-2015-1789, CVE-2015-1790, CVE-2015-1791, CVE-2015-1792, and CVE-2015-4000 in OpenSSL are fixed. |
Security |
VOIP-109212 |
5.4.2 |
Security issues involving RC4 encryption ciphers have been addressed. |
Security |
VOIP-110376 |
5.4.2 |
The cipher option for a web server is configurable. |
User Interface |
VOIP-109316 |
5.4.2 |
The administrator can set a URL or number mode as default with the parameter call.urlNumberModeToggling. |
User Interface |
VOIP-109211 |
5.4.2 |
The phone request timezone information only on first-time login when there is no SNTP server set and not after every reboot. |
User Interface |
VOIP-108943 |
5.4.2 |
A single line VVX 600 phone configured with one call per line displays the park softkey. |
User Interface |
VOIP-108664 |
5.4.2 |
The phone’s idle screen displays ‘Directories’ softkey. |
User Interface |
VOIP-108570 |
5.4.2 |
Recent call list displays the Umlaut correctly while using LYNC Base Profile and Exchange on VVX 500 and 600 phones. |
User Interface |
VOIP-108489 |
5.4.2 |
The phone web interface displays contacts in the same order as on the phone display. |
User Interface |
VOIP-107262 |
5.4.2 |
The search field of the Broadsoft Directory supports ‘*’ and ‘#’ keys. |
Video |
VOIP-107706 |
5.4.2 |
Substantial video quality improvement on VVX 1500 phones for H.323 bridge calls. |
VQMon |
VOIP-111493 |
5.4.2 |
Voice Quality score, NLR and MOSQ are now improved to match the RX RTP traffic |
Lync |
VOIP-106843 |
5.4.2 |
VVX phones now register after failover/failback.to the secondary server when the second server details are added tin the DNS server after the phone is registered |
General |
VOIP-109240 |
5.4.2 |
The exchange calendar integration configuration parameter feature.exchangeCalendar.enabled now controls all other Exchange integrations |
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 for former Poly\Plantronics\Polycom please open a service ticket through your support channels
For HP products please check HP Support.
Please also ensure you always check the General VoIP , Video Endpoint , UC Platform (Microsoft) , PSTN