VVX 1500 (5.9.1) only shows BLF when ringing

Polycom Employee & Community Manager

Re: VVX 1500 (5.9.1) only shows BLF when ringing

Hello @bobjase ,


to bring this to a conclusion using a VVX1500 or a VVX 601 the BLF process outlined => here <= shows the BLF on a VVX 1500 (or VVX 601) as follows:


Idle stateIdle state 



Busy or Alerting stateBusy or Alerting state

RFC 4662 support was added by Digium / Asterisk => here <=


Polycom addressed an issue in VOIP-119610 where a phone would crash SUBSCRIBING to a attendant.uri.


Support for RFC 4662 was added by Polycom back in 2009 via VOIP-42091 and focuses mainly on our Partner Broadsoft.


Any change to the above would require a feature request as explained in detail => here <= 

Best Regards

Steffen Baier

Polycom Global Services


If official support is required please check how to phone or open a case here

The title Poly Employee & Community Manager is a community setting and does not reflect my role. I am just a simple volunteer in the community like everybody else. All posts and words are my own & do not represent the views of Employer.


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Notice: This community forum is not an official Poly support resource, thus responses from Poly employees, partners, and customers alike are best-effort in attempts to share learned knowledge.
Please also ensure you always check the VoIP , Video Endpoint , Microsoft Voice , PSTN or other FAQ's in the different sections
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