Blf Accaoui Phone Number

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• Frequently Asked Questions

• How do I get in touch with the BLF?

  Get in touch. If you’re looking for advice about living with a lung condition, you can speak to our helpline. Call us on 03000 030 555. For press and media enquiries, call our press team on 020 7688 5580 or email [email protected].

• How do I configure BLF function keys?

  BLF function keys can be configured really easily using the 3CX Management Console. Once the BLF function keys have been configured, the IP Phone subscribes to a resource list that’s available on the IP PBX. This resource list gives the phone all the necessary information about all the other extensions on the phone system.

• What does BLF mean on an IP phone?

  Some IP phones have BLF function keys. BLF is an acronym for Busy Lamp Field, which is a light on an IP phone that tells you whether another extension connected to the same PBX is busy or not. Depending on the type of phone you have, BLF’s will remain green, meaning the extension is free to talk.

• How does BLF work through SIP?

  BLF works through the SIP protocol by making use of the subscribe and notify messages. In a normal scenario, the phone is the subscriber and the IP PBX is the notifier. If you’d like to take an in-depth look at BLF function keys and the subscribe process, check out the Busy Lamp Field (BLF) blog post.