is your firmware on the phone recent? if not update it by downloading here https://software.cisco.com/download/release.html?mdfid=282724650&softwareid=282463651&release=7.5.7&relind=AVAILABLE&rellifecycle=&reltype=latest
your provider has to support multiple accounts and subscriptions. they should have a sample of a BLF config they have tested.
please post your function key setup this is probably under:
admin-advanced, phone --> line key <#> --> extended function
instructions for the syntax of the blf function is here
We are pleased to announce availability of Beta software for 16.6.3.
16.6.3 will be the second rebuild on the 16.6 release train targeted
towards Catalyst 9500/9400/9300/3850/3650 switching platforms. We are
looking for early feedback from customers befor...
Introduction Featured Speakers Luis Espejel is the Telecommunications
Manager of IENova, an Oil & Gas company. Currently he works with Cisco
IOS® and Cisco IOS XE platforms, and NX to some extent. He has also
worked as a Senior Engineer with the Routing P...
In this session you can learn more about Layer 3 multicast and the best
practices to identify possible threats and take security measures. It
provides an overview of basic multicast, the best security practices for
use of this technology, and recommendati...