Cisco ATA191 – Hoockflash and DTMF Control (Gigaset analogue phone) Posted on 27. July 2023 by Marc If you want to use Hoockflash Control with the “R”-Button on a Gigaset phone connected to a ATA191, you probably need to change the Hookflash Timers on CUCM to get this working. Otherwise, the “... Read More
