Speed call dialing by FAC is NOT supported on phones which do not support RFC2833, such as the 2050v2, or 2004 phase 0 and phase 1 stations.

Programming the abbreviated dialing list by FAC is not supported on phones which do not support RFC2833, such as the 2050v2, or 2004 phase 0 and phase 1 stations. Device Adapter doesn't support the Predial state for abbreviated dialing.

Speed call dialing requires Avaya Aura® Media Server to collect the dialed entry code.

Refer to Communication Manager documentation for possible interactions with the Communication Manager.