Have a questions about differences between 2 (two) undermentioned audio codecs:
Codec, name: G.722
Codec Raw Bit Rate, kbps: 64
Codec, type: ITU-T standard wideband speech
Codec, name: Wideband/AAC
Codec Raw Bit Rate, kbps: 256
Codec, type: Cisco Proprietary
a) What type of Unified IP Phones do support Wideband/AAC ?
b) What codec is more adorable by the end-user ?
c) Does special accessories (handsets, microphone, speaker) need to implement Wideband/AAC ?
d) Cisco IP communicator supports Lin16k (Cisco linear wideband audio codec) ? What is this, Wideband/AAC or G.722 ?