Codecs on SIP phones

Opus

G722

PCMA

PCMU

G726/40 (legacy)

G726/32

G726/24

G726/16

G729AB

G729

iLBC/15.2 (legacy)

iLBC/13.3

G723/63 (legacy)

G723/53

Opus

G722

PCMA

PCMU

G.729A/B

G.726-40

G.726-32

G.726-24

G.726-16

iLBC (legacy)

G.723.1