User Guide

Stun:ShortforSimpleTraversalofUDPoverNATS,asolution to
solve NATissues.
5.3. Account-Advanced
5.3.1. SIPAccount
Account: IT82A(869) support single SIP account in this version.
5.3.2. Audio Codecs
To display and configure available/unavailable codecs list.
Codec means coder-decoder which is used to transfer analog
signal to digital signal or vice versa. Familiar codecs are
PCMU(G711U), PCMA(G711A), G722(wide-band codecs),
G729 and so on.