AudioCodes MP-20x User Manual page 266

User's Manual
*xx: 2-digit star codes
[1-7]xx: A regular 3-digit extension that does not start with 9 or 8 is dialed immediately
[2-7]xx: A regular 3-digit extension that does not start with 9, 8, or 1 is dialed
immediately
[2-7]xxx: A regular 4-digit extension that does not start with 9, 8, or 1 is dialed
immediately
[8]xxx: A 3-digit extension prefixed with an 8 (routes calls directly to voicemail of
extension xxx)
[8]xxxx: A-4 digit extension prefixed with an 8 (routes calls directly to voicemail of
extension xxxx)
MP-20x Telephone Adapter 266 Document #: LTRT-50609