ZyXEL Communications P-27xx Series User Manual page 46

Chapter 6 Specifications
FEATURE
Audio Codec
LED Indicators
46
DESCRIPTION
ITU-T G.711 (64 Kbps)
ITU-T G.729 AB
ITU-T G.726 (16/24/32/40 kbps)
ITU-T G.723.1 (6.3K/5.3Kbps)
Detection and Suppression of Silence (VAD)
Comfort Noise Generation of (Comfort Noise)
Echo Cancellation: G.168/G.165
Volume Adjustment
Dynamic Jitter Buffer (Adaptive)
PLC (Packet Loss Concealment)
DTMF Detection and Generation
DTMF: In-Band and Out-of-Band (PCM, RFC 2833, SIP INFO)
G.711 PCM Fax, Modem Detection and Pass-through
Duration of hook flash is adjustable
Different Country Tone Table
1. Dial Tone
2. Busy Tone
3. Congestion Tone
4. Ring back Tone
5. Call Waiting Tone
6. Howler Tone
LAN
WAN
POWER
PHONE 1
PHONE 2
P-27XX Series User's Guide