User`s manual

5
QoS – 802.1Q Virtual LANs
DiffServ (RFC 2475) / ToS (RFC 791/1349)
z IP Telephony (VoIP)
SIPv2 (RFC 3261)
- Session Timer (RFC 4028)
- Privacy Mechanism (RFC 3323)
- Outbound proxy setting for increasing performance, productivity,
and security.
- SIP proxy redundancy- Support Primary and Secondary proxy.
Voice Codecs
- G.711 (a-Law/u-Law): 64k bits (PCM)
- G.723.1: 6.3k/5.3k bits
- G.729A: 8k bits (CS-SCELP)
VAD – Voice Activity Detection with Silence Suppression
CNG – Comfortable Noise Generation
Echo Cancellation (G.165/G.168)
Jitter Buffer – Adaptive & Configurable
Packet Loss compensation - increasing voice quality
DTMF: In-band, Out-of-band (RFC 2833), and SIP-Info
Caller Generation/Detection – FSK, DTMF
FAX transmission
- G.711 pass-through
- T.38 Fax relay protocol
Tone Generation & Detection
- Ringing Tone
- Ring Back Tone
- Dial Tone
- Programming Tone
Call Features
- Call Hold
- Call Transfer (Blind & consultant)
- Call Forward (Unconditional / No Answer / Busy)
MWI – Message Waiting Indication
PSTN Routing Prefix (SP5018A)
PSTN Bypass when network or system failure (SP5018A)
IP line hunting
Call Routing Plan
Digit Manipulation