Datasheet

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Description Specification
Voice features Quality of service (QoS) (Ethernet port upstream bandwidth control)
Independent configurable dial plans with interdigit timers and IP dialing (per line)
Call progress tone generation
Jitter buffer: Adaptive
Frame-loss concealment
Full-duplex audio
Echo cancellation (G.165 and G.168)
Voice activity detection (VAD)
Silence suppression
Comfort Noise Generation (CNG)
Attenuation and gain adjustments
Flash hook timer
MWI tones
VMWI through frequency shift keying (FSK)
Polarity control
Hook flash event signaling
Caller ID generation (name and number): Bellcore, DTMF, and ETSI
Music-on-hold (MOH) client
Streaming audio server: Up to 10 sessions
MOH
Call waiting and call waiting caller ID
Caller ID with name and number
Caller ID blocking
Selective and anonymous call rejection
Call forwarding: no answer, busy, and all
Do not disturb
Call transfer, call return, and call back on busy
Three-way conference calling with local mixing
Per-call authentication and associated routing
Call Blocking with Toll Restriction
Distinctive ringing: Calling and called number
Off-hook warning tone
Advanced inbound and outbound call routing
Hot line and warm line calling
Long silence (configurable time setting) silence threshold
Disconnect tone (for example, reorder tone)
Configurable ring frequency
Ring validation time setting
Tip and ring voltage adjustment setting
Ring indication delay setting
Fax capability Fax tone detection pass-through
Fax pass-through using G.711
Real-time fax over IP through T.38 Fax Relay (T.38 support is dependent on fax machine and network and
transport resilience.)
Enhanced gateway
authentication and routing
features
VoIP-to-PSTN (United States) service call origination and termination
PSTN-to-VoIP (United States) service call origination and termination
Single- and two-stage dialing
Forward calls to VoIP service: Selective, Authenticated, and All
Forward calls to PSTN service: Selective, Authenticated, and All
PSTN line sharing with multiple extensions
Automatic PSTN fallback (loss of power or IP service to unit, with quiescence to normal operations)
Advanced inbound and outbound call routing
Independent configurable dial plans: Up to 8
Force PSTN disconnection
Sequential dialing support