Table 42 Feature Specifications
Voice Functions | SIP (RFC 3261) version 2 |
| SDP (RFC 2327) |
| RTP (RFC 1889) |
| RTCP (RFC 1890) |
| G.168 Echo Cancellation |
| VAD (Voice Activity Detection) |
| Silence Suppression |
| CNG (Comfort Noise Generation) |
| VLAN tag support |
| QoS Supports TOS and Diffserv Tagging |
| RTP Voice Highest Priority |
| Codec: G.711 (PCM), G.729 (ADPCM) |
| Loop Start Signaling Support |
| Modem and Fax Tone Detection and Pass Through |
| DTMF Detection |
| Multiple SIP number supports |
| Multiple Channel Supports |
| T.38 Fax Relay |
| Point to Point Calling (Direct IP to IP Calling) |
| Speed Dial (Phonebook) |
| Lifeline Support |
| Support NAT Traversal / RFC3489- IETF Simple Traversal of UDP Through |
| NAT (STUN) |
| Caller ID |
| Dialing Type: Tone, Pulse (Auto detection) |
| Ring cadence frequency can be tuned by firmware |
| Tip/ring polarity reversal |
|
|
Call Features | Call Waiting (CW) w/ caller ID |
| Call Forwarding (unconditional/busy/no answer) |
| Call Transferring (blind/consult/on hold/attendant) |
| Three way conference call with local mixing |
| CLIP (Calling Line Identification Presentation) |
| CLIR (Calling Line Identification Restriction) |
| Call Hold/Retrieve/Block |
| Incoming Call Policy (Accept/Forward/Block) |
| Second Call |
| Internal Call |
| Flash Hook Timer |
| Caller Ringing Tone (Early Media) |
| On Hold Tone |
| Message Waiting Indicator (RFC 3824), Visualized MWI, MWI by |
| IVR (Interactive Voice Response) |
|
|
108 | Appendix A |