| Description |
Specification |
| Control protocols |
H.323 v.2 SIP RFC 2543 bis |
| Provisioning |
DHCP (RFC 2131) Voice prompt configuration via telephone
keypad (IVR menu) Basic boot provisioning (TFTP Profiling)
Dial plan provisioning |
| DTMF |
DTMF tone detection and generation |
| Out-of-band DTMF |
H.245 out-of-band DTMF (H.323) RFC 2833 AVT tones (SIP) |
| Transmission protocols |
TCP/UDP/IP |
| Line echo cancellation |
One line echo canceller (LECs) for each port 8 ms echo
length Non-linear echo suppression (ERL greater than 28
dB for = 300 to 3400 Hz) Convergence time = 250 ms ERLE
= 10 to 20 dB Double-talk detection |
| Voice features |
VAD (silence suppression) CNG (comfort noise generation)
Dynamic jitter buffer (adaptive and configurable) |
| Physical
interfaces |
|
| Ethernet |
RJ-45 8-wire connector, IEEE 802.3 10Base-T standard |
| Analog Telephone/PBX |
Two Rj-11 FXS voice ports |
| Power |
5 VDC power connector |
| Ringer equivalence number (REN) |
5 REN per RJ-11 FXS port |
| Indicators |
Function button with integrated status indicator Activity
LED indicating network activity |
| Dimensions (H x W x D) |
6.5 x 6 x 1.5 in. (16.5 x 15.25 x 3.8 cm) |
| Weight |
15 oz (425 gm) |
| Operating temperature |
32 to 122°F (0 to 50°C) |
| Storage temperature |
-22 to 149°F (-30 to 65°C) |
| Relative humidity |
10 to 90% non-condensing, operating and
non-operating/storage |
Do not
open or disassemble this product.