| |
|
|
| |
VOIP Gateway 2FXS / 2AFXS / 4AFXS (SIP/ H.323)
|
|
|
Gateway 2FXS/2AFXS/4AFXS is a 2port/4port tel. extension to IP network gateway. It provides VoIP & FoIP with easily operation and configuration. Support DHCP features for Plug & Play operation. Designed for Home, SOHO and IP telephony call use
Key Features: * ITU-T H.323 v3 / SIP compliance * Support H.235 security function * Automatically Gatekeeper Discovery * Alternate Gatekeeper selection * Provide Peer-to-Peer Mode (Non Gatekeeper needed) selection * Line polarity reversal generation * Provide call progress tone * PPPoE (option) * Behind NAT router or IP sharing device * E.164 Dial Plan * DTMF detection/generation * TFTP/FTP software upgrade * Remote configuration/reset * MS-NetMeeting v3.0 compatible * Support Fixed IP and DHCP * Support QOS by setting TOS (Type Of Service) parameters of VoIP packet * Automatically FAX detection * Group 3 Fax relay at 2.4 - 14.4 kbps * Support T.38 protocol * Codec -- G.711 A/u-Law, G.723.1, G.729A, G.729 * VAD (Voice Activity Detection), CNG (Comfort Noise Generation) * G.168/165-compliant adaptive echo cancellation * Dynamic Jitter Buffer * Bad Frame Interpolation * Completed voice band signaling support * Generate Caller ID (DTMF or FSK) * Provide Inband or Outband DTMF generation/detection * Provide H.450 services (Hold, Transfer, Forward) * Gain/Attenuation Settings Provide Progress Tone: Dial tone, busy tone, call-holding tone, 2nd Dial tone and ring-back tone
|
|
|
|
|
|
|
|
|
|
|