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1. Introduction
The Micronet SP5050 Series FXO gateway provides voice/fax service over IP
network with H.323 v3 protocol. By connecting to your existing ADSL or cable
modem service, which allows the use of a single, network for voice and fax
services with consequent saving in network infrastructure and greatly reduced
telephone charges. Ideal solution for providing low cost communications
between headquarters and branch offices in the world, as well as for SOHO
and office telephony applications.
Micronet SP5050 Series FXO Gateway provides analog lines to connect local
PSTN/PTT interface (FXO), and converts voice/fax signal onto IP network.
The management feature is via RS-232C COM port and TELNET.
1.1 Features and specification
General Features
- ITU-T H.323 v3 compliance
- Automatically Gatekeeper Discovery
- Peer-to-Peer mode (non-Gatekeeper)
- Support auto-attendant (2nddial Tone / Voice greeting)
- Line hunting
- 2(SP5052)/4(SP5054)/6(SP5050) RJ-11 FXO ports
- E.164 (Telephone Number Plan)
- DTMF dialing
- DTMF detection/generation
- TFTP software upgrade
- Remote configuration/reset via Telnet
- LED indication for system status
- LAN interface : One RJ-45 connector of 10Base-T
- Microsoft Netmeeting v3.0 compatible
- Support static IP and DHCP
- QoS by ToS (Type Of Service)
- SNTP (Simple Network Time Protocol)
- Security: Password setting
Audio feature
- Codec -- G.711 a/μlaw, G.723.1, G.729
- VAD (Voice Activity Detection), CNG (Comfort Noise Generate)
- G.168/165-compliant adaptive echo cancellation
- Dynamic Jitter Buffer
- Bad Frame Interpolation
- Call Transfer (H.450.2)
- Call Forward (H.450.3)
- Call Hold (H.450.4)
- Gain Settings
- Provide Call Progress Tone: Dial tone, busy tone, call-holding tone and
ring-back tone