Welltech FXSO Gateway In SIP V.1.2 - Manual (Page 6)

FXSO SIP Gateway User Manual Document Ver.: 102
Released Dec., 2004
4
1.2 Features and specification
Feature s
- IETF RFC 3261
- Automatically Dial Path Selection (IP or PSTN)
- PSTN Line switch to telephone set when power is failure
- PPPoE support
- Behind NAT router or IP sharing device
- DNS server inquiry
- Provide Peer-to-Peer Mode (Non SIP Proxy needed) selection
- E.164 Dial Plan
- TFTP/FTP software upgrade
- Remote configuration/ reset
- LED indication for system status
- Support Fix IP and DHCP
Audio feature
- Codec -- G.711 a/μlaw, G.723.1 (6.3kbps), G.729, G.729A
- G.168/165-compliant adaptive echo cancellation
- Dynamic Jitter Buffer
- Completed voice band signaling support
- Provide In-band or RFC2833 DTMF generation/detection
- Provide call progress tone
Management Feature
- TELNET/Console port and Web Browser configuration
Certification
- UL, CE, FCC
FXS Features
- 2-wire loop start
- Programmable On-Hook voltage, Ring voltage/Cadence/Frequency, Loop
current
- Line polarity reversal generation