8-Port SIP VoIP Gateway (8*FXS), SIP 2.0, STUN, T.38, IPv6, Caller ID, IP/MAC/URL filtering, PLANET Easy-DDNS

Highlights
Supports SIP 2.0 (RFC 3261)
Supports IPv6 and IPv4 simultaneously
Up to 24 SIP service domains and Caller ID
Supports auto HTTP provision and fax feature
Flexible routes plan, dial plan and SIP trunk

Internet Features
IPv4 (RFC 791) and IPv6
IPv6 auto configuration (RFC 4862)
IPv6 only, IPv4 only or dual stack
MAC clone setting
Vendor Class ID
DDNS (Planet DDNS, Easy DDNS, DynDNS)
DNS client
Firewall
URL / IP / MAC / Port filter
Port forwarding (TCP, UDP or both)
Bandwidth control (download and upload), maximum bandwidth priority setting

SIP Applications
SIP Session Timer (RFC 4028)
SIP Session Refresher: UAC or UAS
SIP encryption
Supports outbound proxy / STUN NAT Traversal
Supports primary and backup SIP server

Call Features
Supports peer to peer dialing
8-line FXS connects to analog phone set or PABX
Caller ID recognition DTMF (before/after 1st ring) and FSK (before 1st ring), ETSI and Bellcore
DTMF caller ID start and stop bit configurable
T.38 fax volume configuration

FXS Line Configuration
Line ID / Line phone number
Polarity reversal detection or generation for call establish and billing

Routing Plan
Prefix match and length
Priority / Cyclic / Simultaneous ring
Programmable hunting cycle

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