Grandstream handytone HT486 SIP gateway

Model: Grandstream HT486

Specifications

Single FXS port (RJ11)

Two Ethernet Ports (RJ45)

SIP 2.0(RFC 3261), TCP/UDP/IP, RTP/RTCP, HTTP, ICMP, ARP/RARP, DNS, DHCP (both client and  server), NTP, PPPoE, STUN, TFTP, etc.

Gateway and DMZ port forwarding, has a built in router and NAT.

Can also be configured to function as a bridge (with disabled NAT and DHCP)

Powerful digital signal processing (DSP) to ensure superb audio quality; advanced adaptive jitter control and packet loss concealment technology

Support codecs G.711 (PCM a-law and u-law), G.723.1 (5.3K/6.3K), G.726 (40K/32K/24K/16K), as well as G.728, G.729 and iLBC.

Support Caller ID/name display or block, Call waiting caller ID, Hold, Call Waiting/Flash, Call Transfer, Call Forward, in-band

Support fax pass through (for PCMU and PCMA) and T.38 FoIP (Fax over IP).

Support Silence Suppression, VAD (Voice Activity Detection), CNG (Comfort Noise Generation), Line Echo Cancellation (G.168), and AGC (Automatic Gain Control)

Layer 2 support (VLAN's 802.1Q, 802.1p) and Layer 3 support for QoS (ToS, MPLS, DiffServ)

Supports automated NAT traversal (no need to manually manipulate firewall/NAT

Supports authentication (DIGEST using MD5 and MD5-sess) and standard encryption

Support device configuration via built-in IVR, Web browser or Central configuration files through TFTP or HTTP server

Support firmware upgrade via TFTP or HTTP with encrypted configuration files.

Support PSTN pass through, be able to make and receive VoIP or PSTN calls using same connected analogue phone.

Grandstream handytone HT486 / HoSunn Tech

Lables: Grandstream VoIP Gateways,SIP VoIP Gateways