Product Description
Performance and features
Support SIP protocol
Support Bridge and Router(NAT&NAPT) models.
TCP/UDP/IP, ICMP, HTTP, DHCP Client (WAN Interface), DHCP Server(LAN Interface), DNS Client, DNS Relay, SNTP, PPPoE, FTP, TFTP.
Voice Codecs: G.711(A-law/U-law), G.723.1, G.729A/B,G.726,ILBC
NAT penetration: STUN client, AVS and Citron etc. Can modify SIP register port, HTTP server port, Telnet server port and RTP port.
Support standard voice features such as numeric Caller ID Display, Call Waiting, Hold, Transfer, Do-Not-disturb, Forward, in-band and out-of-band
DTMF, Hotline (off hook autodial), ban outgoing.
Support standard encryption and authentication (DIGEST using MD5, MD5- sess).
Support Silence Suppression, VAD (Voice Activity Detection), CNG (Comfort Noise Generation), Line Echo Cancellation (G.168), and AGC (Automatic Gain Control).
Provide easy configuration thru manual operation (Web interface and Telnet) or automated centralized configuration file via TFTP or HTTP.
Support firmware upgrade via TFTP/FTP and HTTP.
Support s og, can send event of gateway to s og server.
Each FXS port have one SIP account and one PSTN phone number.
It can use the same SIP account for 2FXS port,but at that time,only one of the port can be used as callee,however,both port can be used as caller simultaneously.
But when they used the different SIP account,it can be used as caller or callee anytime.
For the lifeline port,the default is 1FXS port to be used as PSTN phone when power off.
You can select any FXS port to be switched to PSTN as caller through lifeline port by dial different dial prefix.
| Payment Terms: | FOB ZHENGZHOU |
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