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mdm series digital trunking gateway ● embedded design, standard 1u chassis. ● supports incoming calls on the pstn line. after routing and number change, the specified sip trunk is connected for voice communication. ● no. 7 signaling supports the 14/24 bit code standard, supports traffic sharing between links and link groups, and supports multiple destination signaling point codes. ● supports incoming calls on the ip line. after routing and number change, the specified pcm relay is connected for voice communication. ● supports number change, caller id, and pstn/voip routing path. ● supports audio codec formats g.711a, g.711u, and g.729a/b. ● support dtmf mode rfc2833, sip info, inband. ● supports signaling 7 (tup), isup, isdn (user side, network side), sip v2.0. ● supports network protocols such as tcp/udp, http, arp/rarp, dns, ntp, tftp, telnet, and stun. ● support static ip address modification, dns domain name resolution. ● support administrator authentication to ensure the security of resources and data. ● web-based ping testing can be performed. ● you can modify the configuration, gateway services, kernel, and firmware upgrades through the web interface. ● the syslog type supports error, warning, info, debug. |