User ManualTable of Contents1. Introduction1Product Overview1Product Features2Hardware Description32. Installation and Applications4Network Interface4Gateway Assigned with a Public IP Address4Gateway in a NAT network5Telephone Interface Description6Example for DVG-2032S:63. Setting the Gateway through IVR7IVR (Interactive Voice Response)7IVR Functions Table:9IP Configuration Settings—Setting IP Configuration of WAN Port111. Setting a Gateway with WEB Browser14Network Settings (WAN)14Network Settings (LAN)19QoS Settings20NAT/DDNS21Telephony Settings23SIP25Calling Features29Advanced Options31Line Settings32Codec32Fax Settings33Digit Map35Phone Book35Speed Dial35Caller Filter36ACL for Management36CDR Settings37Language37CPT/Cadence Settings37System Information38RTP Packet Summary39STUN Inquiry39Ping Test39SNMP40NTP40Backup/Restore40Provision Settings41System Operations (Save Settings)41Software Upgrade42Logout422. IP Sharing Functions433. Coding Principle46Instruction46Dialed Number Processing Flow46Size: 743 KBPages: 51Language: EnglishOpen manual