文档介绍：IP Telephony Solution 22 IP Telephony Total Solution MCU-1900 MCU-1400 Multipoint Conferencing Unit VIP-281GS ( 1FXS , 1GSM , 1PSTN ) GSM Gateway IP Phone ATA Unified Office Gateway Multimedia Phone Voice Gateway VGW-400 ( 4FXO , 4FXS ) VIP-880 ( 4FXO , 4FXS ) VIP-480 ( 2FXO , 2FXS ) VIP-281 ( 1FXO , 1FXS ) VIP-2480 ( 12FXO , 12FXS ) VIP-1680 ( 8FXO , 8FXS ) VIP-156 ( 1FXS ) VIP-156PE ( 1FXS , 1PoE ) VIP-157 ( 1FXO, 1FXS ) VIP-157S ( 2FXS ) IP PBX UMG-2000 (4-Port FXO) UMG-2100 (T1/E1, PRI) UMG-2200 (8-Port FXO) UMG-1000 Wireless Voice Router ICF-1700 VIP-462DG VIP-281SW FRT-420SN (Fiber Router) E1 / T1 Gateway VIP-2100 VIP-2400 VIP-254NT VIP-256PT VIP-362WT VIP-2020PT VIP-EXT-26 VIP-5060PT VIP-EXT-26 IPX-330 (30 registrations) Modules: IPX-21FO (4 FXO) IPX-21SL (2FXO, 2FXS) IPX-21GS (4GSM) IPX-2100 (100 registrations) 3 ? SIP based ? Secure transmission ? TLS (RFC2246, Transport Layer Security) ? SRTP (RFC3711, Secure Real-time Transport Protocol) ? PoE for flexible deployment Fully Interoperable Design UMG / IP PBX applications Asterisk partner ITSP-solution partner VoIP phones ATA Voice Gateways 44 Key Features of IP PBX Call Forward Call Park Call Pick-up Call Transfer Trunk Access Auto Provisioning Dial Plan CDR System Stack PBX Features Voicemail Conference (3-Way, Meet-me) SIP Server (Proxy, Register) Auto Attendant IP PBX Administration 5 FAX ? Email Support ? pliant for sending FAX over IP ? Green office ? Accelerates munication 6 / 25 Product Features Unified Office Gateway 7 Unified Office Gateway UMG-2200 UMG-2200 7 Unified work management at single point 88 Features UMG-2200 E-mail Service ? Supports POP3, SMTP, IMAP ? Secured Socket Layer (SSL) ? Junk Mail Filtering ? Anti-Virus and Anti-Spam ? Auto Backup, Auto Reply ? Web Mail E-mail Service ? Supports POP3, SMTP, IMAP ? Secured Socket Layer (SSL) ? Junk Mail Filtering ? Anti-Virus and Anti-Spam ? Auto Backup, Auto Reply ? Web Mail Security Service ? A