Key Facts 5U, Industry PC built in; Dual Band 900,1800MHz or Quad band: 900, 1800, 850, 1900MHz; Connect ISDN E1/PRI of PBX or E1 Trunk Gateway) Packing Detail E1 GSM Channel Bank is connected to ISND E1/PRI of PBX or E1 Trunk Gateway 30 voi... - Update: 2009-10-26

Key Facts (with 8FXS or 8FXO; 4FXS+4FXO; 6FXS+2FXO embedded) Packing Detail SC-8 SIP Proxy Server is designed as an embedded based platform Performs internet telephony services: registration status, call detail record &security registration ... - Update: 2009-10-26

Key Facts UMTS 2100MHz (WCDMA, 3G) For call termination (VOIP to 3G) & Call origination (3G to VOIP) - Update: 2009-10-26

Key Facts UMTS 2100MHz (WCDMA, 3G); 2-channel 3G VoIP Gateway for call termination & origination; SIP, Asterisk compatible; 2 calls is avaialble simultaneously for 3G - VoIP conversion - Update: 2009-10-26

Key Facts With 2SIM, 1WAN, 1LAN, SMS for GSM-VoIP connection, call termination & origination, SIP Asterisk compatible, 2 calls avaialble, SMS sending & receiving, Dual band, Tri band 900 1800 1900MHz, Multi band 850 1900 1800MHz - Update: 2009-10-26

Key Facts For 8 GSM Mobile - VoIP connection; Dual band 900/1800MHz, Triband 900/1800/1900MHz, Multi band 50/1900/1800MHz; FCC CE RoHS - Update: 2009-10-26

SMS sending & receiving; dual band 900/1800MHz, tri band 900/1800/1900MHz, multi band 850/1800/1900MHz; SIP, Asterisk, VoIPBuster compatible - Update: 2009-10-26

1Channel GSM FWT SCG-600 with 1SIM 1PSTN; SCG-601 with 1SIM 1Tel; 12KHz reverse polarity is option Quad band GSM 850/900/1800/1900MHz; Support reverse polarity 12kHz, connect PBX - Update: 2009-10-26

4 Channels GSM FWT SCG-4Q with 4SIM 4Tel Quad band 850 900 1800 1900MHz, reverse polarity, Connect to PBX, Tel set, Billing;(12/16KHz is option) - Update: 2009-10-26

8 Channels GSM FWT SCG-8Q with 8SIM 8Tel GSM 900 1800MHz or 850 1900MHz, with reverse polarity to connect with PBX, Tel set, Billing (12KHz/16KHz is option) - Update: 2008-07-14