GSM Gateway, China Wholesale GSM Gateway

Item No:MemberSC-375
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Description: FEATURES: 50 sets of LAN --> MOBILE routes setting; 50 sets of MOBILE --> LAN routes setting -Support one stage diaing ** When LAN phone & SC-375 both register SIP proxy Server or Asterisk or VoipBuster,users can dial any destination number from LAN phone directly ** SIP Proxy Server, Asterisk need to have the route of destination number; VoipBuster need to have credit -Support assigned mode & free mode-two stage dialing Voice response for setting and status (dial in from mobile) Standard SIP(RFC2543RFC3261) protocol, communicates with other gateway or PC All functions can be set on web TCP/IP：IP/TCP/UDP/RTP/RTCP/、CMP/ARP/RARP/SNTP、DHCP/DNS Client、IEEE802.1P/Q、ToS/DiffServ、NAT Traversal、STUN、uPnP、IP Assignment、Static IP、DHCP、PPPoE Codec：G.711 u-Law、G.711 a-Law、G.723.1 (5.3k)、G.723.1 (6.3k)、G.729A、G.729A/B Voice Quality、VAD、CNG、AEC、LEC、Packet loss Example of Application: 3 Simple Steps in operation: Step 1. Change the Network setting if you need (Network/network setting) Step 2. Register SIP proxy Server or Asterisk or VoipBuster if you need (sip setting/service domain) Step 3. Set Route (request)

Item No:MemberSC-385
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Description: Compatible with Asteristik Enable users to make 2 calls simultaeously from SIP VoIP to GSM or from GSM to SIP VoIP devices GSM SIP VoIP conversion 50 sets of LAN to GSM mobile routes setting 50 set of GSM mobile to LAN routes setting Voice response for setting and response (Dial in from GSM mobile) Standard SIP (RFC2543, RFC 3261) Protocol, communicate with other gateway or PC All function can be set up on web Dual band: 900/1800MHz Tri band: 900/1800/1900MHz Quad band: 900/1800/850/1900MHz

Item No:MemberSC-855
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Description: Main functions of SC-855: Conversion of wire & wireless communication Auto-select economic route Code Conversion Setting: Through the connection towards local PSTN line, the phone calls with proceed with code-transfer dialing process Set the Allow-to-Dial Code Set GSM dial-out code amount Polarity reversing function Definition of DTMF reversing signal Limit of communicating time Set up GSM extra dialing local-code Set up extra dialing local-code to PSTN GSM simulated echo-bell-sound function GSM isn ready, call will be forced to dial out from PSTN Setting of Specific Call-Transfer: PSTN TO GSM, GSM TO PSTN, GSM call-Transfer setting time to PSTN, DTMF definition of reversed signal Specification: Phone Impedance: Below DC 1K Phone Ring Output Voltage: 45V rms. Phone Signal (DTMF) Standard: -3dbm~-24dbm. Phone Signal (DTMF) Time: 50~100ms. DTMF Frequency Rate Error:+1% GSM Specification: GSM Frequency bands: Dual Band EGSM 900 and GSM 1800 (GSM Phase 2+) GSM class: Small MS Transmit power. Class 4(2W) for EGSM 900 Class 1(1W) for GSM 1800 SIM card reader. External-connected via interface connector Antenna:50 Ohm antenna coaxial connector Temperature range: Normal operation:-20℃ and +55℃ Restricted operation:-25℃ to -20℃ and +55℃ to +70℃ Storage: -40℃ to +85℃

Item No:MemberSC-355
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Description: Main functions: Conversion of wire & wireless communication Auto-select economic route (LCR) Code Conversion Setting: Through the connection to local PSTN line, the phone calls will be proceeded with code-transfer dialing process Volume modulating setting (0-4) Polarity reversing function and 12 KHz built in Definition of DTMF reversing signal Limit of communicating time GSM function of dialing out the prompt voice When not connecting to PSTN line, GSM will provide the forced dial-out function Set up GSM extra dialing local code Set up extra dialing local-code to PSTN GSM simulated echo-bell-sound function If GSM isn ready; call will be forced to dial out from PSTN Setting of Dialing type Call-Transfer: PSTN TO GSM, GSM TO PSTN, GSM call-Transfer, setting time to PSTN out, DTMF definition of reversed signal Remote setup: Set up password SC-355sms: Add SMS Function (optional model) GSM frequency: Dual Band: 9001800; 900/1800/1900 MHz Specific Call ?Transfer setting: GSM to PSTN: Assign mode (one stage dialing); Free mode (two stage dialing) PSTN to GSM: An Incoming call will be transferred to specify GSM No. Call Transfer Restriction Set-up (10 sets) Short Code Set-up (100 sets) GSM Prefix No.Setting (50 sets) Support Caller ID Dual Mode (FSK + DTMF) Echo cancellation EMC (EMI + EMS) testing Approval SIM Card Pin code disable/enable

Item No:MemberSC-355D
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Description: MAIN ADVANTAGE: With LCD Display Call Transfer Restriction Setting (10 sets) Short Code Setting (100 sets) GSM Prefix No Setting (30 sets) Support Call ID Dual Mode (FSK+DTMF) Used Siemens TC-35 GSM Module SIM Card Pin code disable/enable FEATURES: Conversion of wire & wireless communication Auto-select economic route (LCR) Code Conversion Setting: Through the connection towards local PSTN line, the phone calls will proceed with code-transfer dialing process Volume modulating setting (1- 5) Polarity reversing function and 12 KHZ built in Definition of DTMF reversing signal Limit of communication time GSM function of dialing out the prompt voice When not connecting to Telephone Office line, GSM will provide the forced dial-out function Set up GSM extra dialing local code Set up extra dialing local-code to PSTN GSM isn ready, call will be forced to dial out from PSTN Setting of Dialing type Call-Transfer: PSTN TO GSM, GSM TO PSTN, GSM call-Transfer setting time to PSTN out, DTMF definition of reversed signal With LCD display for easy programming GSM Frequency bands: Dual Band EGSM 900 and DCS 1800 MHz GSM 850/900/1800/1900 MHz (optional) Specific Call Transfer setting: GSM to PSTN: Assign mode (one stage dialing) PSTN to GSM: An Incoming call will be transferred to specify GSM Number Free mode (two stage dialing) The user dial SIM Number of device, and the device send a tone for continuous dailing