Origin	Taiwan
Model Number	GP-630
Brand Name	Gempro

GP-630 is GSM VoIP Gateway. It connects GSM Network to VoIP Network directly and has function of two-way communicating by GSM to VoIP or VoIP to GSM.
Insert SIM Card into general PC/SC Smart Card Reader,plug Smart Card Reader into PC's USB port and connect to remote GP-630 by Internet in order to register to GSM system operators.
It is not only convenient for remote management but also saves expensive international roaming bills.

Feature:

1. Two-way communication by VoIP to GSM or GSM to VoIP
2. Compatible with SIP RFC 543,RFC 3261
3. Local & Remote SIM Card Access
4. Use general PC/SC Smart Card Reader and
    plug it into PC's USB port
5. Save telephone and international roaming bills
6. IP or SIM Card ID verifies Access authority
7. Support UPLINK (GSM to VoIP),
    DOWNLINK (VoIP to GSM)Routing
8. Support VOICE REPORT IP function.
9. Upgrade Firmware by Internet
10.Integrated web server for status and settings
11. Support SIP Proxy, or point to point application
12. Fix or Free dialing function
13. Dialout Number from IP phone Call Number
14. 850/900/1800/1900 MHz

Specification:
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VoIP:

Web Browser

IVR Interface

Uplink Route Setting

Downlink Route Setting

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Network Protocol:

SIP v1 (RFC2543), v2(RFC3261)

IP/TCP/UDP/RTP/RTCP

IP/ICMP/ARP/RARP/SNTP

DHCP Client/ PPPoE Client

DNS Client

 
NAT Traversal:

STUN

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Voice Quality:

VAD: Voice activity detection

CNG: Comfort noise generator

LEC: Line echo canceller

Packet Loss Compensation

Adaptive Jitter Buffer

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GSM:

Quad-Band 850/900/ 1800/ 1900 MHz

Compliant to GSM phase 2/2+
– Class 4 (2W@ 850/900 MHz)
– Class 1 (1W@ 1800/1900MHz)