Overview:
Analog Gateway/IPPBX locates at the interface between PSTN and IP to achieve the conversion between FXO/FXS and VoIP SIP,meanwhile complete the media stream transformation between the bearer channel of PSTN and IP.
Application:
Used for IPCC, IP Dispatch, Unify Communication, VoIP network, operators, and so on.
Specification:
- 
Signaling:SS7, PRI, R2, CAS, Q.SIG, V5.2, and DPNSS;
 
- 
VoIP Protocol: SIP and H.248;
 
- 
Codec: G.711 U-Law and A-Law, G.711 Appendix 1, G.723.1 and G.723.1 Annex A, G.729 Annex A and Annex B, G.726-16,G.726-32,GSM,GSM-EFR,ARM,ARM-WB, ILBC;
 
- 
Fax Protocol:T30, T38, pass through;
 
- 
Network Protocol: IP, NAT, ICMP, ARP, HTTP, BOOTP, FTP, TFTP, DHCP, PPPOE, SNMP, Diff-Serv;
 
- 
Advanced Voice Processing Technology: Voice Activity Detection (VAD), Comfort Noise Generation (CNG), Echo Cancellation, DTMF, Caller ID, and Flexible input/output Gain Control.
 
Physical Capacity and Specification:
| 
 Item 
 | 
 BD-VOIP-16FXS/FXO 
 | 
| 
 Analog fxs/fxo Port 
 | 
 16FXO\FXS 
 | 
| 
 E1 port (PCM) 
 | 
 0 
 | 
| 
 VOIP IP Channels 
 | 
 16 
 | 
| 
 SIP Subscribers 
 | 
 100 
 | 
| 
 Ethernet Interface 
 | 
 2 (10/100/1000M Base-T 
 | 
| 
 CONSOLE 
 | 
 1 (RS232 port) 
 | 
| 
 SIP Compatibility 
 | 
 CISCO, Siemens, AVAYA, Huawei, ZTE, etc. 
 | 
| 
 Input voltage 
 | 
 DC -48V or AC 110-240V 
 | 
| 
 Power 
 | 
 25W 
 | 
| 
 Telephone line transmission distance 
 | 
 5KM 
 | 
| 
 Machine Dimension 
 | 
 472mm*260mm*44mm (1U) 
 | 
| 
 Weight 
 | 
 3.5KG 
 | 
| 
 Weight Work Environment 
 | 
 0℃~50℃, Less 80% 
 | 
Application Topology:
1.   Basic application

2.   Connection for two different places/offices via FXS VoIP Gateway

3.   Function and Features of IPPBX

4.   Solutions for IP call center

5.Example Application

FAQ about voip gateway:
Question: Can your 16FXS IPPBX supporting 5 km Telephone line transmission distance?
Answer: Yes.