Integrity

l  You can inset the CPU board in this standalone device, and then desploy integrated services, such as the IP-PBX, call center, multimedia conference system, digital recording system, fax server, and so on;

l  You can select various CPU board types to meet various services. At present, "Intel? Core 2 Duo T7200" and " Intel? Atom N270" are supported.

Comprehensiveness

l  A standalone switch possesses the functions of voice exchange, VoIP, voice playing, voice recording, faxing, conferencing, signaling processing, and so on.

High-Efficient management

l  The analog trunk interface can detect the port voltage to improve the system management efficiecy;

l  Simple usability (when the CPU board is built in);

l  The software can be preloaded to the CPU board for fast installation and deployment;

l  The built-in 4 network exchange interfaces are easily for extension;

l  By a LAN port, the switch can connect to a host, which could be used as a redundancy for the built-in CPU board;

l  The special CPU board switch ensures the service data integrity;

l  Support to connect to the UPS with the serial port in case of power-off;

l  The VGA and RS-232 are convenient to for external configuration or monitoring;

l  Two USB 2.0 ports are convenient to connect to the SMS modem, dongle, and other USB devices.

Flexibility

l  One-Stop ODM solution for customerization.

l  8 pairs of RJ48 digital trunk interfaces;

l  2 RJ45 LAN interface (10/100M);

l  240 circuit switching channels at most;

l  240 voice resources at most;

l  30 fax resources at most;

l  120 IP resources at most ^Note;

l  128 conference resources at most (256 members for each one);

l  16 SS7 links of 64 kbps at most;

l  2 SS7 links of 2 Mbps at most;

l  4 SS7 links of 2 Mbps at most (bidirectional high-impedance monitoring);

l  Connecting to 8 analog interface chassis at most.

Note: In a standalone switch, when the VoIP resource number is over 30, you need configure the Keygoe1001 high-density VoIP daughter board "PABEIP120". 

TDM interface and protocol

A) TDM interface

l Support the standard mode, high-impedance mode (the high-impedance adaptor need be connected externally);

l Conform to the G.703, and support the twisted pair (120 Ω balanced);

l Conform to the frame structure of G.704 and multiframe alignment of G.706;

l The 2048 kbps PCM confirms to the G.732 and G.796;

l The alarm conforms to the G.775;

l Support power fault alarming;

l The jitter and wander conforms to the G.823.

B) SS7

l Conform to the ITU-T signaling system No.7, including the Q.700-Q.716, Q.721-Q.766, and Q.771-Q.795;

l Maximum message processing ability for each link: 500 MSU/S;

l Support the MTP, TUP, ISUP, SCCP (transparency), and M3UA signaling function;

l Support the 64 kbps standard link and 2 Mbps high-speed link (monitoring);

l Support the 14/24-bit point codes;

l Support the traffic balancing between the links and link groups;

l Support the link switch and switch back in a link group;

l Support multiple OPCs (originating point codes) and DPCs(destination point codes);

l Support to dynamically add, delete, activate, recover, deactivate, normally restart, urgently restart signaling and to process signaling congestion;

l Support the SP and STP function.

C) ISDN PRI

l Conform to ITU-T Q.921 LAPD;

l Conform to ITU-T Q.931 ISDN PRI; European ISDN ETSI NET5;

l Support the network side and client side;

l Support the overlapping mode when receiving and sending called numbers.

IP interface and protocol

A) Network exchange interface

l TCP/IP 1000BASE-T port (RJ45)

SNMP              

l Conform to the SNMPV1 and SNMPV2

B) RTP

l Conform to the RTP/RTCP (RFC3551/3552);

l Voice encoding/decoding format: G.711 μ law/ A law, G.723.1 (5.3/6.3 kbps self-adaptation), G.729A/B/AB;

l Voice activity detection/silence compression (G.723/G.729);

l Comfort noise;

l Voice packet sampling length/frame number can be configured (10–60 ms);

l Dynamic DTMF load of the RTP (RFC2833/4733);

l Jitter buffer: Support the static jitter mode and dynamic self-adaptation mode simultaneously;

l Analyze the network environment and make the statistics of packet loss;

l Support the NAT/firewall detection and transparency.

C) H.323

l Abide by the ITU-T H.323v2 (H.225v2/H.245v3);

l Support the coding standards of G.723, G.726, and G.729;

l Support the call parameters such as the fast start and H.245 tunneling;

l Call forwarding;

l Gatekeeper auto discovery and login (Support the number registration types of H.323 UID and E164);

l H.245 user input character and DTMF signal message (User Input Indication);

l Terminal registration management.

D) SIP

l Conform to the IETF SIPv2 (RFC3261);

l UDP/TCP transmission mode;

l MD5 (digest) identity test;

l REFER call forwarding (RFC3515);

l SIP message subscription/notice (RFC3265 SUBSCRIBE/NOTIFY);

l Proxy server register, user identification, and timely refreshing;

l SIP INFO message (RFC2976);

l Registrar; support the authentication of the service part;

l Support the NAT/firewall detection and transparency.

E) Audio protocols

l Voice encoding and decoding format: G.711 μlaw/A law, G.723.1, (5.3/6.3 kbps self-adaptation), and G.729A/B/AB;

l Voice activity detection/Silence compression (G.723/G.729);

l Comfort noise.

Media resource

A) Voice resource

l Voice code format: Support the A law/μ law PCM, AMI-ADPCM, G729, G723.1, and so on;

l Voice file format: Support the WAVE, PCM, ADPCM, VOX, MP3, and so on;

l Support the transfer between the A law and μ law;

l Support the voice playing of the memory and file server in the real time;

l Support the recording of the file server in the real time (dynamic memory);

l Support the DTMF, FSK, R2, and tone detection of self-defined envelope;

l Support the DTMF, FSK, R2, and tone generation of self-defined envelope;

l Support the mixed voice recording and playing;

l Support the echo canceling (128 ms);

l Support the AGC/ALS;

l Support the voice recording and playing in a full duplex mode;

l Support the VAD and CNG;

l Support the DPD and PVD.

B) Fax resource

l Support the V29/V27 with the rates of 14400/9600/7200/4800/2400bps; support the automatic down speeding;

l Support the T.30 and T.38;

l Support to receive/send fax in an ECM mode, selecting ECM/NON-ECM mode automatically;

l Support to input the .tiff file using the MR, MH, and MMR; support to send/receive files using the MH.

C) Conference

l One trunk channel can be configured to one conference resource. 

l Voice services: IVR, telephone conferencing, color ring back tone (CRBT), background music, and telephone recording;

l Video services: multimedia CRBT, video telephone, video conference, video mail, 3G video, and video monitoring;

l Signaling services: virtual telephone exchange, signaling gateway, missed call service for fixed lines, integrated access gateway, media gateway, and mobile positioning;

l Integrated services: VoIP, unified messaging, Internet faxing, integrated QQ, and mobile payment;

l Call control services: pre-payment, post-payment, intelligent public telephone, and callback;

l Next-generation network: multimedia resource server;

l Call center: automatic voice playing, conference recording, IP agent, remote agent, video application, Web800, calling out, and automatic callback.