Detailed Product Description
1) With SIP protocol;
2) Provide VoIP interface to IP network;
3) 2 E1, 32 FXO/ FXS;
4) Signaling: SS7, PRI, R2, V5.2, etc.

Description:
GN-AD300E IP-PBX is designed by Gnextech with new concept and combination our rich experience in traditional telephony technology and VoIP for NGN, not only provide E1, FXO, FXS interface, but also provide VoIP interface to IP network.
GN-AD300E IP-PBX has its powerful signaling protocol handling and exchanging capability, supporting most CTI functions like voice, meeting and Fax pass through etc.

Features
* Provide 32 port FXS or FXO, can be hardware configured with plug-in module base on customer requirement.
* 24 VoIP channel or 12 VoIP channel
* 1 or 2 E1/ T1 Port
* Signaling Support: SS7, ISDN-PRI, Q. SIG, V5.2.
* SIP Protocol
* CodecsG. 711-pcma, G. 711-pcmu, G. 723, G. 729, G. 726-16, G. 726-24, G. 726-24, G. 726-32, G. 726-40
* Fax support T. 38 and pass through
* DSP, can handle 128 DTMF/ Voice play and recording

Function
* Media transfer between PSTN and IP network.
* Multi routerinter-office management, Intelligent router distribute and telephone traffic sharing
* CDR output support TCP or UDP
* Grouping switching management, have PBX function like:
* Pre-recording voice attendance
* Busy call transfer
* Pre-set call transfer
* Do not disturb function
* Limit extension call out with account and password
* Caller ID display
* Add or cut prefix of dial number
* Voice recording (Optional)
* Meeting function (Optional)
* Provide CTILink API interface for user program control

Physical Specification

Application
Figure 1 V5.2 New Subscriber

Figure 2 New Subscriber of PSTN

Figure 3 New Subscriber of NGN

Figure 4 Call Center PBX