Product Description
The DASSCOM DUC 600 IP PBX is a compact and feature-rich VoIP IP-PBX system designed for business communication, combining SIP-based telephony with analog PSTN connectivity. It is suitable for offices, SMEs, hotels, educational institutions, healthcare facilities, and other organizations that require centralized call management. DASSCOM lists the DUC 600 with support for up to 500 users, 30 concurrent calls, and 15 conference attendees.
The DUC 600 includes 4 FXO ports for PSTN lines and 2 FXS ports for analog telephones, with the FXS ports providing lifeline capability during power outages. It also features dual 10/100 RJ45 network ports and an integrated NAT router, allowing it to connect directly to an existing business network.
For professional communication, the system supports features such as IVR, voicemail, call recording, call queues, auto-attendant, call forwarding, call transfer, call parking, DND, paging, intercom, ring groups, and conferencing. It supports up to 25 simultaneous PSTN or IP participants in conference bridges, according to DASSCOM’s datasheet.
The DUC 600 supports multiple voice and fax codecs, including G.711, G.722, G.723.1, G.726, G.729A/B and T.38, along with echo cancellation and dynamic jitter buffering. Security features include SRTP, TLS, HTTPS, Fail2ban, whitelist/blacklist controls and other protection mechanisms.
Key Features
- Up to 500 users
- Up to 30 concurrent calls
- Up to 15 conference attendees in the catalogue specification
- 4 FXO PSTN ports
- 2 FXS analog telephone ports
- FXS lifeline capability during power outage
- Dual 10/100 RJ45 Ethernet ports
- Built-in NAT router
- SIP / VoIP support
- Auto-attendant and multi-level IVR
- Voicemail
- Call recording
- Call queues and ACD
- Call forwarding and transfer
- Call parking and pickup
- DND
- Ring and hunt groups
- Paging and intercom
- DISA
- Caller ID
- 3-way calling
- Conference bridge
- T.38 fax support
- G.168-class echo cancellation
- Dynamic jitter buffer
- G.711, G.722, G.723.1, G.726 and G.729 codecs
- SRTP and TLS security
- HTTPS management
- Fail2ban
- IP whitelist and blacklist
- Auto-provisioning
- TFTP/HTTP/HTTPS provisioning
- Desktop installation
- USB and TF card interfaces
- Suitable for small and medium-sized businesses









