This series of intercom servers is a multifunctional unified communications device for small and medium-sized enterprises worldwide. Based on the SIP standard and featuring a modular design, it integrates a wide range of functions including VoIP telephony, virtual fax, audio conferencing, call recording, Busy Lamp Field (BLF), and paging/intercom. The system is easy to manage and maintain, with simple upgrades and capacity expansion. It is an ideal solution for SMEs to quickly build their own unified communications system, enhancing corporate image and improving operational efficiency.
The DSP9302 and DSP9303 feature a removable modular design, with each device equipped with two module slots. The DSP9301, on the other hand, uses an onboard module design.
Model | DSP9301 | DSP9302 | DSP9303 |
Number of Extensions | Up to 100 | Up to 200 | Up to 600 |
Concurrent Calls | Up to 30 | Up to 60 | Up to 150 |
Concurrent Conferences | Up to 30 | Up to 60 | Up to 150 |
Recording & Voicemail Storage | Up to 400 hours | Up to 15,000 hours | Up to 15,000 hours |
Memory | 1 GB | 1 GB DDR3 | 1 GB DDR3 |
Storage | 8 GB SD Card | 1 TB HDD | 1 TB HDD |
Busy Lamp Field (BLF) | Supported | ||
Caller ID Display | Supported | ||
Call Queue | Supported | ||
Call Forwarding / Call Transfer / Call Waiting | Supported | ||
Call Recording | Supported | ||
DISA & Paging / Intercom | Supported | ||
Audio Codecs | G.722, G.711-Ulaw, G.711-Alaw, G.726, G.729, GSM | ||
Video Codecs | H.263, H.263+, H.264 | ||
Dialing Permissions | Supported | ||
One Number Multiple Devices | Supported | ||
Music on Hold | Supported | ||
Skype for SIP | Supported | ||
SIP & IAX Extension Registration | Supported | ||
Network Access | Static IP / DHCP / PPPoE | ||
System Backup & Restore | Supported | ||
HD Video Calls | Supported | ||
Web Extensions (WebRTC) | Supported | ||
Operating Temperature | 0 °C–40 °C | ||
Storage Temperature | -20 °C–55 °C | ||
Humidity | 5–95% RH, non-condensing | ||
DSP9000—IP Network System SoftwareMarch 22, 2017view
DSP9303 Intercom ServerJanuary 28, 2026This series of intercom servers is a multifunctional unified communications device for small and medium-sized enterprises worldwide. Based on the SIP standard and featuring a modular design, it integr...view
DSP9100 7U IP Network PA System ServerJuly 1, 2019The IP Broadcast Server adopts industrial control host. The system is stable and reliable with SSD and aluminum alloy panel. Working 24 hours a day, it can operate stably in low and high temperature f...viewwe will contact you within 24 hours.
DSPPA Brings New IP Audio and Audio Matrix Solutions to ISESeptember 5, 2017DSPPA attended the 2017 ISE show at the RAI Amsterdam on 7-10 February 2017. The show was a resounding success, with more attendees than ever before and the largest floor space to date. Over 1,100 exh...view
The Role of Fire Rated Ceiling SpeakersMarch 14, 2025Fire rated ceiling speakers are a type of audio equipment in the fire protection system, installed on the walls or ceilings of various buildings. They can provide timely alert information to people, s...view