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 | ||
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