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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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