The GSC3506 is a 1-way public address SIP speaker that allows offices, schools, hospitals, apartments, and more to build powerful public address announcement solutions that expand security and communication. This robust SIP speaker offers crystal clear HD audio functionality with a high-fidelity 30-Watt HD speaker. The GSC3506 support built-in whitelists, blacklists, and greylists to easily block unwanted calls, SIP and multicast paging, group paging, and PTT. The users can easily sculpt a state-of-the-art security and PA announcement solution. Thanks to its modern industrial design and rich features, the GSC3506 is the ideal SIP speaker for any setting.
GSC3506
SIP/Multicast Intercom Speaker
The GSC3506 is a 1-way public address SIP speaker that allows offices, schools, hospitals, apartments and more to build powerful public address announcement solutions that expand security and communication. This robust SIP speaker offers crystal clear HD audio functionality with a high-fidelity 30-Watt HD speaker.
Description
Features
- Speaker with HD acoustic chamber
- Features SIP paging, multicast paging, call-waiting with priority override
- Full-band and wide-band audio codec support including Opus & G.722
- 1x 2-pin switch-in input port, 1x Alarm-in input port, vol+/- Key, reset, 1x network port, 1x USB port
- One 10/100Mbps network port with PoE/ PoE+





Recently released, Grandstream’s new GSC Series of SIP intercom solutions include the GSC3510, a SIP intercom speaker/microphone and the GSC3505, 1-way public address SIP speaker.
GSC3506 v2

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Product datasheets
Product Resources & Documentation...
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Product datasheets
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