The Grandstream GSC3505 SIP Intercom Speaker is a 1-way HD public address device that delivers SIP-based paging, multicast announcements, and emergency alerts with an 8W speaker, PoE connectivity, and Wi-Fi/Bluetooth support for scalable building communication systems.
£150.00
Available on back-order
The Grandstream GSC3505 SIP Intercom Speaker is a 1-way public address SIP speaker designed for voice announcements, paging, and building-wide communication in offices, schools, hospitals, residential buildings, and commercial environments. It delivers HD-quality audio output and integrates into SIP-based communication systems for scalable public address solutions.
It is part of Grandstream’s GSC intercom and paging range and is typically used alongside SIP phones, PBX systems, and GDS access control devices to provide automated announcements, alerts, and emergency messaging.
The GSC3505 provides a cost-effective SIP-based public address solution, allowing organisations to broadcast announcements or alerts instantly across a network.
It supports SIP paging and multicast paging, making it easy to scale across multiple zones or buildings without complex wiring.
With built-in wireless options and PoE support, it can be deployed flexibly in both new and existing infrastructure.
Next Day Delivery
For UK orders received before 1pm Monday to Friday, we operate a next business day delivery service, subject to availability. We use next day services from the leading delivery companies.
Specific Time Delivery
If you need an item urgently, or delivered at a specific time, please contact us.
Delivery Methods
We use several leading delivery companies. The majority of our deliveries are made by DPD, including most international orders.
Shipping prices are calculated during the checkout process. We deliver to almost every country. For international delivery services, we use DHL, a high quality, fast delivery service. Prices are provided based on the weight of the order; this is calculated when you reach the checkout.
For full shipping information please visit our shipping page.
The Grandstream GSC3505 SIP Intercom Speaker is a 1-way public address SIP speaker designed for voice announcements, paging, and building-wide communication in offices, schools, hospitals, residential buildings, and commercial environments. It delivers HD-quality audio output and integrates into SIP-based communication systems for scalable public address solutions.
It is part of Grandstream’s GSC intercom and paging range and is typically used alongside SIP phones, PBX systems, and GDS access control devices to provide automated announcements, alerts, and emergency messaging.
The GSC3505 provides a cost-effective SIP-based public address solution, allowing organisations to broadcast announcements or alerts instantly across a network.
It supports SIP paging and multicast paging, making it easy to scale across multiple zones or buildings without complex wiring.
With built-in wireless options and PoE support, it can be deployed flexibly in both new and existing infrastructure.