# Intercom System Accessory Grandstream Networks GSC3505

**URL:** https://aio.lv/en/product--grandstream-gsc3505--3520368
**Data updated:** 2025-12-29 10:59 (EET)
**Category:** Conference Equipment
**Manufacturer:** Grandstream
**Manufacturer code:** GSC3505
**EAN:** 6947273702894
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 175.99 €
**Prices and availability valid until:** 2026-08-29 23:59
**Price without VAT (21%):** 145.45 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--grandstream-gsc3505--3520368

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 13.08.2026 | free |
| Pickup points | 18.08.2026 | 1.79 EUR |
| Courier delivery to door | 18.08.2026 | 4.99 EUR |

## Summary description

The Grandstream Networks GSC3505 is a versatile intercom system accessory designed for seamless integration with Grandstream products. It features a sleek white design, ensuring it fits well in any environment. This accessory enhances communication capabilities, providing clear audio and reliable performance. Ideal for both residential and commercial use, it comes in a pack of one, making it easy to add to your existing setup.

## Long description

The Grandstream Networks GSC3505 is a SIP speaker accessory designed to integrate with Grandstream communication and access devices. It features an 8-watt high-fidelity HD speaker, integrated dual-band Wi‑Fi, Bluetooth support, and call control lists (whitelist and blacklist). The unit is supplied in white and intended for use in residential or commercial environments to expand paging, public address and intercom capabilities when paired with compatible Grandstream products.
Advantages
The GSC3505 delivers clear HD audio from its 8-Watt speaker and supports multicast paging and SIP-based announcements. Integrated dual-band Wi‑Fi and Bluetooth provide flexible connectivity options, while built-in whitelist and blacklist features allow easy call filtering. Its compact white design enables unobtrusive installation in various settings and straightforward integration with Grandstream phones, facility access devices and other VoIP equipment.
Suitable for
Multicast paging in offices, schools and retail spaces
Public address and announcements in residential complexes and commercial buildings
Integration with Grandstream IP phones and GDS access control systems
Areas requiring Wi‑Fi or Bluetooth-enabled SIP speaker connectivity
Key specifications
Model: Grandstream GSC3505 (MPN: GSC3505)
Audio output: 8 Watt high-fidelity HD speaker
Connectivity: SIP, multicast paging, Bluetooth, dual-band Wi‑Fi
Call control: Built-in whitelist and blacklist support
Colour: White
How to use
Install the GSC3505 in the desired location and connect it to the local network via Wi‑Fi or an appropriate wired gateway. Register the device to your SIP server or Grandstream system following the manufacturer’s provisioning procedures. Pair Bluetooth devices if needed and configure multicast paging or SIP paging settings from your PBX or Grandstream management interface. Use the whitelist and blacklist settings to control incoming call permissions.
Usage recommendations
Place the speaker where sound can propagate freely for optimal coverage, avoid obstructing the speaker grille, and ensure the device firmware and SIP configuration are kept up to date for reliable paging and security integration.

## Specifications

| Feature | Value |
|---|---|
| Brand compatibility | Grandstream Networks |

### Logistics data

| Feature | Value |
|---|---|
| Quantity per pack | 1 pc(s) |

### Features

| Feature | Value |
|---|---|
| Product colour | White |

## FAQ

### How much does the Intercom System Accessory Grandstream Networks GSC3505 cost, and is it available for purchase?

The price is 175.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 1 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 13.08.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

### Can Intercom System Accessory Grandstream Networks GSC3505 be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All Grandstream products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Grandstream service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/3520368/65784583_large.webp