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Grandstream Networks GSC3516 User Manual
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Grandstream Networks GSC3516 User Manual

Grandstream Networks GSC3516 User Manual

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GSC3516/GSC3506 (V2) - User Manual
WELCOME
The GSC3516 is a SIP intercom speaker and microphone that allows offices, schools, hospitals, apartments, and more to build
powerful voice intercom solutions that expand security and communication. This robust SIP intercom device offers 2-way
voice functionality with both a high fidelity 15W HD speaker and 3 directional microphones with Multichannel Microphone
Array Design (MMAD) and 1 omnidirectional auxiliary microphone that offers a 4.2-meter pickup distance. The GSC3516
supports a wide range of peripherals including Bluetooth devices, a built-in allowlist, and blocklists to block unwanted calls
easily, integrated dual-band Wi-Fi, and advanced acoustic echo cancellation. By pairing the GSC3516 with other Grandstream
devices, including desktop and cordless IP phones as well as the GDS series of Facility Access products, users can easily sculpt
a state-of-the-art security and voice intercom solution. Thanks to its modern industrial design, a cleanable exterior surface,
and rich features, the GSC3516 is the ideal intercom speaker/microphone for any setting.
The GSC3506 and GSC3506 V2 are 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 and GSC3506 V2
support built-in allowlists, blocklists, and greylists to easily block unwanted calls, SIP and multicast paging, group paging, and
Push-to-Talk. users can easily sculpt a state-of-the-art security and PA announcement solution. Thanks to their modern
industrial design and rich features, the GSC3506 and GSC3506 V2 are the ideal SIP speakers for any setting.
PRODUCT OVERVIEW
Feature Highlights
The following table contains the major features of the GSC3516/GSC3506 (V2):
GSC3516
GSC3506
GSC3506 V2
● Up to 16 SIP accounts.
● Ethernet RJ45 10/100Mbps, PoE/PoE+, Integrated Bluetooth, Wi-Fi.
● 2-way voice functionality with both a high-fidelity 15W HD speaker and
3 directional microphones with Multichannel Microphone Array Design
(MMAD) and 1 omnidirectional auxiliary microphone that offer a 4.2
meter pickup distance
● Up to 16 SIP accounts.
● Ethernet RJ45 10/100Mbps, PoE/PoE+
● 1-way public address SIP speaker with crystal clear HD audio
functionality with a high-fidelity 30-Watt HD speaker.
● 2-Pin port enabling  Alarm configuration
● USB Plug support 
● Up to 16 SIP accounts.
● Ethernet RJ45 10/100Mbps, PoE/PoE+/PoE++
● 1-way public address SIP speaker with crystal clear HD audio
functionality with a high-fidelity 30-Watt HD speaker.
● 2-Pin Switch-in input port
● 2-Pin Alarm-in input port
● Differential line out port
● USB Plug support 
GSC3516/GSC3506/GSC3506 V2 Features in a Glance

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Summary of Contents for Grandstream Networks GSC3516

  • Page 1 GSC3516/GSC3506 (V2) - User Manual WELCOME The GSC3516 is a SIP intercom speaker and microphone that allows offices, schools, hospitals, apartments, and more to build powerful voice intercom solutions that expand security and communication. This robust SIP intercom device offers 2-way voice functionality with both a high fidelity 15W HD speaker and 3 directional microphones with Multichannel Microphone Array Design (MMAD) and 1 omnidirectional auxiliary microphone that offers a 4.2-meter pickup distance.
  • Page 2 GSC3516 Technical Specifications The following table resumes all the technical specifications including the protocols/standards supported, voice codecs, telephony features, languages, and upgrade/provisioning settings for GSC3516. SIP RFC3261, TCP/IP/UDP, RTP/RTCP, RTCP-XR,HTTP/HTTPS, ARP, ICMP, DNS (A record, SRV, Protocols/Standards NAPTR), DHCP, PPPoE, SSH, TFTP, NTP, STUN, LLDP-MED, SIMPLE, LDAP,TR-069, 802.1x, TLS, SRTP, IPv6, OpenVPN®...
  • Page 3 ● GSC3516 SIP Intercom Speaker/Microphone Package Content ● Mounting kits ● Quick installation guide Physical ● Unit Dimensions: 257mm (diameter) x 68.5mm (depth). Specifications ● Unit Weight: 0.92kg , Box Weight: 1.75kg. ● FCC: FCC 47 CFR Part 15 Subpart B;FCC 47 CFR Part 15 Subpart C;FCC 47 CFR Part 15 Subpart E.
  • Page 4 User and administrator level passwords, MD5 and MD5-sess based authentication, 256-bit AES Security encrypted configuration file, TLS, SRTP, HTTPS, 802.1x media access control,secure boot Multi-language English, German, French, Spanish, Portuguese, Russian & Chinese Firmware upgrade via TFTP / HTTP / HTTPS or local HTTP upload, mass provisioning using Upgrade/Provisioning GDMS/TR069 or AES encrypted XML configuration file Power &...

  • Page 5: Getting Started

    ● RCM: AS/NZS CISPR 32:AS/NZS 62368.1 GSC3506 V2 Technical Specifications GETTING STARTED This chapter provides basic installation instructions including the list of the packaging contents and also information for obtaining the best performance with the GSC3516/GSC3506/GSC3506 V2. Equipment Packaging GSC3516...
  • Page 6 GSC3516 Package Content 1x GSC3516 Main Case. 1x Metal Bracket 1x Plastic Bracket Hang rope plate 4x Screw (PM 3x50) 3x Screw (PA 3.5x20) Wiring Seat 3x Plastic Expansion Bolt 3x M3 NUT 1x Quick Installation Guide Equipment Packaging Note Check the package before installation.
  • Page 7 NET/PoE Ethernet RJ45 port (10/100Mbps) supporting PoE/PoE+. Factory reset pinhole. RESET Press for 10 seconds to reset factory default settings. Ports Description GSC3506 GSC3506 Package Content 1x GSC3506  1x Mounting Hole Cut-Out Template 1x Quick Installation Guide GSC3506 Ports and buttons GSC3506 Ports and Buttons USB Port USB2.0, External USB Storage.
  • Page 8 Volume Sound Volume buttons. GSC3506 V2 GSC3506 V2 Package Content 1x GSC3506 V2 1x Mounting Hole Cut-Out Template 1x Quick Installation Guide 1x Ceiling Bracket (optional and sold separately) 8x (M4) Screws  (optional and sold separately) GSC3506 V2 Ports and buttons GSC3506 V2 Ports and Buttons Label Description...

  • Page 9: Led Indicators

    LED Indicators The GSC3516/GSC3506 (V2) contains 4 types of colored LEDs (Red, Green, White and Blue light) that are used in some specific situations and operations. Please, refer to the following table describing each one of the LED Indicators’ statuses:...

  • Page 10: Hardware Installation

    Hardware Installation GSC3516 Hardware installation GSC3516 can be mounted on the wall or ceiling. Please refer to the following steps for the appropriate installation : Wall Mount 1. Locate the equipment holder in the desired position with the arrow up. Drill three holes on the wall referring to the positions of holes on the metal bracket.

  • Page 11: Boom Mount

    GSC3506 Hardware installation GSC3506 can be mounted on the ceiling or the Boom. Please refer to the following steps for the appropriate installation. Ceiling Mount 1. Drill a round hole with a diameter of 230mm or use the Mounting Hole Cut-Out Template. 2.
  • Page 12 GSC3506 V2 Boom Mount Powering and Connecting GSC3516 The GSC3516 can be powered on using PoE/PoE+ switch or PoE injector using the following steps: Step 1: Plug an RJ45 Ethernet cable into the network port of the GSC3516. Step 2: Plug the other end into the power over Ethernet (PoE) switch or PoE injector.
  • Page 13 Connecting Wiring Seat for GSC3516 GSC3516 support to connect a “Key & LED” or “Normal Key” to the 2-pin port via Wiring Seat using the following steps: Step 1: Take the wiring seat from the install kits. Step 2: Connect the “Key & LED” or “Normal Key” with the wiring seat (as shown in the figure below) Note: This port supports the parallel connection of an incandescent lamp (with less than 1W) or an LED lamp (with less than 100mA).
  • Page 14 Step 2: Connect the Normal Key with the wiring seat (as shown in the illustration below). Connecting Wiring seat Powering and Connecting GSC3506 V2 GSC3506 V2 can be powered on using PoE/PoE+/ PoE++ switch or connecting the 2-Pin 24V Power Supply cable. Using PoE Switch Step 1: Plug a RJ45 Ethernet cable into the network port of the GSC3506 V2.
  • Page 15 To connect GSC3506 V2 to the local network, RJ45 Ethernet cable needs to be connected too. Access GSC3516/GSC3506 (V2) Web GUI The GSC3516/GSC3506/GSC3506 V2 embedded Web server responds to HTTP/HTTPS GET/POST requests. Embedded HTML pages allow users to configure the application phone through a Web browser such as Microsoft’s IE, Mozilla Firefox, Google Chrome and etc.
  • Page 16 GSC3516/GSC3506 (V2) APPLICATION SCENARIOS GSC3516 SIP Multicom Intercom System GSC3516 can be used as an Intercom System using built-in SIP accounts, once the SIP account is registered the device can receive paging/intercom calls and it will automatically answer calls coming from allowed numbers.
  • Page 17 GSC3516/GSC3506/GSC3506 V2. Greylist Calls As soon as a SIP call is received by the GSC3516/GSC3506/GSC3506 V2, it first checks if the Caller ID number is allowed on the Allowlist and then answers automatically.
  • Page 18 Multicast Paging – Paging Priority Active In the case of receiving a multicast paging call while on a unicast SIP call, the GSC3516/GSC3506/GSC3506 V2 can choose to either keep the SIP call or hold this last and allow the multicast call depending on the paging call priority.

  • Page 19: Bluetooth Speaker

    The bluetooth feature is available only on the GSC3516 Speaker model. The GSC3516 can be used as a Bluetooth speaker for another device and it needs to be connected via Bluetooth to that device. Users need to turn on GSC3516’s Bluetooth function first. The first time when using a new Bluetooth device with the GSC3516, “pair”...
  • Page 20 2. Enable the “Bluetooth” function, and enable the option “Discoverable to Nearby Bluetooth Devices” in order to make the GSC3516 visible. 3. Go to your Device’s Bluetooth settings in order to search for visible devices. The GSC3516 is going to be listed within the visible devices with the “Device Name” configured on the Web GUI.
  • Page 21 Time and Frequency options. Play Audio: If checked, GSC3516 will play a sound when the switch is triggered during the schedule. Users can select a “Prompt Tone” from available tones or upload a customized tone.
  • Page 22 Note Up to 7 different Alarm Schedule/Linkage function can be configured in the GSC3516, the list of schedules and linkage functions will be shown in the lower section of the page, users can edit or delete the Alarm schedule by clicking on Edit or Delete buttons...

  • Page 23: Account Status

    GSC3516/GSC3506 (V2) WEB GUI SETTINGS The GSC3516/GSC3506 (V2) embedded Web server responds to HTTP/HTTPS GET/POST requests. Embedded HTML pages allow users to configure the application phone through a Web browser such as Microsoft’s IE, Mozilla, Firefox, Google Chrome and etc.
  • Page 24 IPv6 DUID of the device. IPv6 NAT Type Type of IPv6 NAT connection used by the device. Status – Network Status – Ethernet page Network Status → Wi-Fi ( Available only on GSC3516 ) WLAN MAC Address Device WLAN MAC Address SSID...

  • Page 25: System Info

    Status – Network Status – DNS & NAT page System Info System Info → Information Product Model Product model of the device: GSC3516, GSC3506 or GSC3506 V2. Part Number Product part number Software Version Boot Specifies Boot version...
  • Page 26 OpenVPN® Support Indicates the support of OpenVPN® (Yes) System Info – Status page Account Page Definitions GSC3516/GSC3506 (V2) has 16 independent SIP accounts. Each SIP account has an individual configuration page. Accounts/General Settings Account Register Account Active Indicates whether the account is active. 1st account active by default.
  • Page 27 primary outbound proxy fails. Configures user account information provided by your VoIP service provider (ITSP). It’s SIP User ID usually in the form of digits similar to phone number or actually a phone number. Configures the SIP service subscriber’s Authenticate ID used for authentication. It can be SIP Authentication ID identical to or different from the SIP User ID.
  • Page 28 Adds the Proxy-Required header in the SIP message. It is used to indicate proxy-sensitive Proxy-Require features that must be supported by the proxy. Do not configure this parameter unless this feature is supported on the SIP server. Accounts – General Settings page Accounts/SIP Settings Basic Settings Allows the device to send SIP REGISTER messages to the proxy/server.
  • Page 29 Controls whether the P-Preferred-Identity header will present in the SIP INVITE message or not, whether the header contains the caller info: Use P-Preferred-Identity Header ● If set to “Yes”, the P-Preferred-Identity Header will always show in INVITE ● If set to “No”, the P-Preferred-Identity Header will not show in INVITE If set to "Yes except REGISTER", all outgoing SIP messages will include the device's MAC address in the User-Agent header, except for REGISTER and UNREGISTER.
  • Page 30 Allows the device to use the session timer, when set to “Yes”, it will be added in the SIP Enable Session Timer INVITE message to notify the server. Configures the device’s SIP session timer. It enables SIP sessions to be periodically “refreshed”...
  • Page 31 Sets the iLBC (Internet Low Bitrate Codec) frame size if ILBC is used. Users can select it from 20ms iLBC Frame Size or 30ms. The default setting is 30ms. G.726-32 Packing Mode Selects "ITU" or "IETF" for G.726-32 packing mode. G.726-32 Dynamic Specifies the G726-32 payload type, and the valid range is 96 to 127.
  • Page 32 RTCP Destination Configures a remote server URI where RTCP messages will be sent to during an active call. Configures the RTCP channel keep-alive packet type: ● If set to "Receiver Report", the RTCP channel will sends "receiver report+source RTCP Keep-Alive description+RTCP extension"...
  • Page 33 If enabled, the phone will mute the mirophone after answer an intercom call via Call-Info/Alert- Mute on Intercom Answer Info. Default is "Disabled" Defines the expiration timer (in seconds) for the rings with no answer. The default setting is Ring Timeout 60 .
  • Page 34 Note: In some cases, where the user wishes to dial strings such as *123 to activate voice mail or other applications provided by their service provider, the * should be predefined inside the dial plan feature. An example dial plan will be: {*x+} which allows the user to dial * followed by any length of numbers.

  • Page 35: Outgoing Calls

    Outgoing Calls The GSC3516/GSC3506 (V2) allows users to manage their calls using the Click to Dial feature which permits to initiate and receive calls using the Web GUI. To use the Click to Dial feature, please refer the following steps: 1.
  • Page 36 Click-to-Dial Feature Once the number / IP address is dialed or a Call is received, a window pops up showing the call information and gives the user the ability to do the following operations: Outgoing Call – Calling Outgoing call in progress and accepted...

  • Page 37: Call History

    Delete Call History: Users need to press the button after selecting the call history entries. Add entries to Allowlist: Users may select the entries to be allowed to call the GSC3516/GSC3506 (V2) by clicking on the button after selecting the right entries.
  • Page 38 Add number to an existing contact: Users can click on “Save to local contacts” in order to show a window with all the contacts already registered in the GSC3516 local contacts and to choose one of the contacts to link the selected number...
  • Page 39 Delete Blocked Numbers Call History: Users need to press the button after selecting the call history entries. Add entries to Allowlist: Users may select the blocked entries to give them permission to call the GSC3516 by clicking on the button after selecting the right entries.

  • Page 40: Group Management

    Edit contact details. : Users can select one or a bench of contacts and click on the “Delete” button in order to delete all the selected contacts. : Users can select one or a bunch of contacts and click on the “Add to Allowlist” button in order to directly add the selected contacts to the list of contacts allowed to call the device.

  • Page 41: Phonebook Management

    Add New Group Phonebook Management Enable Phonebook XML Enables Phonebook XML download via HTTP, HTTPS, or TFTP. Default is "Disabled" Download HTTP/HTTPS Username Enter The username for the HTTP/HTTPS server. HTTP/HTTPS Password Enter The password for the HTTP/HTTPS server. Configures the server path to download XML phonebook file. This field could be IP address Phonebook XML Server Path or URL, with up to 256 characters.
  • Page 42 GSC3516/GSC3506 (V2), this can be managed under the following three subsections. Allowlist Users can specify the numbers allowed to call the GSC3516/GSC3506 (V2) and every time a number is added it is listed in the below list: Allowlist section : Users can remove one or a group of numbers from the allowed list by clicking on the “Remove...

  • Page 43: Block List

    Users can modify the name of the number listed in the Allowlist by clicking on Blocklist Users can specify the numbers to be blocked by the GSC3516/GSC3506 (V2) for incoming calls, and every time a number is added to the blocklist, it is listed in the below list: Blocklist Section : Users can remove one or a group of numbers from the blocklist by clicking on the “Remove from...
  • Page 44 • Block: Configures the GSC3516/GSC3506 (V2) to block all the numbers that are not listed in the Allowlist. • Auto Answer: Configures the GSC3516/GSC3506 (V2) to allow all the calls received from any number but the number listed in the blocklist.
  • Page 45 Allows users to choose which actions will be taken in case the number calling doesn't belong to the allowlist. The range for this parameter is 0 to 3. The values correspond to the following P22209 Greylist actions: ● 0 - Block. (Default setting) ●...

  • Page 46: Phone Settings/General Settings

    4. Click on Save and choose whether to apply the template to all models or select specific devices. Saved Successfully Prompt 5. Under VoIP Device, the GSC35GSC3516/GSC3506 (V2) will start provisioning. GSC3516 Provisioning 6. Once the configuration template has been successfully pushed to the device, the blocklist, allowlist, and greylist will appear as follows:...

  • Page 47: Call Settings

    Configures the range of local RTP port. Valid value is from 24 to 10000. Local RTP Port Range Default is “200” Forces the device to use random ports for both SIP and RTP messages. This is usually necessary when multiple phones are behind the same full cone NAT. The default setting is “No”. Use Random Port Note: This parameter must be set to “No”...
  • Page 48 Sets the characters for filter when dial out numbers. Users could set up multiple Filter Characters characters. For example, if set to “[()-]”, when dial (0571)-8800-8888, the character “()-“ will be automatically filtered and dial 057188008888 directly Do Not Escape ‘#’ as %23 in SIP URI Replaces # by %23 for some special situations.
  • Page 49 Sets the threshold of paging calls. If the paging call’s priority is higher than the threshold, the existing call will be hold and the paging call will be answered. Otherwise, the existing Paging Barge call does not be affected. If it is set to Disable (Default), any paging call will not be answered.

  • Page 50: Ethernet Settings

    Configures priority paging group. Paging received on priority group will take precedence Priority Group overactive paging on normal group. Set emergency group for paging. Emergency group has the highest priority. Paging using Emergency Group emergency group will take precedence over paging on priority or normal group. Configures whether to accept paging while device is in active call.
  • Page 51 Service Providers. Vendor Class ID Configures the vendor class ID header in the DHCP request. (Option 60) Default setting is “Grandstream GSC3516” or “Grandstream GSC3516”. DNS Server 1 Configures the primary DNS IP address. DNS Server 2 Configures the secondary DNS IP address.
  • Page 52 The Wi-Fi is supported only on the GSC3516 Speaker Model Connect to Wi-Fi Network Users can connect wirelessly to a network using Wi-Fi under GSC3516 Web GUI → Network Settings → Wi-Fi Settings. In order to connect to a network using Wi-Fi, please, refer to the following steps: 1 –...
  • Page 53 Wi-Fi Settings Page 4 – Identify the Wi-Fi network’s SSID and click on “Connect”, then enter the correct password information to connect to the selected network: Connect to Wi-Fi Network 5. Users can check the Wi-Fi parameters and change the setting by checking the “advanced” at the bottom.
  • Page 54 Wi-Fi – Advanced Wi-Fi Settings description Wi-Fi Enables/disables the Wi-Fi feature. Functio The default setting is "Disable". Configures the Wi-Fi frequency band from the dropdown list: Wi-Fi ● 2.4G Band ● 5G ● Dual band (2.4 G & 5G) Configures Wi-Fi country code. The default value is "United States of America". Countr y Code Note: Reboot is requested to take effect.
  • Page 55 Identity Defines the Identity information for the 802.1x mode. Bluetooth Note The Bluetooth feature is available only on the GSC3516 Speaker Model Bluetooth Enable or Disable Bluetooth Discoverable to Nearby Bluetooth Enable to be discoverable via Bluetooth by nearby devices.
  • Page 56 Lists paired devices. Paired devices Press to unpair/remove the device from the list. Network Settings – Bluetooth Airplay&Miracast Users can transmit sound to GSC35x6 from devices by using Miracast (Windows, Linux, Android) or Airplay (macOS, iOS). Note: Please make sure that Wi-Fi is enabled on GSC35x6 as well as the device used to share audio. Below is an example of casting audio from a Windows desktop to GSC35x6: 1.

  • Page 57: Openvpn® Settings

    Windows Sound Setting OpenVPN® Settings Enable/Disable the OpenVPN® feature. Defaut setting is "Disabled" OpenVPN® Enable Manual Import Import the configuration file from the current computer. After importing, the local Import OpenVPN® Configuration configuration will be overwritten and OpenVPN® function is automatically enabled. Note: Please import *.ovpn file Local Configuration OpenVPN®...

  • Page 58: Advanced Settings

    OpenVPN® Password OpenVPN® authentication password (optional). Configures enable/disable the LZO compression. When the LZO Compression is OpenVPN® Comp-lzo enabled on the OpenVPN server, you must turn on it at the same time. Otherwise, the network will be abnormal. Default value is YES . Additional options to be appended to the OpenVPN®...

  • Page 59: Time Settings

    Sets the user-agent for SIP. Default is: SIP User-Agent Grandstream GSC3516 $version Proxy Specifies the HTTP proxy URL for the phone to send packets to. The proxy server will act as an HTTP Proxy intermediary to route the packets to the destination Specifies the HTTPS proxy URL for the phone to send packets to.
  • Page 60 Web/SSH Access Enable SSH Enables/disables SSH access to the device. The default setting is “Yes”. SSH Port Customizes the SSH port. By default, SSH uses port 22. HTTP Web Port Configures the HTTP port under the HTTP web access mode. HTTPS Web Port Configures the HTTPS port under the HTTPS web access mode.
  • Page 61 Defines the function for weak TLS cipher suites: ● If set to "Enable Weak TLS Cipher Suites", allow users to encypt data by weak TLS cipher suites Enable Weak TLS ● If set to "Disable Symmetric Encryption RC4/DES/3DES", allow users to disable weak cipher Cipher Suites DES/3DES and RC4.

  • Page 62: Sensor Settings

    Sets the device to enable the “CPE WAN Management Protocol” (TR-069). The default setting is “No”. Enable TR-069 Note: Reboot the device to make changes take effect. ACS URL Specifies URL of TR-069 ACS (e.g, http://acs.test.com), or IP address. ACS Username Enters username to authenticate to ACS.
  • Page 63 Set the activation frequency from Monday to Sunday, which can be selected from the whole week. Frequency The default value is not selected. Play Audio Play a sound when the switch is triggered during the scheduled time. When the “voice prompt” is selected, you can upload the customized audio by clicking on “Upload” Prompt Tone and choose the file.
  • Page 64 Backup/Restore Maintenance Page Definitions Upgrade and Provisioning Upgrade and Provisioning/Firmware Upgrade via Manually Upload Upload Firmware File to Allows users to load the local firmware to the device to update the firmware. Update Upgrade via Network Configures firmware upgrade method as TFTP, HTTP, HTTPS, FTP or FTPS. Default is HTTP Firmware Upgrade via Sets IP address or domain name of firmware server.
  • Page 65 Download Device Configuration Click to download the device configuration file in .txt format. Upload Device Configuration Upload config file to the phone. Configure via Network Configures the config upgrade method as TFTP, HTTP, HTTPS, FTP or FTPS. Default Config Upgrade via is HTTPS Sets IP address or domain name of configuration server.
  • Page 66 DHCP Option ● If set to "Yes" on the LAN side, the phone will reset the CPE, upgrade, network VLAN tag and priority configuration according to option 43 sent by the server. At the same time, the upgrade mode and server path of the configuration upgrade mode will be reset according to Allow DHCP Option 43 and option 66 sent by the server Option 66 to Override...

  • Page 67: System Diagnosis

    Set to allow access to the AutoConfig service. If not checked, access to Allow AutoConfig Service Access service.ipvideotalk.com will be disabled. The default value is “Enabled”. Resets the device to the default factory setting mode by clicking on "Start Factory Reset button".

  • Page 68: Event Notification

    Note: Click on "Start", then the Access Address and Expiration Time will be shown below. System Diagnostics page Event Notification Set the URL for events on the phone web GUI, and when the corresponding event occurs on the device, the device will send the configured URL to the SIP server.
  • Page 69 ● Local Music: choose locally from your computer the music to play. ● Online Music: Stream online music from the web or from a 3rd party desktop music streaming software. Supports RTSP stream address to obtain audio RTSP stream address Ex : (rtsp://[IP]:[port]/[audio file name]), supporting MP3 and TS formats.

  • Page 70: Audio Loop Test

    Audio Loop Test An audio loop test is used to test the MICs. Each one of the MICs is tested separately. Note The following feature is available on the GSC3516 only Diagnostic – Audio Loop Test Built-in Speaker Test Built-in Speaker Test is used to test the devices by playing a piece of music in order to verify the sound quality.
  • Page 71 The volume Key test is available only on the GSC3506 and GSC3506 V2 Speaker Model GSC3506 Volume Test LED Test The LED Test is used to test the availability of the four colored LEDs and their intensity. The colors of LEDs available are Green, Red, Blue, and White. GSC3516 LED Test...
  • Page 72 Reset Button Test Reset Button Test is used to test the Reset button, during the test the reset button doesn’t trigger a factory reset, this feature allows the user to check if the button is responding. GSC3516 Reset Button Test...

  • Page 73: Sensor Detection

    GSC3506 Reset Button Test Sensor Detection Click on “Start Testing” to start the testing for the 2-PIN Port. Sensor Detection for the GSC3516 Sensor Detection for the GSC3506 Alarm in Test Note This Test feature is available only on the GSC3506 and GSC3506 V2 Speaker Model Click on “Start Testing”...

  • Page 74: Factory Reset

    To perform a factory reset via the Web GUI, Navigate to Diagnostic → Factory Reset, click on the “Factory Reset” button then click on “OK” to confirm the factory reset. Factory reset via web GUI for GSC3516/GSC3506 (V2) EXPERIENCING THE GSC3516/GSC3506 (V2) Please visit our website: https://www.grandstream.com...

  • Page 75: Change Log

    This section documents significant changes from previous versions of the user manual for the GSC35XX Series. Only major new features or major document updates are listed here. Minor updates for corrections or editing are not documented here. Firmware Version 1.0.5.20 Product name: GSC3506, GSC3506 V2, GSC3516 No major changes. Firmware Version 1.0.5.15 Product name: GSC3506, GSC3506 V2, GSC3516 Added support for Apple AirPlay and Miracast.
  • Page 76 Remove the start and end of multicast tones. [Multicast] Firmware Version 1.0.1.29 Product name: GSC3516 This is the initial version. Firmware Version 1.0.1.13 Product name: GSC3506 This is the initial version. Need Support? Can’t find the answer you’re looking for? Don’t worry we’re here to help!

This manual is also suitable for:

Gsc3506Gsc3506 v2