Speak with visitors
Built-in microphone and speaker provide two-way HD audio through compatible SIP endpoints.
Not sure what you need?
Read our complete guide.
Not sure what you need?
Read our complete guide.
Grandstream • SKU GDS3702
A single-button SIP audio door intercom with HD two-way voice, PoE, electric-lock relays, alarm inputs and a weatherproof vandal-resistant metal enclosure.

The GDS3702 provides voice-based visitor communication and remote door control for buildings of different sizes. It can place SIP calls to compatible endpoints, operate electric locks through its relays and integrate exit buttons, door sensors and alarm systems.
Quick answer: Choose GDS3702 when the entrance needs audio intercom and access control without a video camera or RFID reader. Confirm lock voltage, relay design, SIP endpoints, PoE, cabling, weather exposure and Australian installation requirements.
Built-in microphone and speaker provide two-way HD audio through compatible SIP endpoints.
Two relays and two alarm inputs support designed lock, exit-button, door-sensor and alarm workflows.
The metal IP66 enclosure is designed to resist weather and vandalism in suitable installations.
A quick fit check for Australian businesses comparing equipment for users, rooms, sites or wider projects.
| Exact model | Grandstream GDS3702 |
|---|---|
| Product type | Single-button HD audio IP intercom |
| Audio reach | Up to 1.5 m input and 3 m output |
| Access I/O | 2 relays and 2 alarm inputs |
| Enclosure | IP66 weatherproof, vandal-resistant metal casing |
| Network / power | SIP over Ethernet with integrated PoE |
No. It is a single-button HD audio intercom; choose a compatible video door model if video is required.
Yes. It supports SIP calls to compatible IP phones and endpoints.
Yes, through a correctly designed relay and lock system installed to suit the door hardware.
It provides two relays and two alarm inputs for supported access and security workflows.
The supplied exact listing describes an IP66 weatherproof, vandal-resistant metal enclosure.
Yes. Integrated PoE carries network connectivity and compatible power over Ethernet.
Yes. Lock wiring, weather sealing, PoE, mounting and safety requirements should be checked by a qualified installer.
Yes. Provide door hardware, SIP platform, monitoring points, sites and required quantities.
Give visitors a clear action for contacting the configured destination.
Communicate through the built-in microphone and speaker.
Control compatible lock and alarm-output circuits in a designed installation.
Connect supported exit buttons and door sensors.
Use one compatible Ethernet cable for data and power.
Install the vandal-resistant metal unit in suitable exposed entrances.
Best for: office, school, healthcare, apartment and warehouse entrances requiring audio intercom and remote door control.
| DigiPhone SKU | GDS3702 |
|---|---|
| Product type | Single-button HD audio IP intercom |
| Audio | Built-in microphone and speaker; 2-way HD audio |
| Audio range | Up to 1.5 m input / 3 m output |
| SIP | Calls to compatible SIP endpoints |
| Relays | 2 for electric lock / alarm output |
| Alarm inputs | 2 for exit button / door sensor |
| Enclosure | Metal, IP66 weatherproof and vandal resistant |
| Management | Grandstream GDS Manager support |
| Power | Integrated PoE |
| Camera / RFID | Not included |
| Warranty | 1-year Grandstream manufacturer warranty |
Compatibility note: Confirm SIP endpoints, lock/relay electrical design, alarm I/O, PoE, cabling, mounting and installer requirements.
| SKU | GDS3702 |
| Barcode # | 6947273703785 |
| Brand | GRANDSTREAM |
| Shipping Weight | 1.3000kg |
This DigiPhone listing is supplied as an Australian version and is covered by a one-year Grandstream manufacturer warranty in Australia, subject to the manufacturers terms for this exact product. Warranty service is subject to the manufacturers terms and proof-of-purchase requirements.
Your rights under this warranty are in addition to rights available under the Australian Consumer Law. Keep your DigiPhone invoice and product serial number for any claim.
Bulk and project support: For fleet deployments, spare units or warranty planning, contact DigiPhone with the SKU and required quantity.
Grandstream • SKU GDS3702
A single-button SIP audio door intercom with HD two-way voice, PoE, electric-lock relays, alarm inputs and a weatherproof vandal-resistant metal enclosure.

The GDS3702 provides voice-based visitor communication and remote door control for buildings of different sizes. It can place SIP calls to compatible endpoints, operate electric locks through its relays and integrate exit buttons, door sensors and alarm systems.
Quick answer: Choose GDS3702 when the entrance needs audio intercom and access control without a video camera or RFID reader. Confirm lock voltage, relay design, SIP endpoints, PoE, cabling, weather exposure and Australian installation requirements.
Built-in microphone and speaker provide two-way HD audio through compatible SIP endpoints.
Two relays and two alarm inputs support designed lock, exit-button, door-sensor and alarm workflows.
The metal IP66 enclosure is designed to resist weather and vandalism in suitable installations.
A quick fit check for Australian businesses comparing equipment for users, rooms, sites or wider projects.
| Exact model | Grandstream GDS3702 |
|---|---|
| Product type | Single-button HD audio IP intercom |
| Audio reach | Up to 1.5 m input and 3 m output |
| Access I/O | 2 relays and 2 alarm inputs |
| Enclosure | IP66 weatherproof, vandal-resistant metal casing |
| Network / power | SIP over Ethernet with integrated PoE |
No. It is a single-button HD audio intercom; choose a compatible video door model if video is required.
Yes. It supports SIP calls to compatible IP phones and endpoints.
Yes, through a correctly designed relay and lock system installed to suit the door hardware.
It provides two relays and two alarm inputs for supported access and security workflows.
The supplied exact listing describes an IP66 weatherproof, vandal-resistant metal enclosure.
Yes. Integrated PoE carries network connectivity and compatible power over Ethernet.
Yes. Lock wiring, weather sealing, PoE, mounting and safety requirements should be checked by a qualified installer.
Yes. Provide door hardware, SIP platform, monitoring points, sites and required quantities.
This DigiPhone listing is supplied as an Australian version and is covered by a one-year Grandstream manufacturer warranty in Australia, subject to the manufacturers terms for this exact product. Warranty service is subject to the manufacturers terms and proof-of-purchase requirements.
Your rights under this warranty are in addition to rights available under the Australian Consumer Law. Keep your DigiPhone invoice and product serial number for any claim.
Bulk and project support: For fleet deployments, spare units or warranty planning, contact DigiPhone with the SKU and required quantity.
Give visitors a clear action for contacting the configured destination.
Communicate through the built-in microphone and speaker.
Control compatible lock and alarm-output circuits in a designed installation.
Connect supported exit buttons and door sensors.
Use one compatible Ethernet cable for data and power.
Install the vandal-resistant metal unit in suitable exposed entrances.
Best for: office, school, healthcare, apartment and warehouse entrances requiring audio intercom and remote door control.
| DigiPhone SKU | GDS3702 |
|---|---|
| Product type | Single-button HD audio IP intercom |
| Audio | Built-in microphone and speaker; 2-way HD audio |
| Audio range | Up to 1.5 m input / 3 m output |
| SIP | Calls to compatible SIP endpoints |
| Relays | 2 for electric lock / alarm output |
| Alarm inputs | 2 for exit button / door sensor |
| Enclosure | Metal, IP66 weatherproof and vandal resistant |
| Management | Grandstream GDS Manager support |
| Power | Integrated PoE |
| Camera / RFID | Not included |
| Warranty | 1-year Grandstream manufacturer warranty |
Compatibility note: Confirm SIP endpoints, lock/relay electrical design, alarm I/O, PoE, cabling, mounting and installer requirements.
| SKU | GDS3702 |
| Barcode # | 6947273703785 |
| Brand | GRANDSTREAM |
| Shipping Weight | 1.3000kg |
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