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Intercom & Paging

Intercom and paging systems support visitor entry, internal communication, and facility-wide announcements. Choose the right stations, accessories, mounts, and paging components for reliable commercial deployments.

Plan Your Deployment

Entry points and call flow requirements
Indoor vs outdoor station placement and protection
Mounting, back boxes, and cable routing considerations
Network and power requirements (PoE vs local power)
Audio coverage needs for paging zones

Buying Guide Get Recommendations Deployment Support

Sub categories

Intercom Accessories

90 items

Intercom Microphones

0 item

Intercom Mounts

69 items

Intercoms & Door Stations

832 items

IP Phones

8 items

Paging & Speaker Accessories

33 items

Paging & Speakers

331 items

Phone Adapters

1 item

Speakers & Audio

38 items

Showing Results for Intercom & Paging

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Out of stock
Valcom

SKU: 00048809

Valcom 00048809 Los Alamos Public Schools System

IP intercom & mass notification for multi-building K-12 districts
Special Order · Usually Ships in 2-3 Weeks

$69,637.99 $66,217.99 Save $3,420.00

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Valcom

SKU: L9972-2

Valcom L9972-2 Universal Paging Interface License

License upgrade for V-9972 paging interface across SIP and analog systems
Special Order · Usually Ships in 2-3 Weeks

$291.99 $277.99 Save $14.00

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Valcom

SKU: S-422A-2

Valcom S-422A-2 2x2 Lay-In Ceiling Speaker

2x2 lay-in ceiling speaker for paging and background music on 25/70V
Special Order · Usually Ships in 2-3 Weeks

$93.99 $88.99 Save $5.00

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Valcom

SKU: S-500

Valcom S-500 8-Inch Ceiling Speaker 25/70V 6-Pack

8-inch ceiling speaker with dual 25/70V transformer for commercial paging
In stock · Usually Ships Same Business Day

$39.99 $37.99 Save $2.00

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Valcom

SKU: S-500VC

Valcom S-500VC 8-Inch Ceiling Speaker

8-inch flush-mount ceiling speaker for voice paging and background music
In stock · Usually Ships Same Business Day

$53.99 $50.99 Save $3.00

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Valcom

SKU: S-504

Valcom S-504 Metal Wall Speaker Assembly

Wall-mounted metal speaker for 25/70V paging and two-way facility communication
In stock · Usually Ships Same Business Day

$76.99 $72.99 Save $4.00

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Valcom

SKU: S-520B-BK

Valcom S-520B-BK Pendant Speaker 25W Multi-Voltage

25W pendant speaker with multi-voltage transformer for mixed infrastructure
Special Order · Usually Ships in 2-3 Weeks

$329.00 $183.99 Save $145.01

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Valcom

SKU: S-520B-W

Valcom S-520B-W Pendant Speaker 25W White

25W pendant speaker with multi-voltage compatibility for ceiling paging
Special Order · Usually Ships in 2-3 Weeks

$192.99 $183.99 Save $9.00

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Valcom

SKU: S-521B

Valcom S-521B 1x2 Lay-In Ceiling Speaker

1x2 lay-in ceiling speaker for 25/70V paging and background music
In stock · Usually Ships Same Business Day

$107.99 $102.99 Save $5.00

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Valcom

SKU: S-522B-2

Valcom S-522B-2 2x2 Lay-In Ceiling Speaker with Volume Control

2x2 lay-in ceiling speaker with integral backbox and volume control
Special Order · Usually Ships in 2-3 Weeks

$324.00 $90.99 Save $233.01

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Valcom

SKU: S-550-5

Valcom S-550-5 Ceiling Speaker Mounting Bridge (5-Pack)

Galvanized mounting bridge for 8-inch ceiling speakers, 5-pack
In stock · Usually Ships Same Business Day

$19.99 $18.99 Save $1.00
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Valcom

SKU: S-551-5

Valcom S-551-5 Ceiling Speaker Backbox Enclosure

Steel backbox enclosure shields ceiling speakers from debris and insulation
Special Order · Usually Ships in 2-3 Weeks

$19.99 $18.99 Save $1.00

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Valcom

SKU: S-560

Valcom S-560 20-Watt Wall Mount Attenuator

Wall-mount 20W attenuator for speaker level control without rewiring
Special Order · Usually Ships in 2-3 Weeks

$45.99 $42.99 Save $3.00

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Valcom

SKU: S-604-25-W

Valcom S-604-25-W PoE++ Compact Horn Speaker

PoE++ compact horn speaker for networked paging without separate amplifier
In stock · Usually Ships Same Business Day

$116.99 $110.99 Save $6.00

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Valcom

SKU: S-604-BGE

Valcom S-604-BGE FlexHorn 4W 70V Wall Speaker

4W compact horn for 70V paging in tight ceiling spaces
Special Order · Usually Ships in 2-3 Weeks

$123.99 $117.99 Save $6.00

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Valcom

SKU: S-615

Valcom S-615 15 Watt Paging Horn

15W metal horn for large commercial & industrial spaces
Special Order · Usually Ships in 2-3 Weeks

$215.99 $204.99 Save $11.00

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Browse by Product Family

Every outdoor deployment starts with form-factor selection. Click through to shop the families that fit your scene.

SIP Video Intercoms

2N and Aiphone IP intercoms with HD video, mobile app answer, and PBX integration.

Video Doorbells & Door Stations

Entry-door video stations with keypads, proximity readers, and access-control integration.

Emergency Blue Light Stations

Code Blue tower and wall-mount emergency phones with one-button call and strobe beacon.

PA Amplifiers & Paging Systems

Networked paging amplifiers, zone controllers, and classroom bell-schedule systems.

IP Speakers & Horns

CyberData and Bosch IP-endpoint speakers for paging, bell schedules, and mass notification.

Analog Intercoms

Aiphone JP and JO series standalone video intercoms for small-site installations.

What to Look For When Buying

The six decisions that matter most before you spec.

SIP vs Standalone Intercoms

Standalone intercoms (Aiphone JP, JO series) use proprietary cabling between substation and master — simple to install, no PBX required, limited to site-local communications. SIP intercoms (2N IP Verso, Aiphone IX) register with a phone system, answer on any SIP handset or mobile app, integrate with enterprise UC platforms. Choose SIP for multi-location or mobile-answer requirements.

Video Quality & Field of View

Intercom cameras are typically 2MP HD with 120-170° FOV — wide enough to see anyone standing at a door, including children and people in wheelchairs. Night-vision IR is standard. Video should integrate with your VMS for event-linked recording — a visitor intercom call becomes a VMS event with recorded video.

Weatherproof Rating

Outdoor door stations need IP54 minimum (dust + splash), IP65 preferred for exposed facades. Code Blue emergency towers are IP66/67 rated for year-round outdoor service. Speaker horns for outdoor paging are IP66. Indoor intercoms (corridor, office) don't need weatherproofing but benefit from IK-rated vandal resistance at public areas.

SIP PBX Integration

SIP intercoms register to a SIP PBX like any other extension — 3CX, RingCentral, Vonage Enterprise, Avaya, Cisco UC. Test interop carefully: not every PBX handles every intercom's RTP options or video-SIP (SDP) correctly. Stick with known-compatible combinations or verify with a short pilot. 2N publishes interop matrices for major PBX platforms.

Mass Notification & Emergency Paging

Modern paging isn't just background music and lunch-bell schedules — it's the emergency notification layer for active-shooter response, severe weather, evacuation. Look for SIP paging, multicast audio, strobes at IP speakers, and integration with access control lockdown triggers. CyberData V3 and Bosch PAVIRO platforms are the common enterprise choices.

ADA & Code Compliance

ADA requires that emergency call stations be accessible to wheelchair users — button height, audible feedback, visual strobe on answer. IBC and IFC require voice-capable emergency communication in certain occupancies. Specify ADA-compliant button mounting heights (48" max) and TTY/visual indicators. Code Blue stations are engineered to ADA and MUTCD spec.

Technology Stack

The specs and acronyms that actually affect outdoor performance.

SIP + RTP Protocol

Session Initiation Protocol (RFC 3261) signals call setup; Real-Time Transport Protocol (RTP) carries the audio and video media streams. SIP intercoms register with a PBX like any handset. G.711, G.722 (HD audio), and G.729 codecs are standard. Video-SIP uses SDP to negotiate H.264 streams.

Aiphone IX + IXG Series

Aiphone IX is SIP-based, integrates with enterprise PBX, supports network-based multi-site communication. IXG is the cloud-managed successor with mobile-app answer and residential/commercial hybrid features. Legacy JP and JO series are standalone (non-SIP).

2N IP Verso + IP Style

2N IP Verso is the modular outdoor door station — configurable with camera, keypad, card reader, fingerprint, display modules. 2N IP Style is the premium touchscreen variant. All integrate with SIP PBX, 2N Mobile Video Turbine for mobile answer, and access control systems.

Code Blue CB Series

CB-1 (one-button emergency), CB-2-MP (dual-button + megaphone), CB-4-B (tower with strobe + security camera). All IP66/IP67 weatherproof, ADA-compliant, with hot-swappable modules for field serviceability. Integrate with Code Blue ToolVox dispatch software or third-party SIP PBX.

Multicast Audio Paging

Instead of calling each speaker individually, a paging amplifier broadcasts audio to a multicast IP group (239.x.x.x) and all subscribed IP speakers play simultaneously. Scales to hundreds of speakers without per-endpoint configuration. Requires IGMP-snooping on managed switches or the broadcast floods the network.

PoE Power for Intercoms

Most SIP intercoms accept 802.3af PoE (15.4W) — sufficient for camera + speaker + keypad. Outdoor door stations with heaters may need PoE+ (802.3at). Emergency blue-light towers with strobe + heater typically require dedicated 24V power or PoE++. Verify per-product spec before pulling cable.

Typical Deployment Scenarios

K-12 Secure Vestibule

Main entry with outdoor video intercom (Aiphone IX-DA or 2N IP Verso) + fail-secure electric strike integrated with office receptionist desk. Lockdown button ties to access control + mass notification + VMS bookmark. Classroom IP speakers for bell schedule + emergency paging.

Office Building Lobby

After-hours video intercom at main entrance calls the security desk or tenant mobile app. Credential + intercom for tenant visitors. Emergency blue-light phones in parking garage and stairwells. Integration with VMS for event-recorded visitor interactions.

University Campus

Code Blue emergency phone towers at 50-100 locations campus-wide, integrated with campus police dispatch. SIP intercoms at residence hall entries, academic building after-hours doors. Multicast IP speaker paging across quads + bell schedule in academic buildings. Mobile-app answer for facilities and campus police.

Warehouse & Manufacturing

PA paging system across production floor for shift announcements and safety alerts. Intercoms at dock doors for truck driver communication. Emergency phones at remote locations (yard, dock, mezzanine). Integration with fire-alarm panel for emergency voice evacuation per NFPA 72.

Top Brands for Outdoor Deployments

Click through to each brand's engineering profile, product range, and NDAA compliance status.

Aiphone

IX series SIP + JO/JP standalone video intercoms, industry leader

Modular IP door stations, IP Verso + IP Style, SIP + mobile app integration

Code Blue

Emergency blue-light phones and towers, ADA-compliant, IP66/67 rated

Bosch Communications

PAVIRO PA/EVAC systems for life-safety voice-alarm integration

Altronix

Power supplies for intercom and paging systems, UL 294 listed

Frequently Asked Questions

What's the difference between a SIP intercom and an analog intercom?

Analog intercoms (Aiphone JP, JO) use proprietary cabling between the door station and master station — simple to install, no PBX required, but limited to site-local use. SIP intercoms (2N IP Verso, Aiphone IX) register to a SIP PBX like any extension, can be answered on any SIP handset or mobile app, and integrate with enterprise unified communications. For multi-site or mobile-answer requirements, specify SIP.

Can an intercom integrate with my access control system?

Yes — modern SIP intercoms with built-in card readers or relay outputs integrate directly with access control. 2N IP Verso accepts HID and Mifare credentials natively; Aiphone IX relays door-release to an electric strike on call-answer. For full integration, specify an access control head-end (Brivo, Openpath, Genetec) that supports intercom event ingestion.

What's required for an emergency blue-light phone deployment?

Code Blue CB series towers or wall stations, a SIP PBX or dedicated ToolVox dispatch software, network connectivity (PoE+ or 24V local power), and a deployment layout that covers high-traffic areas within 150-foot response zones. ADA compliance (button height, visual strobe, TTY support) is required. Integration with surveillance cameras at each station is standard for incident review.

Does an intercom system need to integrate with fire alarm?

For occupancies under NFPA 72 that require voice evacuation (schools, healthcare, high-rise), yes — the PA/paging system must be fire-alarm-listed or interfaced with a fire-alarm control panel. Bosch PAVIRO is the typical enterprise solution for voice-evacuation; standard office PA systems are not fire-listed. Check jurisdiction code with the AHJ before specifying.

Can I answer the intercom on my mobile phone?

Yes — with a SIP intercom + SIP PBX that supports mobile-app endpoints, or with cloud intercom platforms like 2N Mobile Video Turbine, Aiphone IXG, or Butterfly MX. The mobile app rings simultaneously with desk handsets, shows video of the caller, and lets you remotely unlock the door. Enterprise PBXs (RingCentral, 3CX, Avaya Spaces) all support this workflow.

How do IP speakers differ from traditional 70V PA speakers?

Traditional 70V/25V PA speakers daisy-chain on a single amp-driven audio line — simple, cheap, but limited to single-zone audio and one-way only. IP speakers are individually addressable endpoints on the network — supporting per-speaker zoning, multicast paging, two-way audio, visual strobes, and scheduling. CyberData and Bosch IP speakers replace both the amp and the speakers, with PoE powering each endpoint.

Related Categories

Adjacent equipment that typically ships together with outdoor IP cameras.

SIP Intercoms Video Doorbells Emergency Blue Light Stations PA Amplifiers & Systems IP Speakers & Horns Access Control IP Cameras Network Switches PoE Injectors

Engineering Reading

Deep-dives from our engineering team on camera deployment planning.

Fail-Safe vs Fail-Secure Electric Locks School Surveillance Design Guide for K-12 PoE Budget Planning How Many Security Cameras Do I Actually Need?