SIP-T21, 48K OPUS Audio Codec, MIC, headset and speaker interface. Alarm: GPIO, HTTP URL and relay out. Compatible with VoIP SIP devices, ONVIF VMS/NVR.
Item NO.:
SIP-T21Order(MOQ):
10Payment:
T/T,Western Union, PaypalProduct Origin:
ChinaColor:
BlackLead Time：
1 WeekWeight：
250gProduct Description
The Tonmind SIP-T21 is a compact and powerful SIP paging adapter designed for seamless integration with VoIP systems. It supports two-way intercom communication, high-quality 48K OPUS audio codec, and is compatible with SIP and ONVIF protocols. Equipped with a built-in 15W amplifier, it allows direct connection to speakers and microphones. The device supports pre-recorded messages (WAV/MP3), multiple alarm triggers (GPIO, HTTP URL, relay out), and offers flexible power options via PoE or DC 12V/24V. With dual LAN ports and comprehensive I/O interfaces, the SIP-T21 is ideal for upgrading analog paging systems to IP-based networks. It's perfect to be applied in various PA System, for instance, school, retail, commercial centers, etc.
SIP Paging Adapter Feature
● Two-way intercom communication
● Support 48K OPUS Audio Codec
● SIP & ONVIF protocol compatibility
● Pre-recorded message(WAV/MP3）
● Alarm: GPIO, HTTP URL and 2 × Relay out
● MIC, Headset and Speaker Interface
● PoE + LAN interface, Reset Control
Specification
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Audio |
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Decoding |
OPUS 48KHz, MP3 44.1KHz, G.722-ADPCM 16KHz, G.711-PCMU 8KHz, G.711-PCMA 8KHz, G726 8KHz, GSM 8KHz, LPCM-16bit-Stereo/Mono 44.1kHz |
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Network |
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Security |
Password protection, IP address filtering, Digest authentication, User access log, Firewall |
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Network Protocol |
SIP, ONVIF, HTTP, HTTPS, IPv4, TLS, RTSP, RTP, RTCP, DHCP, DNS, NTP, TCP, UDP, IGMP, ICMP, ARP
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Network Interface |
10/100 Base-TX, RJ45 |
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SIP Features |
Supports the SIP protocol for integration with VoIP systems and SIP/PBX platforms
Supports secondary/backend SIP server, IPv4 (IPv6 in development).
Supports codecs: OPUS, G722, G711U, G711A.
SIP DTMF (RFC 2976, RFC 2833/RFC 4733)
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Amplifier |
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| Amplifier | 15W |
| General | |
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Material |
Metal |
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Power Supply |
PoE or DC 12V |
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Interface |
2 × LAN, 1 × MIC input, 1 × Headset output, 1 × Speaker output, 2 × IO Alarm input, 2 × Relay |
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Dimensions |
112mm × 105mm × 29mm |
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Weight |
250g |
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Languages |
English |
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Warranty |
2 years |
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Package Includes |
SIP Paging Adapter Quick Start Guide |
| Customization | Accept OEM, ODM |
Product Show
Interface Diagram
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