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):
1Payment:
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
Audio
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
Network
Security
Password protection, IP
address filtering, Digest authentication, User access log, Firewall
Network Protocol
SIP, ONVIF, HTTP, HTTPS, IPv4, TLS, RTSP, RTP, SRTP, RTCP, DHCP, DNS, NTP, TCP, UDP, IGMP, ICMP, ARP, SNMP v1/v2c/v3, Bonjour
Network Interface
10/100 Base-TX, RJ45
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)
Amplifier
Amplifier
15W
General
Material
Metal
Power Supply
PoE (IEEE802.3af/at) or DC 12V
Interface
2 × LAN,
1 × MIC input, 1 × Headset output, 1 × Speaker
output, 2 × IO Alarm input, 2 × Relay
Dimensions
112mm × 105mm × 29mm
Weight
250g
Languages
English, Italian, Russian, Korean, Chinese Simplified & Traditional
Warranty
2 years
Package Includes
SIP Paging Adapter
Quick Start Guide
Customization
Accept OEM, ODM
Product Show
Interface Diagram
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