
WiFi/SIP Network Desktop Phone, 4G/VoIP Dual-Mode Wireless Phone
JR403-GP fixed telephone is a multi-functional communication terminal, which is a VOIP terminal product with high practicality and manageability for voice communication on IP networks. It can be used in extensions and network IP telephone operating networks within the enterprise and has Internet access User. It can connect to the operator's 4G network, and the communication cost is extremely low with the support of the operator. It can also be used as a communication tool with high cost performance, high stability, and most in line with traditional usage habits in various private networks.
Technical specifications
WiFi/SIP Network Desktop Phone, 4G/VoIP Dual-Mode Wireless Phone
Item | Specificatiom |
LCD size | 2.4 |
LCD Color | Color |
Platform | Spreadtrum 9820e |
Network | 4G All-Netcom(adjusted for different countries and regions) |
Frequency | FDD-LTE: B1/B3/ B7/B20/B28A |
TDD-LTE: B38/B39/B40/B41 | |
WCDMA: B1/B2/B5/B8 | |
GSM: B2/B3/B5/B8 | |
WIFI | Support IEE802.11b/g/n |
Bluttooth | Ble 4.0 |
Battery | 1000mAh |
Antenna | External TNC or Built-in Antenna |
Power Supply | Micro usb 5V input |
Main Function | WIFI Hotspot, VoLTE Voice, MP3 FM Radio, SMS, Make/receive call, |
Hands free,speed dial,call forwarding,weather forecast etc | |
Antenna interface | Integrated/TNC detachable antenna (optional) |
Standby | Standby:120hrs talking time<5hrs |
Power supply | DC 5V/1A |
Battery | 3.7V/1000mAh |
Accessory | Wire coil,handset,power adapter,back-up battery,user manual |
SIP/VOIP | |
SIP Protocol | SIP 2.0 (RFC3261) |
Transmission protocol | UDP/TCP/TLS |
DTMF | In-band, Out-of-band(RFC 2833) and SIP INFO |
Audio coding | G.722/G.729/AMR/AMRWB/GSM/PCMA/PCMU/SPEEX/ILBC/DTMF/ISACWB/OPUS |
Audio function | AEC/VAD/CNG/AGC/ANS |
SRTP | NONE/FORCE/PREFER |
3GPP | TS 24.605 |
Call transfer support | support |
STUN | support |
SIP line | 3 lines |
J&R Technology Limited
J&R Technology Ltd. is a premier designer and manufacturer of
standard and custom telephone solutions. Our products deliver
industry-proven and innovated high quality telephone technology to
a broad range of private, and public businesses, industries, and
applications.
Our products include telephone systems, various telephone terminals
such as industrial telephones, weatherproof heavy-duty telephones,
explosion proof telephones, vandal proof public telephones,
emergency telephones, help points, call stations,s and others like
acoustic telephone hoods, telephone pillars, and telephone
accessories.
As a reliable supplier of industrial telephones, we have been
sharing the equipment and systems with different customers and
users all over the world. Our main market is South America,North
America, Europe, Australia, Southeast Asia, Africa, Mid East, and
other international markets. And we have built good cooperation
with many international renowned corporations, including.
Dedication and profession have been our pursuing goals during any
procedures of our production, not only in developing and quality
controlling but also in marketing and after sales. We serve any
single potential customer with the most suitable solutions and
systems.